Port `#[automatically_derived]` to the new attribute parsing infrastructure by JonathanBrouwer · Pull Request #143779 · rust-lang/rust

JonathanBrouwer · 2025-07-11T10:19:31Z

Ports #[automatically_derived] to the new attribute parsing infrastructure for #131229 (comment)

r? @oli-obk
cc @jdonszelmann

rustbot · 2025-07-11T10:19:38Z

Some changes occurred in compiler/rustc_passes/src/check_attr.rs

cc @jdonszelmann

Some changes occurred in compiler/rustc_attr_parsing

cc @jdonszelmann

Some changes occurred in src/tools/clippy

cc @rust-lang/clippy

Some changes occurred in compiler/rustc_attr_data_structures

cc @jdonszelmann

Some changes occurred in match checking

cc @Nadrieril

JonathanBrouwer · 2025-07-11T10:35:29Z

compiler/rustc_hir/src/hir.rs

            Attribute::Parsed(AttributeKind::DocComment { span, .. }) => *span,
            Attribute::Parsed(AttributeKind::MayDangle(span)) => *span,
            Attribute::Parsed(AttributeKind::Ignore { span, .. }) => *span,
+            Attribute::Parsed(AttributeKind::AutomaticallyDerived(span)) => *span,


This change is needed to fix #143780 for automatically_derived. automatically_derived is part of a test case so this is necessary to add now. @jdonszelmann and I are discussing a general solution to this problem.

Kobzol · 2025-07-11T11:47:02Z

There are lots of these attributes produced by built-in derives, let's do a perf. run once this is ready.

bors · 2025-07-12T14:58:24Z

☔ The latest upstream changes (presumably #143810) made this pull request unmergeable. Please resolve the merge conflicts.

…ucture Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>

Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>

jdonszelmann · 2025-07-12T18:50:47Z

@bors try @rust-timer queue

… r=<try> Port `#[automatically_derived]` to the new attribute parsing infrastructure Ports `#[automatically_derived]` to the new attribute parsing infrastructure for #131229 (comment) r? `@oli-obk` cc `@jdonszelmann`

bors · 2025-07-12T18:51:59Z

⌛ Trying commit 68066b9 with merge bc14627...

bors · 2025-07-12T21:10:09Z

☀️ Try build successful - checks-actions
Build commit: bc14627 (bc146279bdc1ca321ed03225099bba4299bcd965)

rust-timer · 2025-07-12T23:48:05Z

Finished benchmarking commit (bc14627): comparison URL.

Overall result: ✅ improvements - no action needed

Benchmarking this pull request means it may be perf-sensitive – we'll automatically label it not fit for rolling up. You can override this, but we strongly advise not to, due to possible changes in compiler perf.

@bors rollup=never
@rustbot label: -S-waiting-on-perf -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
Improvements ✅ (primary)	-0.1%	[-0.1%, -0.1%]	1
Improvements ✅ (secondary)	-0.2%	[-0.3%, -0.2%]	8
All ❌✅ (primary)	-0.1%	[-0.1%, -0.1%]	1

Max RSS (memory usage)

Results (primary -1.1%, secondary -1.0%)

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)	2.1%	[2.1%, 2.1%]	1
Improvements ✅ (primary)	-1.1%	[-1.1%, -1.1%]	1
Improvements ✅ (secondary)	-4.0%	[-4.0%, -4.0%]	1
All ❌✅ (primary)	-1.1%	[-1.1%, -1.1%]	1

Cycles

Results (primary 1.4%, secondary 5.8%)

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

	mean	range	count
Regressions ❌ (primary)	2.6%	[2.3%, 2.8%]	3
Regressions ❌ (secondary)	5.8%	[2.4%, 9.2%]	2
Improvements ✅ (primary)	-2.2%	[-2.2%, -2.2%]	1
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	1.4%	[-2.2%, 2.8%]	4

Binary size

Results (primary -0.1%, secondary -0.4%)

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)	-0.1%	[-0.3%, -0.0%]	71
Improvements ✅ (secondary)	-0.4%	[-1.8%, -0.0%]	31
All ❌✅ (primary)	-0.1%	[-0.3%, -0.0%]	71

Bootstrap: 464.174s -> 466.768s (0.56%)
Artifact size: 374.70 MiB -> 374.67 MiB (-0.01%)

oli-obk · 2025-07-13T05:15:43Z

@bors r+

bors · 2025-07-13T05:15:46Z

📌 Commit 68066b9 has been approved by oli-obk

It is now in the queue for this repository.

jdonszelmann · 2025-07-13T06:15:42Z

damn, no regressions?

bors · 2025-07-14T04:29:57Z

⌛ Testing commit 68066b9 with merge ad635e5...

bors · 2025-07-14T07:31:54Z

☀️ Test successful - checks-actions
Approved by: oli-obk
Pushing ad635e5 to master...

github-actions · 2025-07-14T07:35:13Z

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 9c3064e (parent) -> ad635e5 (this PR)

Test differences

Show 14 test diffs

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

Test dashboard

Run

cargo run --manifest-path src/ci/citool/Cargo.toml -- \
    test-dashboard ad635e5d0696076b4412dd7db7b7e8c0867d6e0c --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

x86_64-apple-1: 6198.6s -> 8956.0s (44.5%)
dist-aarch64-linux: 8137.9s -> 5852.0s (-28.1%)
aarch64-apple: 4724.2s -> 5827.1s (23.3%)
dist-apple-various: 6334.9s -> 7527.0s (18.8%)
dist-x86_64-apple: 9338.3s -> 8381.1s (-10.3%)
x86_64-apple-2: 4214.5s -> 3854.9s (-8.5%)
dist-x86_64-musl: 7019.0s -> 7578.3s (8.0%)
dist-aarch64-apple: 5389.4s -> 5807.3s (7.8%)
aarch64-gnu-debug: 4199.5s -> 3934.6s (-6.3%)
pr-check-1: 1679.3s -> 1583.0s (-5.7%)

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 · 2025-07-14T08:47:08Z

Finished benchmarking commit (ad635e5): comparison URL.

Overall result: ✅ 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
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-0.2%	[-0.3%, -0.1%]	8
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (primary 2.3%, 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)	4.7%	[1.8%, 7.7%]	4
Regressions ❌ (secondary)	-	-	0
Improvements ✅ (primary)	-7.5%	[-7.5%, -7.5%]	1
Improvements ✅ (secondary)	-2.4%	[-2.4%, -2.4%]	1
All ❌✅ (primary)	2.3%	[-7.5%, 7.7%]	5

Cycles

Results (secondary -0.0%)

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)	2.2%	[2.2%, 2.2%]	1
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.3%	[-2.3%, -2.3%]	1
All ❌✅ (primary)	-	-	0

Binary size

Results (primary -0.1%, secondary -0.4%)

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)	-0.1%	[-0.3%, -0.0%]	71
Improvements ✅ (secondary)	-0.4%	[-1.8%, -0.0%]	31
All ❌✅ (primary)	-0.1%	[-0.3%, -0.0%]	71

Bootstrap: 462.57s -> 465.735s (0.68%)
Artifact size: 374.65 MiB -> 374.64 MiB (-0.00%)

…d_parser, r=oli-obk Port `#[automatically_derived]` to the new attribute parsing infrastructure Ports `#[automatically_derived]` to the new attribute parsing infrastructure for rust-lang#131229 (comment) r? `@oli-obk` cc `@jdonszelmann`

rustbot assigned oli-obk Jul 11, 2025

rustbot added A-attributes Area: Attributes (`#[…]`, `#![…]`) S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. T-compiler Relevant to the compiler team, which will review and decide on the PR/issue. labels Jul 11, 2025

JonathanBrouwer commented Jul 11, 2025

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JonathanBrouwer force-pushed the automatically_derived_parser branch from 8ffd1bf to 499af0e Compare July 11, 2025 11:32

JonathanBrouwer added 3 commits July 12, 2025 17:48

Port #[automatically_derived] to the new attribute parsing infrastr…

ef82007

…ucture Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>

Fix clippy & rustdoc-json

a1cfca3

Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>

Update uitest stderrs

68066b9

Signed-off-by: Jonathan Brouwer <jonathantbrouwer@gmail.com>

JonathanBrouwer force-pushed the automatically_derived_parser branch from 499af0e to 68066b9 Compare July 12, 2025 15:51

jdonszelmann mentioned this pull request Jul 12, 2025

Tracking issue: Attribute refactor #131229

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rustbot added the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Jul 12, 2025

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rustbot removed the S-waiting-on-perf Status: Waiting on a perf run to be completed. label Jul 12, 2025

oli-obk approved these changes Jul 13, 2025

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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 Jul 13, 2025

bors added the merged-by-bors This PR was explicitly merged by bors. label Jul 14, 2025

bors merged commit ad635e5 into rust-lang:master Jul 14, 2025
12 checks passed

rustbot added this to the 1.90.0 milestone Jul 14, 2025

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rust-timer commented Jul 12, 2025

Overall result: ✅ improvements - no action needed

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github-actions bot commented Jul 14, 2025

Test differences

Job duration changes

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rust-timer commented Jul 14, 2025

Overall result: ✅ improvements - no action needed

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