Update cargo submodule

[weihanglo]

10 commits in 06ac0e7c05770a8c7bbf67bdd12fa1a1eefdc8ae..eb9b60f1f6604b5e022c56be31692c215b8ba11d
2026-04-21 15:33:56 +0000 to 2026-04-24 20:52:07 +0000

• chore: Remove unused deps (chore: Remove unused deps cargo#16938)
• feat(compile): Stabilize build.warnings (feat(compile): Stabilize build.warnings cargo#16796)
• cargo clean: do not error if explicitly specified target-dir does not exist (cargo clean: do not error if explicitly specified target-dir does not exist cargo#16934)
• Revert "feat(lints): Add unused deps ignore list" (Revert "feat(lints): Add unused deps ignore list" cargo#16937)
• fix(compile): Ignore unused deps if also transitive (fix(compile): Ignore unused deps if also transitive  cargo#16935)
• Update rustls (Update rustls cargo#16932)
• chore(deps): update rust crate openssl to v0.10.78 [security] (chore(deps): update rust crate openssl to v0.10.78 [security] cargo#16931)
• chore(build-rs): Ensure we lint the crate (chore(build-rs): Ensure we lint the crate cargo#16930)
• Fix flaky test: proc_macro_in_artifact_dep (Fix flaky test: proc_macro_in_artifact_dep cargo#16922)
• refactor(compile): Log all ignored unused externs (refactor(compile): Log all ignored unused externs cargo#16920)

r? ghost

[rustbot]

Some changes occurred in src/tools/cargo

cc @ehuss

[rustbot]

⚠️ Warning ⚠️

• Some commits in this PR modify submodules.

  If this was not intentional, see I changed a submodule on accident in the rustc dev guide.

[weihanglo]

@bors r+ rollup=never p=1

[rust-bors]

📌 Commit d439d07 has been approved by weihanglo

It is now in the queue for this repository.

[rust-bors]

☀️ Test successful - CI
Approved by: weihanglo
Duration: 3h 12m 17s
Pushing 0a4ee3f to main...

[github-actions]

What is this?

This is an experimental post-merge analysis report that shows differences in test outcomes between the merged PR and its parent PR.

Comparing 597d9e4 (parent) -> 0a4ee3f (this PR)

Test differences

Show 28 test diffs

Stage 1

• [codegen] tests/codegen-llvm/amdgpu-addrspacecast.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)
• [codegen] tests/codegen-llvm/issues/issue-122600-ptr-discriminant-update.rs#old: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)
• [codegen] tests/codegen-llvm/issues/issue-37945.rs#new: ignore (ignored when the LLVM version 22.1.4 is older than 23.0.0) -> ignore (ignored when the LLVM version 22.1.2 is older than 23.0.0) (J2)
• [codegen] tests/codegen-llvm/issues/matches-logical-or-141497.rs: ignore (ignored when the LLVM version 22.1.4 is older than 23.0.0) -> ignore (ignored when the LLVM version 22.1.2 is older than 23.0.0) (J2)
• [codegen] tests/codegen-llvm/scalable-vectors/debuginfo.rs#PRE-LLVM-22: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)
• [codegen] tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-gather.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)
• [codegen] tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-masked-load.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)
• [codegen] tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-masked-store.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)
• [codegen] tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-scatter.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)
• [codegen] tests/codegen-llvm/vec_pop_push_noop.rs#old: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)
• [codegen] tests/codegen-llvm/vecdeque_pop_push.rs#old: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J2)

Stage 2

• [codegen] tests/codegen-llvm/array-equality.rs#llvm-next: ignore (ignored when the LLVM version 22.1.4 is older than 23.0.0) -> ignore (ignored when the LLVM version 22.1.2 is older than 23.0.0) (J0)
• [codegen] tests/codegen-llvm/amdgpu-addrspacecast.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• [codegen] tests/codegen-llvm/issues/issue-122600-ptr-discriminant-update.rs#old: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• [codegen] tests/codegen-llvm/issues/issue-37945.rs#new: ignore (ignored when the LLVM version 22.1.4 is older than 23.0.0) -> ignore (ignored when the LLVM version 22.1.2 is older than 23.0.0) (J1)
• [codegen] tests/codegen-llvm/issues/matches-logical-or-141497.rs: ignore (ignored when the LLVM version 22.1.4 is older than 23.0.0) -> ignore (ignored when the LLVM version 22.1.2 is older than 23.0.0) (J1)
• [codegen] tests/codegen-llvm/scalable-vectors/debuginfo.rs#PRE-LLVM-22: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• [codegen] tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-gather.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• [codegen] tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-masked-load.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• [codegen] tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-masked-store.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• [codegen] tests/codegen-llvm/simd-intrinsic/simd-intrinsic-generic-scatter.rs#LLVM21: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• [codegen] tests/codegen-llvm/vec_pop_push_noop.rs#old: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• [codegen] tests/codegen-llvm/vecdeque_pop_push.rs#old: ignore (ignored when the LLVM version (22.1.4) is newer than majorversion 21) -> ignore (ignored when the LLVM version (22.1.2) is newer than majorversion 21) (J1)
• clean::explicit_target_dir_not_exists: [missing] -> pass (J3)
• clean_new_layout::explicit_target_dir_not_exists: [missing] -> pass (J3)
• lints::unused_dependencies::config_ignore: pass -> [missing] (J3)
• warning_override::requires_nightly: pass -> [missing] (J3)
• [run-make] tests/run-make/compressed-debuginfo-zstd: pass -> ignore (ignored if LLVM wasn't build with zstd for ELF section compression or LLVM is not the default codegen backend) (J4)

Job group index

• J0: optional-x86_64-gnu-parallel-frontend, test-various, x86_64-gnu, x86_64-gnu-nopt, x86_64-gnu-stable, x86_64-mingw-1, x86_64-msvc-1
• J1: aarch64-apple, aarch64-gnu, aarch64-msvc-1, arm-android, armhf-gnu, dist-i586-gnu-i586-i686-musl, i686-gnu-1, i686-gnu-nopt-1, i686-msvc-1, optional-x86_64-gnu-parallel-frontend, test-various, x86_64-gnu, x86_64-gnu-nopt, x86_64-gnu-stable, x86_64-mingw-1, x86_64-msvc-1
• J2: pr-check-2
• J3: aarch64-apple, aarch64-gnu, x86_64-gnu-aux, x86_64-msvc-ext1
• J4: x86_64-gnu-nopt

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard 0a4ee3f74bfb6f5c283ad61a906f2df631a46eb7 --output-dir test-dashboard

And then open test-dashboard/index.html in your browser to see an overview of all executed tests.

Job duration changes

1. x86_64-gnu-nopt: 1h 53m -> 2h 57m (+55.5%)
2. dist-x86_64-illumos: 1h 22m -> 1h 49m (+32.8%)
3. dist-sparcv9-solaris: 1h 13m -> 1h 38m (+32.8%)
4. pr-check-2: 43m -> 53m 55s (+25.4%)
5. dist-x86_64-msvc-alt: 2h 53m -> 2h 10m (-25.0%)
6. armhf-gnu: 1h 24m -> 1h 45m (+24.6%)
7. i686-msvc-1: 2h 28m -> 3h 3m (+24.0%)
8. x86_64-rust-for-linux: 50m 49s -> 1h 2m (+23.2%)
9. x86_64-msvc-2: 2h 35m -> 2h (-22.7%)
10. x86_64-gnu-miri: 1h 26m -> 1h 46m (+22.7%)

How to interpret the job duration changes?

Job durations can vary a lot, based on the actual runner instance
that executed the job, system noise, invalidated caches, etc. The table above is provided
mostly for t-infra members, for simpler debugging of potential CI slow-downs.

[rust-timer]

Finished benchmarking commit (0a4ee3f): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This perf run didn't have relevant results for this metric.

Max RSS (memory usage)

Results (primary -1.4%, secondary -2.4%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-1.4%	[-2.1%, -0.9%]	3
Improvements ✅ (secondary)	-2.4%	[-4.0%, -1.0%]	6
All ❌✅ (primary)	-1.4%	[-2.1%, -0.9%]	3

Cycles

Results (primary 2.7%, secondary 2.2%)

A less reliable metric. May be of interest, but not used to determine the overall result above.

	mean	range	count
Regressions ❌ (primary)	2.7%	[2.7%, 2.7%]	1
Regressions ❌ (secondary)	2.2%	[2.2%, 2.2%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	2.7%	[2.7%, 2.7%]	1

Binary size

This perf run didn't have relevant results for this metric.

Bootstrap: 489.989s -> 492.019s (0.41%)
Artifact size: 394.31 MiB -> 394.25 MiB (-0.02%)