Rollup of 3 pull requests #151339

JonathanBrouwer · 2026-01-18T20:43:46Z

Successful merges:

Reorganizing tests/ui/issues 15 tests [2/N] #151287 (Reorganizing tests/ui/issues 15 tests [2/N] )
fix: thread creation failed on the wasm32-wasip1-threads target. #151309 (fix: thread creation failed on the wasm32-wasip1-threads target.)
Port rustc allocator attributes to attribute parser #151335 (Port rustc allocator attributes to attribute parser)

Reorganizing `tests/ui/issues` 15 tests [2/N] part of rust-lang#133895 r? Kivooeo

fix: thread creation failed on the wasm32-wasip1-threads target. wasm32-wasip1-threads target cannot create thread since nightly-2026-01-16. This commit (c1bcae0) broken it. It in rust-lang#151016 This pull-request fix that issue.

@JonathanBrouwer

…ouwer Port rustc allocator attributes to attribute parser Tracking issue: rust-lang#131229 Made a new file since i saw this pattern for `rustc_dump.rs` Very simple attributes so felt like I can do them all in one PR r? @JonathanBrouwer

JonathanBrouwer · 2026-01-18T20:43:56Z

@bors r+ rollup=never p=5

rust-bors · 2026-01-18T20:43:58Z

📌 Commit 47d8a87 has been approved by JonathanBrouwer

It is now in the queue for this repository.

rust-bors · 2026-01-19T01:06:54Z

☀️ Test successful - CI
Approved by: JonathanBrouwer
Pushing 9b37157 to main...

rust-timer · 2026-01-19T01:07:47Z

📌 Perf builds for each rolled up PR:

PR#	Message	Perf Build Sha
#151287	Reorganizing `tests/ui/issues` 15 tests [2/N]	`0e085707b058adbb3c94ea9ac0defda88e4c1544` (link)
#151309	fix: thread creation failed on the wasm32-wasip1-threads ta…	`f9c231debe4f66b1933f9f076d8292341feeee35` (link)
#151335	Port rustc allocator attributes to attribute parser	`10eb0a4065361423ce593f849a58698ede1e4563` (link)

previous master: 0a3cd3b6b6

In the case of a perf regression, run the following command for each PR you suspect might be the cause: @rust-timer build $SHA

github-actions · 2026-01-19T01:10:00Z

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 0a3cd3b (parent) -> 9b37157 (this PR)

Test differences

Show 70 test diffs

Stage 1

[ui] tests/ui/associated-types/associated-type-as-value.rs: [missing] -> pass (J0)
[ui] tests/ui/cast/cast-to-unsized-type.rs: [missing] -> pass (J0)
[ui] tests/ui/cast/non-primitive-isize-ref-cast.rs: [missing] -> pass (J0)
[ui] tests/ui/enum/enum-nonexisting-field.rs: [missing] -> pass (J0)
[ui] tests/ui/issues/issue-11680.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-16745.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-16966.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-17351.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-17441.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-19692.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-19922.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-22599.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-24013.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-25368.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-26472.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-2995.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-34209.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-35241.rs: pass -> [missing] (J0)
[ui] tests/ui/issues/issue-38919.rs: pass -> [missing] (J0)
[ui] tests/ui/lint/unused/unused-trait-fn.rs: [missing] -> pass (J0)
[ui] tests/ui/lint/unused/unused-var-in-match-arm.rs: [missing] -> pass (J0)
[ui] tests/ui/methods/method-not-found-on-struct.rs: [missing] -> pass (J0)
[ui] tests/ui/pattern/enum-variant-not-found.rs: [missing] -> pass (J0)
[ui] tests/ui/pattern/match-constant-and-byte-literal.rs: [missing] -> pass (J0)
[ui] tests/ui/privacy/imported-enum-is-private.rs: [missing] -> pass (J0)
[ui] tests/ui/privacy/private-struct-field-in-module.rs: [missing] -> pass (J0)
[ui] tests/ui/type-inference/panic-with-unspecified-type.rs: [missing] -> pass (J0)
[ui] tests/ui/type-inference/send-with-unspecified-type.rs: [missing] -> pass (J0)
[ui] tests/ui/type-inference/swap-with-unspecified-type.rs: [missing] -> pass (J0)
[ui] tests/ui/type/struct-constructor-as-value.rs: [missing] -> pass (J0)

Stage 2

[ui] tests/ui/associated-types/associated-type-as-value.rs: [missing] -> pass (J1)
[ui] tests/ui/cast/cast-to-unsized-type.rs: [missing] -> pass (J1)
[ui] tests/ui/cast/non-primitive-isize-ref-cast.rs: [missing] -> pass (J1)
[ui] tests/ui/enum/enum-nonexisting-field.rs: [missing] -> pass (J1)
[ui] tests/ui/issues/issue-11680.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-16745.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-16966.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-17351.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-17441.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-19692.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-19922.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-22599.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-24013.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-25368.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-26472.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-2995.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-34209.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-35241.rs: pass -> [missing] (J1)
[ui] tests/ui/issues/issue-38919.rs: pass -> [missing] (J1)
[ui] tests/ui/lint/unused/unused-trait-fn.rs: [missing] -> pass (J1)
[ui] tests/ui/lint/unused/unused-var-in-match-arm.rs: [missing] -> pass (J1)
[ui] tests/ui/methods/method-not-found-on-struct.rs: [missing] -> pass (J1)
[ui] tests/ui/pattern/enum-variant-not-found.rs: [missing] -> pass (J1)
[ui] tests/ui/pattern/match-constant-and-byte-literal.rs: [missing] -> pass (J1)
[ui] tests/ui/privacy/imported-enum-is-private.rs: [missing] -> pass (J1)
[ui] tests/ui/privacy/private-struct-field-in-module.rs: [missing] -> pass (J1)
[ui] tests/ui/type-inference/panic-with-unspecified-type.rs: [missing] -> pass (J1)
[ui] tests/ui/type-inference/send-with-unspecified-type.rs: [missing] -> pass (J1)
[ui] tests/ui/type-inference/swap-with-unspecified-type.rs: [missing] -> pass (J1)
[ui] tests/ui/type/struct-constructor-as-value.rs: [missing] -> pass (J1)

Additionally, 10 doctest diffs were found. These are ignored, as they are noisy.

Job group index

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard 9b37157eceaa7c8ba4d6759335201a7dca58c2aa --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-apple-various: 3256.2s -> 5015.2s (+54.0%)
aarch64-apple: 9801.1s -> 12508.1s (+27.6%)
dist-x86_64-mingw: 8826.0s -> 10063.5s (+14.0%)
dist-aarch64-apple: 6700.5s -> 5766.1s (-13.9%)
x86_64-gnu-llvm-20-3: 7267.6s -> 6338.7s (-12.8%)
dist-aarch64-msvc: 5921.0s -> 5220.6s (-11.8%)
aarch64-gnu-llvm-20-2: 3237.2s -> 2928.3s (-9.5%)
test-various: 6937.9s -> 7578.7s (+9.2%)
x86_64-gnu-miri: 5006.0s -> 4550.1s (-9.1%)
x86_64-gnu-llvm-20-1: 4385.9s -> 3997.1s (-8.9%)

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 · 2026-01-19T01:48:26Z

Finished benchmarking commit (9b37157): comparison URL.

Overall result: ❌✅ regressions and improvements - no action needed

@rustbot label: -perf-regression

Instruction count

Our most reliable metric. Used to determine the overall result above. However, even this metric can be noisy.

	mean	range	count
Regressions ❌ (primary)	-	-	0
Regressions ❌ (secondary)	0.4%	[0.3%, 0.4%]	5
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.8%	[-1.2%, -0.1%]	3
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (secondary -1.4%)

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)	1.1%	[1.1%, 1.1%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.6%	[-3.0%, -2.3%]	2
All ❌✅ (primary)	-	-	0

Cycles

Results (secondary 3.4%)

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)	3.4%	[3.4%, 3.4%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 474.37s -> 474.437s (0.01%)
Artifact size: 383.25 MiB -> 383.26 MiB (0.00%)

zedddie and others added 11 commits January 18, 2026 06:23

move some tests

cf5a7da

add metadata and bless moved tests

2c7969a

fix: thread creation failed on the wasm32-wasip1-threads target.

b35f80f

Port #[rustc_allocator] to attr parser

858fb40

Port #[rustc_deallocator] to attr parser

027a6f2

Port #[rustc_reallocator] to attr parser

9a7614d

Port #[rustc_allocator_zeroed] to attr parser

21c9bd7

Port #[rustc_allocator_zeroed_variant] to attr parser

9a931e8

Rollup merge of rust-lang#151287 - m15t, r=Kivooeo

5a96067

Reorganizing `tests/ui/issues` 15 tests [2/N] part of rust-lang#133895 r? Kivooeo

rust-bors bot added the rollup A PR which is a rollup label Jan 18, 2026

rust-bors bot 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 Jan 18, 2026

This comment has been minimized.

Sign in to view

rust-bors bot added merged-by-bors This PR was explicitly merged by bors. and removed S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. labels Jan 19, 2026

rust-bors bot merged commit 9b37157 into rust-lang:main Jan 19, 2026
12 checks passed

rustbot added this to the 1.95.0 milestone Jan 19, 2026

rust-bors bot mentioned this pull request Jan 19, 2026

Port rustc codegen attrs #151336

Merged

This was referenced Jan 19, 2026

Port #[patchable_function_entry] to attr parser #151340

Merged

Port some crate level attrs to the attribute parser #151343

Open

Ignore #[doc(hidden)] items when computing trimmed paths for printing #148623

Merged

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Uh oh!

Uh oh!

Rollup of 3 pull requests #151339

Rollup of 3 pull requests #151339

Uh oh!

JonathanBrouwer commented Jan 18, 2026

Uh oh!

JonathanBrouwer commented Jan 18, 2026

Uh oh!

rust-bors bot commented Jan 18, 2026

Uh oh!

This comment has been minimized.

rust-bors bot commented Jan 19, 2026

Uh oh!

Uh oh!

rust-timer commented Jan 19, 2026

Uh oh!

github-actions bot commented Jan 19, 2026

Stage 1

Stage 2

Uh oh!

rust-timer commented Jan 19, 2026

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

6 participants

Uh oh!

Rollup of 3 pull requests #151339

Rollup of 3 pull requests #151339

Uh oh!

Conversation

JonathanBrouwer commented Jan 18, 2026

Uh oh!

JonathanBrouwer commented Jan 18, 2026

Uh oh!

rust-bors bot commented Jan 18, 2026

Uh oh!

This comment has been minimized.

rust-bors bot commented Jan 19, 2026

Uh oh!

Uh oh!

rust-timer commented Jan 19, 2026

Uh oh!

github-actions bot commented Jan 19, 2026

Test differences

Stage 1

Stage 2

Job duration changes

Uh oh!

rust-timer commented Jan 19, 2026

Overall result: ❌✅ regressions and improvements - no action needed

Instruction count

Max RSS (memory usage)

Cycles

Binary size

Uh oh!

Reviewers

Assignees

Labels

Projects

Milestone

Development

Uh oh!

6 participants