Fix workspace layout

.github/workflows/ci.yaml

@@ -38,7 +38,6 @@ jobs:
               - 'crates/proc-macro-api/**'
               - 'crates/proc-macro-srv/**'
               - 'crates/proc-macro-srv-cli/**'
-              - 'crates/proc-macro-test/**'
 
   rust:
     needs: changes

crates/proc-macro-srv/Cargo.toml

@@ -37,4 +37,4 @@ expect-test = "1.4.0"
 proc-macro-test.path = "./proc-macro-test"
 
 [features]
-sysroot-abi = []
+sysroot-abi = ["proc-macro-test/sysroot-abi"]

crates/proc-macro-srv/proc-macro-test/Cargo.toml

@@ -16,3 +16,6 @@ proc-macro-test-impl = { path = "imp", version = "0.0.0" }
 
 # local deps
 toolchain.path = "../../toolchain"
+
+[features]
+sysroot-abi = ["proc-macro-test-impl/sysroot-abi"]

crates/proc-macro-srv/proc-macro-test/imp/Cargo.toml

@@ -9,8 +9,11 @@ publish = false
 doctest = false
 proc-macro = true
 
-[workspace]
-
 [dependencies]
 # this crate should not have any dependencies, since it uses its own workspace,
 # and its own `Cargo.lock`
+
+[features]
+sysroot-abi = []
+
+[workspace]

crates/proc-macro-srv/proc-macro-test/imp/src/lib.rs

@@ -1,5 +1,6 @@
 //! Exports a few trivial procedural macros for testing.
 
+#![cfg(any(feature = "sysroot-abi", rust_analyzer))]
 #![warn(rust_2018_idioms, unused_lifetimes)]
 #![feature(proc_macro_span, proc_macro_def_site)]