pw_toolchain: Adjust stable Rust toolchain to work with gen_rust_project

Change-Id: Iacec85d15aed03905e31e6a32dc725517149e6b8 Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/267014 Presubmit-Verified: CQ Bot Account <[email protected]> Lint: Lint 🤖 <[email protected]> Pigweed-Auto-Submit: Erik Gilling <[email protected]> Commit-Queue: Auto-Submit <[email protected]> Docs-Not-Needed: Erik Gilling <[email protected]> Reviewed-by: Armando Montanez <[email protected]>
google · Feb 11, 2025 · f5ee80b · f5ee80b
1 parent 7892387
commit f5ee80b
Show file tree

Hide file tree

Showing 2 changed files with 4 additions and 2 deletions.
diff --git a/MODULE.bazel.lock b/MODULE.bazel.lock
diff --git a/pw_toolchain/rust/toolchains.bzl b/pw_toolchain/rust/toolchains.bzl
@@ -80,9 +80,11 @@ CHANNELS = [
         # to allow these features globally.  These include:
         # `error_generic_member_access`: `anyhow` auto detects this feature
         # `proc_macro_span`: `proc-macro2` auto detects this features
+        # `rustc_attrs`: `rustix` (a gen_rust_project dep) auto detects this
+        #   feature.
         "extra_rustc_flags": [
             "-Dwarnings",
-            "-Zallow-features=error_generic_member_access,proc_macro_span",
+            "-Zallow-features=error_generic_member_access,proc_macro_span,rustc_attrs",
         ],
         "name": "stable",
         "target_settings": ["@rules_rust//rust/toolchain/channel:stable"],