Update cargo

[Muscraft]

17 commits in 81c3f77a467359c8be6bc747dc93ec66a6e4ce11..367fd9f213750cd40317803dd0a5a3ce3f0c676d
2025-10-10 18:41:02 +0000 to 2025-10-15 15:01:32 +0000

• test: Don't look for a specfic ANSI color (test: Don't look for a specfic ANSI color cargo#16118)
• docs(guide): Clarify where to set config (docs(guide): Clarify where to set config cargo#16107)
• test(rustfix): re-enable disabled test due to unused variables (test(rustfix): re-enable disabled test due to unused variables cargo#16114)
• Convert the "manifest has no things" warning to annotate_snippets. (Convert the "manifest has no things" warning to annotate_snippets. cargo#16113)
• doc: make it clearer that target.<cfg>.linker is supported (doc: make it clearer that target.<cfg>.linker is supported cargo#16112)
• docs(guide): Cover feature-unification (docs(guide): Cover feature-unification cargo#16108)
• fix(gctx): types are unsupported not unknown (fix(gctx): types are unsupported not unknown cargo#16109)
• fix(script): Tweak cargo script build-dir / target-dir (fix(script): Tweak cargo script build-dir / target-dir cargo#16086)
• docs(gctx): explain Value deserialization step-by-step (docs(gctx): explain Value deserialization step-by-step cargo#16105)
• docs(guide): Talk about removing unused features (docs(guide): Talk about removing unused features cargo#16085)
• test(config): exercise unsupported TOML types (test(config): exercise unsupported TOML types cargo#16100)
• docs(gctx): a bit more of how config deserialization works (docs(gctx): a bit more of how config deserialization works cargo#16094)
• Refactor Layout into BuildDirLayout and ArtifactDirLayout (Refactor Layout into BuildDirLayout and ArtifactDirLayout cargo#16092)
• Add alternative linker to the build performance guide (Add alternative linker to the build performance guide cargo#15991)
• refactor(gctx): extract error to a module (refactor(gctx): extract error to a module cargo#16091)
• fix: Fixed nightly tests failing due to unused_variables lint (fix: Fixed nightly tests failing due to unused_variables lint cargo#16098)
• fix(script): Store cargo script lockfiles in build-dir (fix(script): Store cargo script lockfiles in build-dir cargo#16087)

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.

[Muscraft]

@bors r+ rollup=never p=1

[bors]

📌 Commit b590636 has been approved by Muscraft

It is now in the queue for this repository.

[bors]

⌛ Testing commit b590636 with merge 3f2a592...

[bors]

☀️ Test successful - checks-actions
Approved by: Muscraft
Pushing 3f2a592 to master...

[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 28d0a4a (parent) -> 3f2a592 (this PR)

Test differences

Show 12 test diffs

Stage 2

• bad_config::bad2: pass -> [missing] (J0)
• bad_config::unsupported_datetime: [missing] -> pass (J0)
• bad_config::unsupported_datetime_array: [missing] -> pass (J0)
• bad_config::unsupported_float: [missing] -> pass (J0)
• bad_config::unsupported_float_array: [missing] -> pass (J0)
• bad_config::unsupported_int_array: [missing] -> pass (J0)

Additionally, 6 doctest diffs were found. These are ignored, as they are noisy.

Job group index

• J0: aarch64-apple, aarch64-gnu, x86_64-gnu-aux, x86_64-msvc-ext1

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \ test-dashboard 3f2a5921a451378f219edec28810f5f2f45cf1be --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-rust-for-linux: 3064.7s -> 2605.8s (-15.0%)
2. x86_64-gnu-gcc: 3569.1s -> 3067.4s (-14.1%)
3. x86_64-gnu-llvm-20: 2726.9s -> 2348.5s (-13.9%)
4. aarch64-gnu-llvm-20-2: 2555.1s -> 2205.1s (-13.7%)
5. pr-check-1: 1603.6s -> 1422.7s (-11.3%)
6. i686-gnu-2: 6382.5s -> 5701.8s (-10.7%)
7. aarch64-gnu-llvm-20-1: 3908.4s -> 3500.4s (-10.4%)
8. dist-apple-various: 4543.4s -> 4102.4s (-9.7%)
9. x86_64-gnu-miri: 4874.6s -> 4417.8s (-9.4%)
10. pr-check-2: 2529.2s -> 2333.4s (-7.7%)

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 (3f2a592): comparison URL.

Overall result: no relevant changes - no action needed

@rustbot label: -perf-regression

Instruction count

This benchmark run did not return any relevant results for this metric.

Max RSS (memory usage)

Results (primary -3.5%)

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)	-3.5%	[-6.1%, -0.9%]	2
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-3.5%	[-6.1%, -0.9%]	2

Cycles

This benchmark run did not return any relevant results for this metric.

Binary size

This benchmark run did not return any relevant results for this metric.

Bootstrap: 474.854s -> 476.725s (0.39%)
Artifact size: 388.09 MiB -> 388.06 MiB (-0.01%)