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https://github.com/rust-lang/rust-analyzer
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26074 commits
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bors
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8151203227 |
Auto merge of #112917 - chenyukang:yukang-fix-112590, r=estebank
Suggest importing for partial mod path matching in name resolving Fixes #112590 |
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bors
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2b6a132087 |
Auto merge of #108537 - GuillaumeGomez:rustdoc-search-whitespace-as-separator, r=notriddle
rustdoc: Allow whitespace as path separator like double colon Fixes https://github.com/rust-lang/rust/issues/108447. I think it makes sense since it allows more common cases, however it also makes the syntax heavier. Not sure what the rest of the team thinks about it. In any case we'll need to go through FCP. Full explanation for the changes is available [here](https://github.com/rust-lang/rust/pull/108537#issuecomment-1589480564). r? `@notriddle` |
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bors
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fab41c61b6 |
Auto merge of #113040 - Kobzol:llvm-remark-streamer, r=tmiasko
Add `-Zremark-dir` unstable flag to write LLVM optimization remarks to YAML This PR adds an option for `rustc` to emit LLVM optimization remarks to a set of YAML files, which can then be digested by existing tools, like https://github.com/OfekShilon/optview2. When `-Cremark-dir` is passed, and remarks are enabled (`-Cremark=all`), the remarks will be now written to the specified directory, **instead** of being printed to standard error output. The files are named based on the CGU from which they are being generated. Currently, the remarks are written using the LLVM streaming machinery, directly in the diagnostics handler. It seemed easier than going back to Rust and then form there back to C++ to use the streamer from the diagnostics handler. But there are many ways to implement this, of course, so I'm open to suggestions :) I included some comments with questions into the code. Also, I'm not sure how to test this. r? `@tmiasko` |
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bors
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d32775d39f |
Auto merge of #112718 - oli-obk:SIMD-destructure_mir_const, r=cjgillot
Make simd_shuffle_indices use valtrees This removes the second-to-last user of the `destructure_mir_constant` query. So in a follow-up we can remove the query and just move the query provider function directly into pretty printing (which is the last user). cc `@rust-lang/clippy` there's a small functional change, but I think it is correct? |
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bors
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27597022f8 |
Auto merge of #112550 - loongarch-rs:fix-eflags, r=cjgillot
loongarch: Fix ELF header flags This patch changes the ELF header flags so that the ABI matches the floating-point features. It also updates the link to the new official documentation. |
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bors
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f697b36a7e |
Auto merge of #111992 - ferrocene:pa-panic-abort-tests-bench, r=m-ou-se
Test benchmarks with `-Z panic-abort-tests` During test execution, when a `#[bench]` benchmark is encountered it's executed once to check whether it works. Unfortunately that was not compatible with `-Z panic-abort-tests`: the feature works by spawning a subprocess for each test, which prevents the use of dynamic tests as we cannot pass closures to child processes, and before this PR the conversion from benchmark to test was done by turning benchmarks into dynamic tests whose closures execute the benchmark once. The approach this PR took was to add two new kinds of `TestFn`s: `StaticBenchAsTestFn` and `DynBenchAsTestFn` (⚠️ **this is a breaking change** ⚠️). With that change, a `StaticBenchFn` can be converted into a `StaticBenchAsTestFn` without creating dynamic tests, and making it possible to test `#[bench]` functions with `-Z panic-abort-tests`. The subprocess test runner also had to be updated to perform the conversion from benchmark to test when appropriate. Along with the bug fix, in the first commit I refactored how tests are executed: rather than executing the test function in multiple places across `libtest`, there is now a private `TestFn::into_runnable()` method, which returns either a `RunnableTest` or `RunnableBench`, on which you can call the `run()` method. This simplified the rest of the changes in the PR. This PR is best reviewed commit-by-commit. Fixes https://github.com/rust-lang/rust/issues/73509 |
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bors
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6970494361 |
Auto merge of #113154 - lcnr:better-probe-check, r=compiler-errors
change snapshot tracking in fulfillment contexts use the exact snapshot number to prevent misuse even when created inside of a snapshot |
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bors
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0ab008bf1e |
Auto merge of #109524 - bzEq:aix-embed-llvmbc, r=nagisa
Support embedding LLVM bitcode on AIX |
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bors
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78621cc50b |
Auto merge of #106619 - agausmann:avr-object-file, r=nagisa
Fix unset e_flags in ELF files generated for AVR targets Closes #106576 ~~Sort-of blocked by gimli-rs/object#500~~ (merged) I'm not sure whether the list of AVR CPU names is okay here. Maybe it could be moved out-of-line to improve the readability of the function. |
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bors
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3e579460df |
Auto merge of #113116 - nnethercote:codegen-opts, r=oli-obk
A mish-mash of micro-optimizations These were aimed at speeding up LLVM codegen, but ended up affecting other places as well. r? `@bjorn3` |
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bors
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263a2b8198 |
Auto merge of #113059 - Kobzol:ci-concurrency-fix, r=pietroalbini
CI: do not cancel concurrent builds on the same branch Do not cancel concurrent builds on the same branch (outside of PRs). Instead, only cancel them if the builds have the same commit SHA. From the [documentation](https://docs.github.com/en/actions/learn-github-actions/contexts#github-context): > The commit SHA that triggered the workflow. The value of this commit SHA depends on the event that triggered the workflow. For more information, see "[Events that trigger workflows](https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows)." For example, ffac537e6cbbf934b08745a378932722df287a53. Fixes: https://github.com/rust-lang/rust/pull/112955#discussion_r1242273658 r? `@pietroalbini` |
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bors
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007b3fe936 |
Auto merge of #113108 - compiler-errors:normalize-opaques-with-late-bound-vars-again, r=jackh726
Normalize opaques with late-bound vars again We have a hack in the compiler where if an opaque has escaping late-bound vars, we skip revealing it even though we *could* reveal it from a technical perspective. First of all, this is weird, since we really should be revealing all opaques in `Reveal::All` mode. Second of all, it causes subtle bugs (linked below). I attempted to fix this in #100980, which was unfortunately reverted due to perf regressions on codebases that used really deeply nested futures in some interesting ways. The worst of which was #103423, which caused the project to hang on build. Another one was #104842, which was just a slow-down, but not a hang. I took some time afterwards to investigate how to rework `normalize_erasing_regions` to take advantage of better caching, but that effort kinda fizzled out (#104133). However, recently, I was made aware of more bugs whose root cause is not revealing opaques during codegen. That made me want to fix this again -- in the process, interestingly, I took the the minimized example from https://github.com/rust-lang/rust/issues/103423#issuecomment-1292947043, and it doesn't seem to hang any more... Thinking about this harder, there have been some changes to the way we lower and typecheck async futures that may have reduced the pathologically large number of outlives obligations (see description of #103423) that we were encountering when normalizing opaques with bound vars the last time around: * #104321 (lower `async { .. }` directly as a generator that implements `Future`, removing the `from_generator` shim) * #104833 (removing an `identity_future` fn that was wrapping desugared future generators) ... so given that I can see: * No significant regression on rust perf bot (https://github.com/rust-lang/rust/pull/107620#issuecomment-1600070317) * No timeouts in crater run I did (https://github.com/rust-lang/rust/pull/107620#issuecomment-1605428952, rechecked failing crates in https://github.com/rust-lang/rust/pull/107620#issuecomment-1605973434) ... and given that this PR: * Fixes #104601 * Fixes #107557 * Fixes #109464 * Allows us to remove a `DefiningAnchor::Bubble` from codegen (75a8f681837c70051e0200a14f58ae07dbe58e66) I'm inclined to give this another shot at landing this. Best case, it just works -- worst case, we get more examples to study how we need to improve the compiler to make this work. r? types |
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bors
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670a4b5292 |
Auto merge of #112629 - compiler-errors:atb-imply, r=jackh726
Make associated type bounds in supertrait position implied `trait A: B<Assoc: C> {}` should be able to imply both `Self: B` and `<Self as B>::Assoc: C`. Adjust the way that we collect implied predicates to do so. Fixes #112573 Fixes #112568 |
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bors
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80ef3b4684 |
Auto merge of #98867 - cjgillot:metaloop, r=oli-obk
Refactor metadata emission to avoid visiting HIR This PR refactors metadata emission to be based on tables and iteration over definitions. In a first part, this PR moves information from the `EntryKind` enum to tables, until removing the `EntryKind` enum. In a second part, the iteration scheme is refactored to avoid fetching HIR unless strictly necessary. r? `@ghost` |
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bors
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12950e23f9 |
Auto merge of #113120 - Dylan-DPC:rollup-cz4qr3o, r=Dylan-DPC
Rollup of 6 pull requests Successful merges: - #111571 (Implement proposed API for `proc_macro_span`) - #112236 (Simplify computation of killed borrows) - #112867 (More `ImplSource` nits) - #113019 (add note for non-exhaustive matches with guards) - #113094 (Fix invalid HTML DIV tag used in HEAD) - #113111 (add myself to review for t-types stuff) r? `@ghost` `@rustbot` modify labels: rollup |
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Dylan DPC
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d68e1b0043
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Rollup merge of #113111 - BoxyUwU:boxy_t_types_review, r=compiler-errors
add myself to review for t-types stuff
I think this is how the triagebot stuff works 😅 should mean that `r? types` can now assign me
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Dylan DPC
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67d2eef809
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Rollup merge of #113094 - GuillaumeGomez:fix-invalid-div-tag-in-head, r=notriddle,fmease
Fix invalid HTML DIV tag used in HEAD Fixes https://github.com/rust-lang/rust/issues/113067. The issue also nicely explains the whole problem. r? ``@notriddle`` |
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Dylan DPC
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537e170e79
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Rollup merge of #113019 - ericmarkmartin:warning-for-guard-non-exhaustion, r=fee1-dead
add note for non-exhaustive matches with guards Associated issue: #92197 When a match statement includes guards on every match arm (and is therefore necessarily non-exhaustive), add a note to the error E0004 diagnostic noting this. |
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Dylan DPC
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28f81602ef
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Rollup merge of #112867 - compiler-errors:more-impl-source-nits, r=lcnr
More `ImplSource` nits Even more clean-ups, I'll put this up in parallel with the `select_in_new_trait_solver` PR. r? ``@lcnr`` |
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Dylan DPC
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ddbc34ea3c
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Rollup merge of #112236 - cjgillot:interval-kill, r=davidtwco
Simplify computation of killed borrows Follow-up to https://github.com/rust-lang/rust/pull/111759 Processing the first block manually once makes the pre-order walk simpler. |
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Dylan DPC
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c770e4154d
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Rollup merge of #111571 - jhpratt:proc-macro-span, r=m-ou-se
Implement proposed API for `proc_macro_span` As proposed in [#54725 (comment)](https://github.com/rust-lang/rust/issues/54725#issuecomment-1546918161). I have omitted the byte-level API as it's already available as [`Span::byte_range`](https://doc.rust-lang.org/nightly/proc_macro/struct.Span.html#method.byte_range). `@rustbot` label +A-proc-macros r? `@m-ou-se` |
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bors
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a229eebe13 |
Auto merge of #111269 - clubby789:validate-fluent-variables, r=davidtwco
Validate fluent variable references in tests Closes #101109 Under `cfg(test)`, the `fluent_messages` macro will emit a list of variables referenced by each message and its attributes. The derive attribute will now emit a `#[test]` that checks that each referenced variable exists in the structure it's applied to. |
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bors
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647b9b2cca |
Auto merge of #112307 - lcnr:operand-ref, r=compiler-errors
mir opt + codegen: handle subtyping fixes #107205 the same issue was caused in multiple places: - mir opts: both copy and destination propagation - codegen: assigning operands to locals (which also propagates values) I changed codegen to always update the type in the operands used for locals which should guard against any new occurrences of this bug going forward. I don't know how to make mir optimizations more resilient here. Hopefully the added tests will be enough to detect any trivially wrong optimizations going forward. |
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bors
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6658d8ae9f |
Auto merge of #112516 - erikdesjardins:loop, r=davidtwco
cg_llvm: use index-based loop in write_operand_repeatedly This should be easier for LLVM to analyze. Fixes #111603 This needs a perf run. [cc](https://github.com/rust-lang/rust/issues/111603#issuecomment-1567531178) `@caojoshua` |
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bors
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b85fe2b997 |
Auto merge of #112693 - ericmarkmartin:use-more-placeref, r=spastorino
Use PlaceRef abstractions more often Associated issue: https://github.com/rust-lang/rust/issues/80647 r? `@spastorino` |
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Mara Bos
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36bbc38edd | Remove outdated import in r-a proc macro server. | ||
bors
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e1492b1230 |
Auto merge of #106450 - albertlarsan68:fix-arc-ptr-eq, r=Amanieu
Make `{Arc,Rc,Weak}::ptr_eq` ignore pointer metadata FCP completed in https://github.com/rust-lang/rust/issues/103763#issuecomment-1362267967 Closes #103763 |
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David Tolnay
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9e9ba7ae31
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Delete use of proc_macro_span_shrink from proc-macro2 | ||
Jacob Pratt
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b2731a5328
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Add Span::{line, column}
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Jacob Pratt
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b01809ea11
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Span::{before, after} → Span::{start, end}
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Jacob Pratt
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a3aa5e0b6b
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Remove LineColumn , Span::start , Span::end
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bors
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b4c7f2f5df |
Auto merge of #112320 - compiler-errors:do-not-impl-via-obj, r=lcnr
Add `implement_via_object` to `rustc_deny_explicit_impl` to control object candidate assembly
Some built-in traits are special, since they are used to prove facts about the program that are important for later phases of compilation such as codegen and CTFE. For example, the `Unsize` trait is used to assert to the compiler that we are able to unsize a type into another type. It doesn't have any methods because it doesn't actually *instruct* the compiler how to do this unsizing, but this is later used (alongside an exhaustive match of combinations of unsizeable types) during codegen to generate unsize coercion code.
Due to this, these built-in traits are incompatible with the type erasure provided by object types. For example, the existence of `dyn Unsize<T>` does not mean that the compiler is able to unsize `Box<dyn Unsize<T>>` into `Box<T>`, since `Unsize` is a *witness* to the fact that a type can be unsized, and it doesn't actually encode that unsizing operation in its vtable as mentioned above.
The old trait solver gets around this fact by having complex control flow that never considers object bounds for certain built-in traits:
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bors
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a6bdc607bc |
Auto merge of #112238 - scottmcm:mir-add-unchecked, r=cjgillot
Promote unchecked integer math to MIR `BinOp`s So slice indexing by a range gets down to one basic block, for example. r? cjgillot |
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bors
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5772cb013f |
Auto merge of #112366 - lukas-code:test, r=Nilstrieb
`#[test]` function signature verification improvements This PR contains two improvements to the expansion of the `#[test]` macro. The first one fixes https://github.com/rust-lang/rust/issues/112360 by correctly recovering item statements if the signature verification fails. The second one forbids non-lifetime generics on `#[test]` functions. These were previously allowed if the function returned `()`, but always caused an inference error: before: ```text error[E0282]: type annotations needed --> src/lib.rs:2:1 | 1 | #[test] | ------- in this procedural macro expansion 2 | fn foo<T>() {} | ^^^^^^^^^^^^^^ cannot infer type ``` after: ```text error: functions used as tests can not have any non-lifetime generic parameters --> src/lib.rs:2:1 | 2 | fn foo<T>() {} | ^^^^^^^^^^^^^^ ``` Also includes some basic tests for test function signature verification, because I couldn't find any (???) in the test suite. |
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bors
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a6827c9ad0 |
Auto merge of #112351 - BoxyUwU:proof_tree_generation, r=lcnr
new solver proof tree generation Adds a new `-Z` flag `-Zdump-solver-proof-tree` which causes us to generate proof trees for each call to `infcx.evaluate_root_goal`. Currently these just get `debug!`'d out rather than put in a file. Callers of `infcx.evaluate_root_goal` get the proof tree returned to them and can force one to be generated by passing in `GenerateProofTree::Yes`. Currently we do not disable the global cache or do anything about the provisional cache when generating proof trees is enabled, this is optimal for debugging but not so much for diagnostics. Personally I think the exact formatting of proof trees here is not ideal but it's easy to change after this PR lands and would like to avoid bikeshedding the exact way we output this before we even have any of the logic merged to get all the information out of the solver. This PR is best reviewed with whitespace changes hidden, there is also probably no point going commit by commit r? `@lcnr` Below is the proof tree output for the `AliasRelate(TAIT, sub, Alias)` case in rust-lang/trait-system-refactor-initiative#25 from the following command: ``RUSTC_LOG="rustc_trait_selection::solve::inspect::dump=debug" RUSTFLAGS="-Ztrait-solver=next -Zverbose -Zdump-solver-proof-tree" cargo +stage1 check`` <details><summary><strong>Proof tree</strong></summary> <p> ``` DEBUG rustc_trait_selection::solve::inspect::dump tree=GOAL: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), [])), Subtype, Term::Ty(<?8t as std::iter::IntoIterator>::IntoIter)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), [])), Subtype, Term::Ty(<^1_0 as std::iter::IntoIterator>::IntoIter)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), [])), Subtype, Term::Ty(<?0t as std::iter::IntoIterator>::IntoIter)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [] }, PrivateZst)) } CANDIDATE normalizes-to: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(<^1_0 as std::iter::IntoIterator>::IntoIter)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(<?0t as std::iter::IntoIterator>::IntoIter)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::IntoIter as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<^1_0 as std::iter::IntoIterator>::IntoIter as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::IntoIter as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } NORMALIZING SELF TY FOR ASSEMBLY: TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE constituent tys: Err(NoSolution) CANDIDATE assumption: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::IntoIter as std::iter::Iterator>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<^1_0 as std::iter::IntoIterator>::IntoIter as std::iter::Iterator>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::IntoIter as std::iter::Iterator>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } NORMALIZING SELF TY FOR ASSEMBLY: TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE assumption: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<?0t as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<^1_0 as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<?0t as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 NORMALIZES-TO HACK GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<?0t as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<^1_0 as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, <^0 as std::iter::IntoIterator>::Item] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<?0t as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } NORMALIZING SELF TY FOR ASSEMBLY: TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?2t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?2t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE assumption: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, <^0 as std::iter::IntoIterator>::Item] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, <^0 as std::iter::IntoIterator>::Item] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), [])), Equate, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), [])), Equate, Term::Ty(<^1_0 as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), [])), Equate, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } CANDIDATE normalizes-to: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<^1_0 as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::Item as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<^1_0 as std::iter::IntoIterator>::Item as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::Item as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::Item)] }, PrivateZst)) } NORMALIZING SELF TY FOR ASSEMBLY: TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::Item)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE constituent tys: Err(NoSolution) CANDIDATE assumption: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::Item as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<^1_0 as std::iter::IntoIterator>::Item as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) REVISION 1 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<^1_0 as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE normalizes-to: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 NORMALIZES-TO HACK GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE substs relate: Err(NoSolution) CANDIDATE bidir normalizes-to: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<^1_0 as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::Item)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 NORMALIZES-TO HACK GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) REVISION 1 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}) }, Term::Ty(<^1_0 as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7203 ~ core[b962]::iter::traits::collect::IntoIterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) REVISION 1 NORMALIZES-TO HACK GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<?0t as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(?2t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<^1_0 as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, <^0 as std::iter::IntoIterator>::Item] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<?0t as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::Item)] }, PrivateZst)) } NORMALIZING SELF TY FOR ASSEMBLY: TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?2t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::Item)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?2t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE assumption: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, <^0 as std::iter::IntoIterator>::Item] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, <^0 as std::iter::IntoIterator>::Item] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), [])), Equate, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), [])), Equate, Term::Ty(<^1_0 as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), [])), Equate, Term::Ty(<?0t as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(AliasRelate(Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), [])), Equate, Term::Ty(<^1_0 as std::iter::IntoIterator>::Item)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) REVISION 1 GOAL: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::IntoIter as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<^1_0 as std::iter::IntoIterator>::IntoIter as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::IntoIter as std::marker::Sized>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::Item)] }, PrivateZst)) } NORMALIZING SELF TY FOR ASSEMBLY: TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE constituent tys: Err(NoSolution) CANDIDATE assumption: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::IntoIter as std::iter::Iterator>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<^1_0 as std::iter::IntoIterator>::IntoIter as std::iter::Iterator>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(TraitPredicate(<<?0t as std::iter::IntoIterator>::IntoIter as std::iter::Iterator>, polarity:Positive), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::Item)] }, PrivateZst)) } NORMALIZING SELF TY FOR ASSEMBLY: TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE assumption: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Yes) REVISION 0 RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<?0t as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [<^1_0 as std::iter::IntoIterator>::IntoIter], def_id: DefId(2:7319 ~ core[b962]::iter::traits::iterator::Iterator::Item) }, Term::Ty(Opaque(DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) REVISION 1 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(<^1_0 as std::iter::IntoIterator>::IntoIter)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE normalizes-to: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(Opaque(DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(Opaque(DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 NORMALIZES-TO HACK GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) CANDIDATE substs relate: Err(NoSolution) CANDIDATE bidir normalizes-to: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(<^1_0 as std::iter::IntoIterator>::IntoIter)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?2t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(Opaque(DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } REVISION 0: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) INSTANTIATED: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(Opaque(DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <?0t as std::iter::IntoIterator>::Item)] }, PrivateZst)) } TRY_EVALUATE_ADDED_GOALS: Ok(Maybe(Ambiguity)) REVISION 0 NORMALIZES-TO HACK GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(^1_1)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0, ^1] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }, CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) REVISION 1 GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(?1t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [], def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}) }, Term::Ty(<^1_0 as std::iter::IntoIterator>::IntoIter)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) GOAL: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [?0t], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(?2t)), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } } CANONICALIZED: Canonical { value: QueryInput { goal: Goal { predicate: Binder(ProjectionPredicate(AliasTy { substs: [^1_0], def_id: DefId(2:7204 ~ core[b962]::iter::traits::collect::IntoIterator::IntoIter) }, Term::Ty(Opaque(DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), []))), []), param_env: ParamEnv { caller_bounds: [], reveal: UserFacing, constness: NotConst } }, anchor: Bind(DefId(0:6 ~ playground_proof_tree[b494]::a)), predefined_opaques_in_body: PredefinedOpaques(Interned(PredefinedOpaquesData { opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] } GLOBAL CACHE HIT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) RESULT: Ok(Canonical { value: Response { certainty: Maybe(Ambiguity), var_values: CanonicalVarValues { var_values: [^0] }, external_constraints: ExternalConstraints(Interned(ExternalConstraintsData { region_constraints: QueryRegionConstraints { outlives: [], member_constraints: [] }, opaque_types: [(OpaqueTypeKey { def_id: DefId(0:8 ~ playground_proof_tree[b494]::Tait::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::IntoIter), (OpaqueTypeKey { def_id: DefId(0:9 ~ playground_proof_tree[b494]::Tait::{opaque#0}::{opaque#0}), substs: [] }, <^0 as std::iter::IntoIterator>::Item)] }, PrivateZst)) }, max_universe: U0, variables: [CanonicalVarInfo { kind: Ty(General(U0)) }] }) ``` </p> </details> |
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bors
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2713a1be1c |
Auto merge of #112784 - lnicola:sync-from-ra, r=lnicola
⬆️ rust-analyzer
r? `@ghost`
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Laurențiu Nicola
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004bdf9494 | Merge commit 'cd3bf9fe51676b520c546460e6d8919b8c8ff99f' into sync-from-ra | ||
bors
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cd3bf9fe51 |
Auto merge of #15076 - Veykril:bindings, r=Veykril
internal: Shrink size of hir::Binding |
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Lukas Wirth
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c3186202a2 | Shrink size of hir::Binding | ||
bors
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5dccf3010b |
Auto merge of #15075 - Veykril:bindings, r=Veykril
fix: Add binding definition for for-expr iterator desugared binding |
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Lukas Wirth
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83d7724629 | fix: Add binding definition for for-expr iterator desugared binding | ||
bors
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a1b536ec6f |
Auto merge of #15054 - ponyii:fix/implement-missing-members-do-not-transform-const-params, r=lowr
fix: implement missing members doesn't transform const params and default types Fixes https://github.com/rust-lang/rust-analyzer/issues/13363 |
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bors
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fcfc6afe05 |
Auto merge of #15069 - Veykril:analysis-stat-stuff, r=Veykril
analysis-stats: Add body lowering step, track time of each step separtely |
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Lukas Wirth
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b5e0452c71 | Lazy progress reporting | ||
Lukas Wirth
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64a8887a94 | Add body lowering step, track time of each step separtely | ||
bors
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fdba1b6a5c |
Auto merge of #15066 - Veykril:analysis-stats, r=Veykril
internal: Analyze all bodies in analysis-stats, not just functions |
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bors
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a5a71c75e6 |
Auto merge of #15067 - Veykril:loop-turn-msgh, r=Veykril
internal: Add more context to overly long loop turn message |
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Lukas Wirth
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bd762e62df | internal: Add more context to overly long loop turn message | ||
Lukas Wirth
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76acf3b992 | internal: Analyze all bodies in analysis-stats, not just functions | ||
bors
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4143890316 |
Auto merge of #15065 - Veykril:remove-alloc, r=Veykril
internal: Do not allocate unnecessarily when importing macros from parent modules |