diff --git a/Cargo.lock b/Cargo.lock
index 88fb66a56d..16fbe75020 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -123,7 +123,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "chalk-derive"
 version = "0.1.0"
-source = "git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d#102eba3659fc26a2451ed845f9ca4ceb8f79c22d"
+source = "git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478#a88cad7f0a69e05ba8f40b74c58a1c229c1b2478"
 dependencies = [
  "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -133,9 +133,9 @@ dependencies = [
 [[package]]
 name = "chalk-engine"
 version = "0.9.0"
-source = "git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d#102eba3659fc26a2451ed845f9ca4ceb8f79c22d"
+source = "git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478#a88cad7f0a69e05ba8f40b74c58a1c229c1b2478"
 dependencies = [
- "chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
+ "chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
  "rustc-hash 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "stacker 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -143,18 +143,18 @@ dependencies = [
 [[package]]
 name = "chalk-ir"
 version = "0.1.0"
-source = "git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d#102eba3659fc26a2451ed845f9ca4ceb8f79c22d"
+source = "git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478#a88cad7f0a69e05ba8f40b74c58a1c229c1b2478"
 dependencies = [
- "chalk-derive 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-engine 0.9.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
+ "chalk-derive 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-engine 0.9.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
  "lalrpop-intern 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "chalk-macros"
 version = "0.1.1"
-source = "git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d#102eba3659fc26a2451ed845f9ca4ceb8f79c22d"
+source = "git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478#a88cad7f0a69e05ba8f40b74c58a1c229c1b2478"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -162,23 +162,24 @@ dependencies = [
 [[package]]
 name = "chalk-rust-ir"
 version = "0.1.0"
-source = "git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d#102eba3659fc26a2451ed845f9ca4ceb8f79c22d"
+source = "git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478#a88cad7f0a69e05ba8f40b74c58a1c229c1b2478"
 dependencies = [
- "chalk-derive 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-engine 0.9.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
+ "chalk-derive 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-engine 0.9.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
 ]
 
 [[package]]
 name = "chalk-solve"
 version = "0.1.0"
-source = "git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d#102eba3659fc26a2451ed845f9ca4ceb8f79c22d"
+source = "git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478#a88cad7f0a69e05ba8f40b74c58a1c229c1b2478"
 dependencies = [
- "chalk-engine 0.9.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-rust-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
+ "chalk-derive 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-engine 0.9.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-rust-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
  "ena 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1016,9 +1017,9 @@ name = "ra_hir"
 version = "0.1.0"
 dependencies = [
  "arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "chalk-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-rust-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
- "chalk-solve 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)",
+ "chalk-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-rust-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
+ "chalk-solve 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)",
  "ena 0.13.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "insta 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lalrpop-intern 0.15.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1873,12 +1874,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum cargo_metadata 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8d2d1617e838936c0d2323a65cc151e03ae19a7678dd24f72bccf27119b90a5d"
 "checksum cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)" = "aa87058dce70a3ff5621797f1506cb837edd02ac4c0ae642b4542dce802908b8"
 "checksum cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "4785bdd1c96b2a846b2bd7cc02e86b6b3dbf14e7e53446c4f54c92a361040822"
-"checksum chalk-derive 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)" = "<none>"
-"checksum chalk-engine 0.9.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)" = "<none>"
-"checksum chalk-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)" = "<none>"
-"checksum chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)" = "<none>"
-"checksum chalk-rust-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)" = "<none>"
-"checksum chalk-solve 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=102eba3659fc26a2451ed845f9ca4ceb8f79c22d)" = "<none>"
+"checksum chalk-derive 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)" = "<none>"
+"checksum chalk-engine 0.9.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)" = "<none>"
+"checksum chalk-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)" = "<none>"
+"checksum chalk-macros 0.1.1 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)" = "<none>"
+"checksum chalk-rust-ir 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)" = "<none>"
+"checksum chalk-solve 0.1.0 (git+https://github.com/rust-lang/chalk.git?rev=a88cad7f0a69e05ba8f40b74c58a1c229c1b2478)" = "<none>"
 "checksum chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e8493056968583b0193c1bb04d6f7684586f3726992d6c573261941a895dbd68"
 "checksum clicolors-control 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90082ee5dcdd64dc4e9e0d37fbf3ee325419e39c0092191e0393df65518f741e"
 "checksum cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
diff --git a/crates/ra_hir/Cargo.toml b/crates/ra_hir/Cargo.toml
index 57b7da1a89..20f6e3649b 100644
--- a/crates/ra_hir/Cargo.toml
+++ b/crates/ra_hir/Cargo.toml
@@ -23,9 +23,9 @@ hir_def = { path = "../ra_hir_def", package = "ra_hir_def" }
 test_utils = { path = "../test_utils" }
 ra_prof = { path = "../ra_prof" }
 
-chalk-solve = { git = "https://github.com/rust-lang/chalk.git", rev = "102eba3659fc26a2451ed845f9ca4ceb8f79c22d" }
-chalk-rust-ir = { git = "https://github.com/rust-lang/chalk.git", rev = "102eba3659fc26a2451ed845f9ca4ceb8f79c22d" }
-chalk-ir = { git = "https://github.com/rust-lang/chalk.git", rev = "102eba3659fc26a2451ed845f9ca4ceb8f79c22d" }
+chalk-solve = { git = "https://github.com/rust-lang/chalk.git", rev = "a88cad7f0a69e05ba8f40b74c58a1c229c1b2478" }
+chalk-rust-ir = { git = "https://github.com/rust-lang/chalk.git", rev = "a88cad7f0a69e05ba8f40b74c58a1c229c1b2478" }
+chalk-ir = { git = "https://github.com/rust-lang/chalk.git", rev = "a88cad7f0a69e05ba8f40b74c58a1c229c1b2478" }
 lalrpop-intern = "0.15.1"
 
 [dev-dependencies]
diff --git a/crates/ra_hir/src/db.rs b/crates/ra_hir/src/db.rs
index d9fad0ae2b..d75d71d665 100644
--- a/crates/ra_hir/src/db.rs
+++ b/crates/ra_hir/src/db.rs
@@ -125,31 +125,38 @@ pub trait HirDatabase: DefDatabase + AstDatabase {
     fn intern_assoc_ty_value(&self, assoc_ty_value: AssocTyValue) -> ids::AssocTyValueId;
 
     #[salsa::invoke(crate::ty::traits::chalk::associated_ty_data_query)]
-    fn associated_ty_data(&self, id: chalk_ir::TypeId) -> Arc<chalk_rust_ir::AssociatedTyDatum>;
+    fn associated_ty_data(
+        &self,
+        id: chalk_ir::TypeId,
+    ) -> Arc<chalk_rust_ir::AssociatedTyDatum<chalk_ir::family::ChalkIr>>;
 
     #[salsa::invoke(crate::ty::traits::chalk::trait_datum_query)]
     fn trait_datum(
         &self,
         krate: Crate,
         trait_id: chalk_ir::TraitId,
-    ) -> Arc<chalk_rust_ir::TraitDatum>;
+    ) -> Arc<chalk_rust_ir::TraitDatum<chalk_ir::family::ChalkIr>>;
 
     #[salsa::invoke(crate::ty::traits::chalk::struct_datum_query)]
     fn struct_datum(
         &self,
         krate: Crate,
         struct_id: chalk_ir::StructId,
-    ) -> Arc<chalk_rust_ir::StructDatum>;
+    ) -> Arc<chalk_rust_ir::StructDatum<chalk_ir::family::ChalkIr>>;
 
     #[salsa::invoke(crate::ty::traits::chalk::impl_datum_query)]
-    fn impl_datum(&self, krate: Crate, impl_id: chalk_ir::ImplId) -> Arc<chalk_rust_ir::ImplDatum>;
+    fn impl_datum(
+        &self,
+        krate: Crate,
+        impl_id: chalk_ir::ImplId,
+    ) -> Arc<chalk_rust_ir::ImplDatum<chalk_ir::family::ChalkIr>>;
 
     #[salsa::invoke(crate::ty::traits::chalk::associated_ty_value_query)]
     fn associated_ty_value(
         &self,
         krate: Crate,
         id: chalk_rust_ir::AssociatedTyValueId,
-    ) -> Arc<chalk_rust_ir::AssociatedTyValue>;
+    ) -> Arc<chalk_rust_ir::AssociatedTyValue<chalk_ir::family::ChalkIr>>;
 
     #[salsa::invoke(crate::ty::traits::trait_solve_query)]
     fn trait_solve(
diff --git a/crates/ra_hir/src/ty/traits.rs b/crates/ra_hir/src/ty/traits.rs
index 99dbab99ea..45f7254380 100644
--- a/crates/ra_hir/src/ty/traits.rs
+++ b/crates/ra_hir/src/ty/traits.rs
@@ -17,7 +17,7 @@ pub(crate) mod chalk;
 #[derive(Debug, Clone)]
 pub struct TraitSolver {
     krate: Crate,
-    inner: Arc<Mutex<chalk_solve::Solver>>,
+    inner: Arc<Mutex<chalk_solve::Solver<ChalkIr>>>,
 }
 
 /// We need eq for salsa
@@ -34,7 +34,7 @@ impl TraitSolver {
         &self,
         db: &impl HirDatabase,
         goal: &chalk_ir::UCanonical<chalk_ir::InEnvironment<chalk_ir::Goal<ChalkIr>>>,
-    ) -> Option<chalk_solve::Solution> {
+    ) -> Option<chalk_solve::Solution<ChalkIr>> {
         let context = ChalkContext { db, krate: self.krate };
         debug!("solve goal: {:?}", goal);
         let mut solver = match self.inner.lock() {
@@ -196,7 +196,10 @@ pub(crate) fn trait_solve_query(
     solution.map(|solution| solution_from_chalk(db, solution))
 }
 
-fn solution_from_chalk(db: &impl HirDatabase, solution: chalk_solve::Solution) -> Solution {
+fn solution_from_chalk(
+    db: &impl HirDatabase,
+    solution: chalk_solve::Solution<ChalkIr>,
+) -> Solution {
     let convert_subst = |subst: chalk_ir::Canonical<chalk_ir::Substitution<ChalkIr>>| {
         let value = subst
             .value
diff --git a/crates/ra_hir/src/ty/traits/chalk.rs b/crates/ra_hir/src/ty/traits/chalk.rs
index 81a378bac7..9bf93981a0 100644
--- a/crates/ra_hir/src/ty/traits/chalk.rs
+++ b/crates/ra_hir/src/ty/traits/chalk.rs
@@ -418,20 +418,20 @@ fn convert_where_clauses(
     result
 }
 
-impl<'a, DB> chalk_solve::RustIrDatabase for ChalkContext<'a, DB>
+impl<'a, DB> chalk_solve::RustIrDatabase<ChalkIr> for ChalkContext<'a, DB>
 where
     DB: HirDatabase,
 {
-    fn associated_ty_data(&self, id: TypeId) -> Arc<AssociatedTyDatum> {
+    fn associated_ty_data(&self, id: TypeId) -> Arc<AssociatedTyDatum<ChalkIr>> {
         self.db.associated_ty_data(id)
     }
-    fn trait_datum(&self, trait_id: chalk_ir::TraitId) -> Arc<TraitDatum> {
+    fn trait_datum(&self, trait_id: chalk_ir::TraitId) -> Arc<TraitDatum<ChalkIr>> {
         self.db.trait_datum(self.krate, trait_id)
     }
-    fn struct_datum(&self, struct_id: chalk_ir::StructId) -> Arc<StructDatum> {
+    fn struct_datum(&self, struct_id: chalk_ir::StructId) -> Arc<StructDatum<ChalkIr>> {
         self.db.struct_datum(self.krate, struct_id)
     }
-    fn impl_datum(&self, impl_id: ImplId) -> Arc<ImplDatum> {
+    fn impl_datum(&self, impl_id: ImplId) -> Arc<ImplDatum<ChalkIr>> {
         self.db.impl_datum(self.krate, impl_id)
     }
     fn impls_for_trait(
@@ -484,7 +484,7 @@ where
     fn associated_ty_value(
         &self,
         id: chalk_rust_ir::AssociatedTyValueId,
-    ) -> Arc<AssociatedTyValue> {
+    ) -> Arc<AssociatedTyValue<ChalkIr>> {
         self.db.associated_ty_value(self.krate, id)
     }
     fn custom_clauses(&self) -> Vec<chalk_ir::ProgramClause<ChalkIr>> {
@@ -502,7 +502,7 @@ where
 pub(crate) fn associated_ty_data_query(
     db: &impl HirDatabase,
     id: TypeId,
-) -> Arc<AssociatedTyDatum> {
+) -> Arc<AssociatedTyDatum<ChalkIr>> {
     debug!("associated_ty_data {:?}", id);
     let type_alias: TypeAlias = from_chalk(db, id);
     let trait_ = match type_alias.container(db) {
@@ -528,7 +528,7 @@ pub(crate) fn trait_datum_query(
     db: &impl HirDatabase,
     krate: Crate,
     trait_id: chalk_ir::TraitId,
-) -> Arc<TraitDatum> {
+) -> Arc<TraitDatum<ChalkIr>> {
     debug!("trait_datum {:?}", trait_id);
     if trait_id == UNKNOWN_TRAIT {
         let trait_datum_bound = chalk_rust_ir::TraitDatumBound { where_clauses: Vec::new() };
@@ -585,7 +585,7 @@ pub(crate) fn struct_datum_query(
     db: &impl HirDatabase,
     krate: Crate,
     struct_id: chalk_ir::StructId,
-) -> Arc<StructDatum> {
+) -> Arc<StructDatum<ChalkIr>> {
     debug!("struct_datum {:?}", struct_id);
     let type_ctor: TypeCtor = from_chalk(db, struct_id);
     debug!("struct {:?} = {:?}", struct_id, type_ctor);
@@ -617,7 +617,7 @@ pub(crate) fn impl_datum_query(
     db: &impl HirDatabase,
     krate: Crate,
     impl_id: ImplId,
-) -> Arc<ImplDatum> {
+) -> Arc<ImplDatum<ChalkIr>> {
     let _p = ra_prof::profile("impl_datum");
     debug!("impl_datum {:?}", impl_id);
     let impl_: Impl = from_chalk(db, impl_id);
@@ -633,7 +633,7 @@ fn impl_block_datum(
     krate: Crate,
     impl_id: ImplId,
     impl_block: ImplBlock,
-) -> Option<Arc<ImplDatum>> {
+) -> Option<Arc<ImplDatum<ChalkIr>>> {
     let generic_params = impl_block.generic_params(db);
     let bound_vars = Substs::bound_vars(&generic_params);
     let trait_ref = impl_block.target_trait_ref(db)?.subst(&bound_vars);
@@ -684,7 +684,7 @@ fn impl_block_datum(
     Some(Arc::new(impl_datum))
 }
 
-fn invalid_impl_datum() -> Arc<ImplDatum> {
+fn invalid_impl_datum() -> Arc<ImplDatum<ChalkIr>> {
     let trait_ref = chalk_ir::TraitRef {
         trait_id: UNKNOWN_TRAIT,
         parameters: vec![chalk_ir::TyData::BoundVar(0).cast().intern().cast()],
@@ -703,7 +703,7 @@ fn closure_fn_trait_impl_datum(
     db: &impl HirDatabase,
     krate: Crate,
     data: super::ClosureFnTraitImplData,
-) -> Option<Arc<ImplDatum>> {
+) -> Option<Arc<ImplDatum<ChalkIr>>> {
     // for some closure |X, Y| -> Z:
     // impl<T, U, V> Fn<(T, U)> for closure<fn(T, U) -> V> { Output = V }
 
@@ -760,7 +760,7 @@ pub(crate) fn associated_ty_value_query(
     db: &impl HirDatabase,
     krate: Crate,
     id: chalk_rust_ir::AssociatedTyValueId,
-) -> Arc<chalk_rust_ir::AssociatedTyValue> {
+) -> Arc<chalk_rust_ir::AssociatedTyValue<ChalkIr>> {
     let data: AssocTyValue = from_chalk(db, id);
     match data {
         AssocTyValue::TypeAlias(type_alias) => {
@@ -776,7 +776,7 @@ fn type_alias_associated_ty_value(
     db: &impl HirDatabase,
     _krate: Crate,
     type_alias: TypeAlias,
-) -> Arc<AssociatedTyValue> {
+) -> Arc<AssociatedTyValue<ChalkIr>> {
     let impl_block = type_alias.impl_block(db).expect("assoc ty value should be in impl");
     let impl_id = Impl::ImplBlock(impl_block).to_chalk(db);
     let trait_ = impl_block
@@ -802,7 +802,7 @@ fn closure_fn_trait_output_assoc_ty_value(
     db: &impl HirDatabase,
     krate: Crate,
     data: super::ClosureFnTraitImplData,
-) -> Arc<AssociatedTyValue> {
+) -> Arc<AssociatedTyValue<ChalkIr>> {
     let impl_id = Impl::ClosureFnTraitImpl(data.clone()).to_chalk(db);
 
     let num_args: u16 = match &data.def.body(db)[data.expr] {