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What does this PR try to resolve?

This PR fixes incorrect locking behavior in layout.rs that forgets to lock the build-dir when build-dir == artifact-dir.
This is problematic is the default for both are $WORKSPACE/target and I overlooked this :(

Issue reported in #16384

How to test and review this PR?

See the tests. You can also run cargo check and check for the presence of .cargo-lock

r? @weihanglo

@rustbot rustbot added A-layout Area: target output directory layout, naming, and organization S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Dec 12, 2025
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@weihanglo weihanglo added this pull request to the merge queue Dec 12, 2025
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Let me know if you're willing to do a beta-backport, @ranger-ross. No worries if you are busy.

For cherry-picking, it would need this PR, as well as #16380 to make CI happy, and should be filed against the branch https://github.com/rust-lang/cargo/tree/rust-1.93.0. (See doc)

@weihanglo weihanglo added the beta-nominated Nominated to backport to the beta branch. label Dec 12, 2025
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sure I can take a crack at it :)

@github-merge-queue github-merge-queue bot removed this pull request from the merge queue due to failed status checks Dec 12, 2025
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The same flakiness on aarch64-pc-windows-msvc (again)

requeuing

 ---- cache_lock::download_then_mutate stdout ----

thread 'cache_lock::download_then_mutate' (4228) panicked at tests\testsuite\cache_lock.rs:15:5:
test did not finish within 10 attempts (1.0035934s total)

@weihanglo weihanglo added this pull request to the merge queue Dec 12, 2025
Merged via the queue into rust-lang:master with commit 4d0eff0 Dec 12, 2025
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@rustbot rustbot removed the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Dec 12, 2025
weihanglo added a commit that referenced this pull request Dec 12, 2025
### What does this PR try to resolve?

This PR backports #16385 along with some test fixes from #16380 to make
CI happy.

### How to test and review this PR?

r? @weihanglo
bors added a commit to rust-lang/rust that referenced this pull request Dec 13, 2025
Update cargo submodule

27 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..c46423de7351e3c4c734b2faa86088a9f5d1302b
2025-12-04 16:47:28 +0000 to 2025-12-12 23:16:12 +0000
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
bors added a commit to rust-lang/rust that referenced this pull request Dec 13, 2025
Update cargo submodule

29 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..e91b2baa632c0c7e84216c91ecfe107c37d887c1
2025-12-04 16:47:28 +0000 to 2025-12-13 16:29:21 +0000
- refactor(lints): move from cargo::util::lints to cargo::lints (rust-lang/cargo#16392)
- test(lint): redact more due to line got omitted (rust-lang/cargo#16391)
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
@rustbot rustbot added this to the 1.94.0 milestone Dec 13, 2025
github-actions bot pushed a commit to rust-lang/miri that referenced this pull request Dec 14, 2025
Update cargo submodule

29 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..e91b2baa632c0c7e84216c91ecfe107c37d887c1
2025-12-04 16:47:28 +0000 to 2025-12-13 16:29:21 +0000
- refactor(lints): move from cargo::util::lints to cargo::lints (rust-lang/cargo#16392)
- test(lint): redact more due to line got omitted (rust-lang/cargo#16391)
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
@ranger-ross ranger-ross deleted the bug-fix-locking branch December 14, 2025 06:56
github-actions bot pushed a commit to rust-lang/rust-analyzer that referenced this pull request Dec 15, 2025
Update cargo submodule

29 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..e91b2baa632c0c7e84216c91ecfe107c37d887c1
2025-12-04 16:47:28 +0000 to 2025-12-13 16:29:21 +0000
- refactor(lints): move from cargo::util::lints to cargo::lints (rust-lang/cargo#16392)
- test(lint): redact more due to line got omitted (rust-lang/cargo#16391)
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
Kobzol pushed a commit to Kobzol/rustc_codegen_gcc that referenced this pull request Dec 21, 2025
Update cargo submodule

29 commits in 2c283a9a5c5968eeb9a8f12313f04feb1ff8dfac..e91b2baa632c0c7e84216c91ecfe107c37d887c1
2025-12-04 16:47:28 +0000 to 2025-12-13 16:29:21 +0000
- refactor(lints): move from cargo::util::lints to cargo::lints (rust-lang/cargo#16392)
- test(lint): redact more due to line got omitted (rust-lang/cargo#16391)
- feat(report): cargo report timings HTML replay (rust-lang/cargo#16377)
- feat: stabilize `-Zconfig-include` (rust-lang/cargo#16284)
- fix(package): Don't verify registry for --list  (rust-lang/cargo#16341)
- Fixed incorrect locking logic when artifact-dir == build-dir (rust-lang/cargo#16385)
- feat(log): make timing messages ready for HTML replay (rust-lang/cargo#16382)
- chore(deps): update msrv (1 version) to v1.92 (rust-lang/cargo#16381)
- Downgrade curl-sys to 0.4.83 (rust-lang/cargo#16379)
- fix(timing): more self-contained timing/log data (rust-lang/cargo#16378)
- test: update to `proc_macro::tracked::path` (rust-lang/cargo#16380)
- refactor(lint): move lints to separate modules (rust-lang/cargo#16364)
- fix(index): Apply feedback from Cargo team (rust-lang/cargo#16369)
- fix(lints): handle lints separately at ws pkg level  (rust-lang/cargo#16367)
- feat(lint): new `implicit_minimum_version_req` lint (rust-lang/cargo#16321)
- fix(info): default to local without explicit reg (rust-lang/cargo#16358)
- Remove `[no-mentions]` handler in our triagebot config (rust-lang/cargo#16361)
- Don't read the config file twice when $CARGO_HOME is a symlink (rust-lang/cargo#16325)
- fix(timings): forgot to negate filter (rust-lang/cargo#16352)
- fix(doctest): Include all search paths with new build layout  (rust-lang/cargo#16348)
- fix(layout): Remove hashes from bins in new layout  (rust-lang/cargo#16351)
- docs(faq): Include an entry on disk space (rust-lang/cargo#16349)
- feat(timings): derive concurrency data from unit data (rust-lang/cargo#16350)
- perf(layout): Use unit_id, not pkg hash, for bin/lib pkg_dirs for new layout (rust-lang/cargo#16345)
- Validate target source paths before compilation with clearer errors (rust-lang/cargo#16338)
- test(doc): Remove unused build script (rust-lang/cargo#16344)
- refactor(timings): store UnitData in RenderContext instead  (rust-lang/cargo#16346)
- perf(clean): Optimize (legacy) clean with multiple -p specifiers (rust-lang/cargo#16264)
- test: Adjust output for out-of-tree build-dir (rust-lang/cargo#16343)
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3 participants