rustc-dev-guide subtree update #147392

tshepang · 2025-10-06T05:17:40Z

Subtree update of rustc-dev-guide to rust-lang/rustc-dev-guide@5270b84.

Created using https://github.com/rust-lang/josh-sync.

r? @ghost

…check, tsc)

There used to be compiler team and compiler-contributor team, and those have since been collapsed into 1 team.

compiler-team.md: remove obsolete membership level

Document rustdoc frontend CI checks

how-to-build-and-run.md: replace "rm build" with "x clean --all"

rename primary git branch

cg_gcc.md: add missing quote

update libEnzyme file name, and add missing strict-aliasing flag

This updates the rust-version file to 4fa824b.

Pull recent changes from https://github.com/rust-lang/rust via Josh. Upstream ref: 4fa824b Filtered ref: b8d3c3cc8b2048bd34d7611095d36d82259331af Upstream diff: rust-lang/rust@9f32ccf...4fa824b This merge was created using https://github.com/rust-lang/josh-sync.

Rustc pull update

…ective some fixes

rustbot · 2025-10-06T05:17:43Z

The rustc-dev-guide subtree was changed. If this PR only touches the dev guide consider submitting a PR directly to rust-lang/rustc-dev-guide otherwise thank you for updating the dev guide with your changes.

cc @BoxyUwU, @jieyouxu, @Kobzol, @tshepang

tshepang · 2025-10-06T05:20:30Z

@bors r+ rollup

bors · 2025-10-06T05:20:33Z

📌 Commit ce3928b has been approved by tshepang

It is now in the queue for this repository.

bors · 2025-10-06T07:44:18Z

⌛ Testing commit ce3928b with merge 54c5075...

rustc-dev-guide subtree update Subtree update of `rustc-dev-guide` to rust-lang/rustc-dev-guide@5270b84. Created using https://github.com/rust-lang/josh-sync. r? `@ghost`

rust-log-analyzer · 2025-10-06T08:42:06Z

The job dist-armhf-linux failed! Check out the build log: (web) (plain enhanced) (plain)

Click to see the possible cause of the failure (guessed by this bot)

bors · 2025-10-06T08:42:52Z

💔 Test failed - checks-actions

tshepang · 2025-10-06T09:00:30Z

error: failed to sync

Caused by:
  failed to download packages for /checkout/src/tools/clippy/clippy_test_deps

Caused by:
  failed to download from `[https://static.crates.io/crates/addr2line/0.24.2/download`](https://static.crates.io/crates/addr2line/0.24.2/download%60)

Caused by:
  [7] Could not connect to server (Failed to connect to static.crates.io port 443 after 4118 ms: Could not connect to server)

Kobzol · 2025-10-06T09:06:13Z

@bors retry

bors · 2025-10-06T09:07:24Z

⌛ Testing commit ce3928b with merge d2acb42...

bors · 2025-10-06T12:19:06Z

☀️ Test successful - checks-actions
Approved by: tshepang
Pushing d2acb42 to master...

github-actions · 2025-10-06T12:22:25Z

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 1a3cdd3 (parent) -> d2acb42 (this PR)

Test differences

Show 1 test diff

1 doctest diff were found. These are ignored, as they are noisy.

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard d2acb427e424fd7d52377698046a06109e9777b4 --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

dist-aarch64-apple: 6779.3s -> 9301.6s (37.2%)
dist-x86_64-apple: 6484.4s -> 8026.9s (23.8%)
x86_64-gnu-llvm-20: 2893.4s -> 2383.5s (-17.6%)
pr-check-2: 2728.0s -> 2315.8s (-15.1%)
dist-apple-various: 3646.2s -> 4147.7s (13.8%)
x86_64-gnu-nopt: 7471.7s -> 6676.5s (-10.6%)
aarch64-gnu-llvm-20-2: 2445.4s -> 2186.7s (-10.6%)
x86_64-mingw-2: 7149.4s -> 7895.0s (10.4%)
i686-gnu-2: 6069.5s -> 5504.2s (-9.3%)
aarch64-apple: 9421.5s -> 8558.2s (-9.2%)

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 · 2025-10-06T13:55:57Z

Finished benchmarking commit (d2acb42): 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 -2.2%)

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

	mean	range	count
Regressions ❌ (primary)	2.4%	[2.4%, 2.4%]	1
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-6.8%	[-6.8%, -6.8%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-2.2%	[-6.8%, 2.4%]	2

Cycles

Results (secondary 3.0%)

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)	3.0%	[2.2%, 3.9%]	3
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 471.633s -> 470.924s (-0.15%)
Artifact size: 388.34 MiB -> 388.38 MiB (0.01%)

ali90h and others added 21 commits August 31, 2025 09:55

docs(rustdoc): document that JS/TS checks run under tidy (eslint, es-…

de47dec

…check, tsc)

rename primary git branch

9adc741

compiler-team.md: remove obsolete membership level

88f9544

There used to be compiler team and compiler-contributor team, and those have since been collapsed into 1 team.

Merge pull request rust-lang#2597 from rust-lang/tshepang-patch-2

aadaafa

compiler-team.md: remove obsolete membership level

Merge pull request rust-lang#2562 from ali90h/rustdoc-ci-frontends-note

370576b

Document rustdoc frontend CI checks

how-to-build-and-run.md: replace "rm build" with "x clean --all"

92e65dc

how-to-build-and-run.md: update "building compiler" section

eaeca96

Merge pull request rust-lang#2598 from rust-lang/tshepang-patch-2

7e65b09

how-to-build-and-run.md: replace "rm build" with "x clean --all"

Merge pull request rust-lang#2570 from rust-lang/tshepang/branch-rename

ce830e6

rename primary git branch

cg_gcc.md: add missing quote

74caed9

Merge pull request rust-lang#2601 from rust-lang/tshepang-patch-2

d0417dd

cg_gcc.md: add missing quote

Merge pull request rust-lang#2599 from rust-lang/tshepang-patch-5

3f6f94e

update libEnzyme file name, and add missing strict-aliasing flag

a175921

Add potential instability warning

765e2fe

Merge pull request rust-lang#2603 from rust-lang/autodiff-updates

bd97577

update libEnzyme file name, and add missing strict-aliasing flag

Prepare for merging from rust-lang/rust

f54139a

This updates the rust-version file to 4fa824b.

Merge pull request rust-lang#2604 from rust-lang/rustc-pull

73c8bfa

Rustc pull update

fix text describing edition range testing

98afeb8

overlong

2d6f590

Merge pull request rust-lang#2605 from rust-lang/tshepang/edition-dir…

ce3928b

…ective some fixes

rustbot added A-rustc-dev-guide Area: rustc-dev-guide S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 6, 2025

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 6, 2025

bors added S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Oct 6, 2025

bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Oct 6, 2025

bors added the merged-by-bors This PR was explicitly merged by bors. label Oct 6, 2025

bors merged commit d2acb42 into rust-lang:master Oct 6, 2025
11 checks passed

rustbot added this to the 1.92.0 milestone Oct 6, 2025

tshepang deleted the rdg-sync branch October 6, 2025 12:40

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rustc-dev-guide subtree update #147392

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rustc-dev-guide subtree update #147392

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rust-timer commented Oct 6, 2025

Overall result: no relevant changes - no action needed

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