Look at proc-macro attributes when encountering unknown attribute #134841

estebank · 2024-12-28T03:17:51Z

error: cannot find attribute `sede` in this scope
  --> $DIR/missing-derive-2.rs:22:7
   |
LL |     #[sede(untagged)]
   |       ^^^^
   |
help: the derive macros `Deserialize` and `Serialize` accept the similarly named `serde` attribute
   |
LL |     #[serde(untagged)]
   |         +

error: cannot find attribute `serde` in this scope
  --> $DIR/missing-derive-2.rs:16:7
   |
LL |     #[serde(untagged)]
   |       ^^^^^
   |
note: `serde` is imported here, but it is a crate, not an attribute
  --> $DIR/missing-derive-2.rs:5:1
   |
LL | extern crate serde;
   | ^^^^^^^^^^^^^^^^^^^
help: `serde` is an attribute that can be used by the derive macros `Serialize` and `Deserialize`, you might be missing a `derive` attribute
   |
LL + #[derive(Serialize, Deserialize)]
LL | enum B {
   |

Partially address #47608. This PR doesn't find macros that haven't yet been imported by name.

rustbot · 2024-12-28T03:17:59Z

r? @wesleywiser

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compiler/rustc_resolve/src/diagnostics.rs

wesleywiser · 2025-06-09T15:34:33Z

@bors r+ rollup

bors · 2025-06-09T15:34:35Z

📌 Commit b2f9a3f has been approved by wesleywiser

It is now in the queue for this repository.

estebank · 2025-06-09T19:31:26Z

@bors r=wesleywiser

bors · 2025-06-09T19:31:29Z

📌 Commit 3ed1787 has been approved by wesleywiser

It is now in the queue for this repository.

Look at proc-macro attributes when encountering unknown attribute ``` error: cannot find attribute `sede` in this scope --> $DIR/missing-derive-2.rs:22:7 | LL | #[sede(untagged)] | ^^^^ | help: the derive macros `Deserialize` and `Serialize` accept the similarly named `serde` attribute | LL | #[serde(untagged)] | + error: cannot find attribute `serde` in this scope --> $DIR/missing-derive-2.rs:16:7 | LL | #[serde(untagged)] | ^^^^^ | note: `serde` is imported here, but it is a crate, not an attribute --> $DIR/missing-derive-2.rs:5:1 | LL | extern crate serde; | ^^^^^^^^^^^^^^^^^^^ help: `serde` is an attribute that can be used by the derive macros `Serialize` and `Deserialize`, you might be missing a `derive` attribute | LL + #[derive(Serialize, Deserialize)] LL | enum B { | ``` Partially address rust-lang#47608. This PR doesn't find [macros that haven't yet been imported by name](rust-lang@af945cb).

Rollup of 13 pull requests Successful merges: - #134442 (Specify the behavior of `file!`) - #134841 (Look at proc-macro attributes when encountering unknown attribute) - #140372 (Exhaustively handle parsed attributes in CheckAttr) - #140766 (Stabilize keylocker) - #141061 (Change __rust_no_alloc_shim_is_unstable to be a function) - #142042 (Make E0621 missing lifetime suggestion verbose) - #142101 (core::ptr: deduplicate more method docs) - #142176 (tests: Split dont-shuffle-bswaps along opt-levels and arches) - #142258 (platform-support.md: Mention specific Linux kernel version or later) - #142260 (Miri subtree update) - #142262 (Mark `core::slice::memchr` as `#[doc(hidden)]`) - #142272 (tests: Change ABIs in tests to more future-resilient ones) - #142275 (rustdoc: Refractor `clean_ty_generics`) r? `@ghost` `@rustbot` modify labels: rollup

Look at proc-macro attributes when encountering unknown attribute ``` error: cannot find attribute `sede` in this scope --> $DIR/missing-derive-2.rs:22:7 | LL | #[sede(untagged)] | ^^^^ | help: the derive macros `Deserialize` and `Serialize` accept the similarly named `serde` attribute | LL | #[serde(untagged)] | + error: cannot find attribute `serde` in this scope --> $DIR/missing-derive-2.rs:16:7 | LL | #[serde(untagged)] | ^^^^^ | note: `serde` is imported here, but it is a crate, not an attribute --> $DIR/missing-derive-2.rs:5:1 | LL | extern crate serde; | ^^^^^^^^^^^^^^^^^^^ help: `serde` is an attribute that can be used by the derive macros `Serialize` and `Deserialize`, you might be missing a `derive` attribute | LL + #[derive(Serialize, Deserialize)] LL | enum B { | ``` Partially address rust-lang#47608. This PR doesn't find [macros that haven't yet been imported by name](rust-lang@af945cb).

Rollup of 12 pull requests Successful merges: - #134442 (Specify the behavior of `file!`) - #134841 (Look at proc-macro attributes when encountering unknown attribute) - #140372 (Exhaustively handle parsed attributes in CheckAttr) - #140766 (Stabilize keylocker) - #141061 (Change __rust_no_alloc_shim_is_unstable to be a function) - #142042 (Make E0621 missing lifetime suggestion verbose) - #142101 (core::ptr: deduplicate more method docs) - #142258 (platform-support.md: Mention specific Linux kernel version or later) - #142260 (Miri subtree update) - #142262 (Mark `core::slice::memchr` as `#[doc(hidden)]`) - #142272 (tests: Change ABIs in tests to more future-resilient ones) - #142275 (rustdoc: Refractor `clean_ty_generics`) r? `@ghost` `@rustbot` modify labels: rollup

Look at proc-macro attributes when encountering unknown attribute ``` error: cannot find attribute `sede` in this scope --> $DIR/missing-derive-2.rs:22:7 | LL | #[sede(untagged)] | ^^^^ | help: the derive macros `Deserialize` and `Serialize` accept the similarly named `serde` attribute | LL | #[serde(untagged)] | + error: cannot find attribute `serde` in this scope --> $DIR/missing-derive-2.rs:16:7 | LL | #[serde(untagged)] | ^^^^^ | note: `serde` is imported here, but it is a crate, not an attribute --> $DIR/missing-derive-2.rs:5:1 | LL | extern crate serde; | ^^^^^^^^^^^^^^^^^^^ help: `serde` is an attribute that can be used by the derive macros `Serialize` and `Deserialize`, you might be missing a `derive` attribute | LL + #[derive(Serialize, Deserialize)] LL | enum B { | ``` Partially address rust-lang#47608. This PR doesn't find [macros that haven't yet been imported by name](rust-lang@af945cb).

workingjubilee · 2025-06-11T08:46:41Z

@bors rollup=iffy

estebank · 2025-06-11T16:41:00Z

seems it still has problems?

I think there's another Vec<Symbol>::sort() that needs to be Vec<Symbol>::sort_by_key(|s| s.as_str()) in a different message :(

estebank · 2025-06-11T19:07:48Z

@bors r=wesleywiser

bors · 2025-06-11T19:07:50Z

📌 Commit 69a3122 has been approved by wesleywiser

It is now in the queue for this repository.

Look at proc-macro attributes when encountering unknown attribute ``` error: cannot find attribute `sede` in this scope --> $DIR/missing-derive-2.rs:22:7 | LL | #[sede(untagged)] | ^^^^ | help: the derive macros `Deserialize` and `Serialize` accept the similarly named `serde` attribute | LL | #[serde(untagged)] | + error: cannot find attribute `serde` in this scope --> $DIR/missing-derive-2.rs:16:7 | LL | #[serde(untagged)] | ^^^^^ | note: `serde` is imported here, but it is a crate, not an attribute --> $DIR/missing-derive-2.rs:5:1 | LL | extern crate serde; | ^^^^^^^^^^^^^^^^^^^ help: `serde` is an attribute that can be used by the derive macros `Serialize` and `Deserialize`, you might be missing a `derive` attribute | LL + #[derive(Serialize, Deserialize)] LL | enum B { | ``` Partially address #47608. This PR doesn't find [macros that haven't yet been imported by name](af945cb).

bors · 2025-06-11T20:52:54Z

⌛ Testing commit 69a3122 with merge b84566d...

bors · 2025-06-11T22:00:27Z

💔 Test failed - checks-actions

``` error: cannot find attribute `empty_helper` in this scope --> $DIR/derive-helper-legacy-limits.rs:17:3 | LL | #[empty_helper] | ^^^^^^^^^^^^ | help: `empty_helper` is an attribute that can be used by the derive macro `Empty`, you might be missing a `derive` attribute | LL + #[derive(Empty)] LL | struct S2; | ``` Look at proc-macro attributes when encountering unknown attribute ``` error: cannot find attribute `sede` in this scope --> src/main.rs:18:7 | 18 | #[sede(untagged)] | ^^^^ | help: the derive macros `Serialize` and `Deserialize` accept the similarly named `serde` attribute | 18 | #[serde(untagged)] | ~~~~~ error: cannot find attribute `serde` in this scope --> src/main.rs:12:7 | 12 | #[serde(untagged)] | ^^^^^ | = note: `serde` is in scope, but it is a crate, not an attribute help: `serde` is an attribute that can be used by the derive macros `Serialize` and `Deserialize`, you might be missing a `derive` attribute | 10 | #[derive(Serialize, Deserialize)] | ```

estebank · 2025-06-12T22:46:16Z

@bors r=wesleywiser

bors · 2025-06-12T22:46:19Z

📌 Commit 92a798d has been approved by wesleywiser

It is now in the queue for this repository.

bors · 2025-06-13T22:59:27Z

⌛ Testing commit 92a798d with merge d087f11...

bors · 2025-06-14T01:58:32Z

☀️ Test successful - checks-actions
Approved by: wesleywiser
Pushing d087f11 to master...

github-actions · 2025-06-14T02:01:06Z

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 8da6239 (parent) -> d087f11 (this PR)

Test differences

Show 14 test diffs

Stage 1

[ui] tests/ui/macros/missing-derive-1.rs: [missing] -> pass (J1)
[ui] tests/ui/macros/missing-derive-2.rs: [missing] -> pass (J1)
[ui] tests/ui/macros/missing-derive-3.rs: [missing] -> pass (J1)

Stage 2

[ui] tests/ui/macros/missing-derive-1.rs: [missing] -> pass (J0)
[ui] tests/ui/macros/missing-derive-2.rs: [missing] -> pass (J0)
[ui] tests/ui/macros/missing-derive-3.rs: [missing] -> pass (J0)

Additionally, 8 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 d087f112b7d1323446c7b39a8b616aee7fa56b3d --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-2: 5617.4s -> 3428.9s (-39.0%)
x86_64-apple-1: 8936.4s -> 6185.4s (-30.8%)
dist-aarch64-apple: 4604.1s -> 5629.0s (22.3%)
dist-apple-various: 7919.5s -> 6243.7s (-21.2%)
aarch64-apple: 5190.8s -> 4330.2s (-16.6%)
dist-x86_64-apple: 9236.5s -> 7706.6s (-16.6%)
mingw-check-2: 2231.2s -> 1885.4s (-15.5%)
i686-gnu-1: 8471.4s -> 7221.1s (-14.8%)
mingw-check-1: 1961.5s -> 1677.9s (-14.5%)
i686-gnu-2: 6253.9s -> 5391.9s (-13.8%)

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 · 2025-06-14T03:47:24Z

Finished benchmarking commit (d087f11): comparison URL.

Overall result: ❌ regressions - 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)	0.2%	[0.1%, 0.3%]	3
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-	-	0
All ❌✅ (primary)	-	-	0

Max RSS (memory usage)

Results (primary 2.1%, 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)	2.1%	[2.1%, 2.1%]	1
Regressions ❌ (secondary)	2.8%	[2.4%, 3.3%]	4
Improvements ✅ (primary)	-	-	0
Improvements ✅ (secondary)	-2.7%	[-3.2%, -2.1%]	3
All ❌✅ (primary)	2.1%	[2.1%, 2.1%]	1

Cycles

Results (secondary -6.7%)

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
Improvements ✅ (secondary)	-6.7%	[-6.8%, -6.6%]	3
All ❌✅ (primary)	-	-	0

Binary size

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

Bootstrap: 756.284s -> 757.156s (0.12%)
Artifact size: 372.34 MiB -> 372.29 MiB (-0.01%)

To prepare for merging from rust-lang/rust, set the version file to: d087f11 Auto merge of rust-lang#134841 - estebank:serde-attr-4, r=wesleywiser

rustbot assigned wesleywiser Dec 28, 2024

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workingjubilee mentioned this pull request Jun 10, 2025

Rollup of 13 pull requests #142278

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Rollup of 12 pull requests #142283

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fmease mentioned this pull request Jun 10, 2025

Rollup of 14 pull requests #142290

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estebank force-pushed the serde-attr-4 branch from 1cc4d35 to 69a3122 Compare June 11, 2025 16:55

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estebank force-pushed the serde-attr-4 branch from 69a3122 to 3c96a90 Compare June 12, 2025 21:00

estebank force-pushed the serde-attr-4 branch from 3c96a90 to 92a798d Compare June 12, 2025 21:28

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 Jun 12, 2025

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

bors merged commit d087f11 into rust-lang:master Jun 14, 2025
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rustbot added this to the 1.89.0 milestone Jun 14, 2025

estebank mentioned this pull request Jun 14, 2025

Detect missing derive on unresolved attribute even when not imported #142487

Open

tgross35 added a commit to tgross35/rust that referenced this pull request Jun 14, 2025

Update the upstream Rust version

c629d85

To prepare for merging from rust-lang/rust, set the version file to: d087f11 Auto merge of rust-lang#134841 - estebank:serde-attr-4, r=wesleywiser

Look at proc-macro attributes when encountering unknown attribute #134841

Look at proc-macro attributes when encountering unknown attribute #134841

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Test differences

Stage 1

Stage 2

Job duration changes

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rust-timer commented Jun 14, 2025

Overall result: ❌ regressions - no action needed

Instruction count

Max RSS (memory usage)

Cycles

Binary size

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estebank commented Dec 28, 2024 •

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