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rust/src/test/ui/issues/issue-49934.stderr

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Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
warning: `#[derive]` does nothing on macro invocations
Resolve attributes in several places Arm, Field, FieldPat, GenericParam, Param, StructField and Variant
2019-09-09 07:26:25 -05:00
--> $DIR/issue-49934.rs:13:5
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
|
LL | #[derive(Debug)]
| ^^^^^^^^^^^^^^^^
|
= note: this may become a hard error in a future release
warning: unused attribute
Resolve attributes in several places Arm, Field, FieldPat, GenericParam, Param, StructField and Variant
2019-09-09 07:26:25 -05:00
--> $DIR/issue-49934.rs:19:5
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
|
Resolve attributes in several places Arm, Field, FieldPat, GenericParam, Param, StructField and Variant
2019-09-09 07:26:25 -05:00
LL | #[derive(Debug)]
| ^^^^^^^^^^^^^^^^
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
|
Normalise notes with the/is
2020-01-22 17:57:38 -06:00
note: the lint level is defined here
Remove licenses
2018-12-25 09:56:47 -06:00
--> $DIR/issue-49934.rs:4:9
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
|
Update tests
2019-03-09 06:03:44 -06:00
LL | #![warn(unused_attributes)]
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
| ^^^^^^^^^^^^^^^^^
warning: unused attribute
Resolve attributes in several places Arm, Field, FieldPat, GenericParam, Param, StructField and Variant
2019-09-09 07:26:25 -05:00
--> $DIR/issue-49934.rs:23:5
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
|
Update tests
2019-03-09 06:03:44 -06:00
LL | #[derive(Debug)]
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
| ^^^^^^^^^^^^^^^^
warning: unused attribute
Resolve attributes in several places Arm, Field, FieldPat, GenericParam, Param, StructField and Variant
2019-09-09 07:26:25 -05:00
--> $DIR/issue-49934.rs:27:13
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
|
LL | let _ = #[derive(Debug)] "Hello, world!";
| ^^^^^^^^^^^^^^^^
warning: unused attribute
Resolve attributes in several places Arm, Field, FieldPat, GenericParam, Param, StructField and Variant
2019-09-09 07:26:25 -05:00
--> $DIR/issue-49934.rs:32:9
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
|
Update tests
2019-03-09 06:03:44 -06:00
LL | #[derive(Debug)]
Warn on pointless `#[derive]` in more places This fixes the regression in #49934 and ensures that unused `#[derive]`s on statements, expressions and generic type parameters survive to trip the `unused_attributes` lint. For `#[derive]` on macro invocations it has a hardcoded warning since linting occurs after expansion. This also adds regression testing for some nodes that were already warning properly. closes #49934
2018-04-18 01:19:21 -05:00
| ^^^^^^^^^^^^^^^^
rustc: Add a warning count upon completion
2020-03-11 10:30:09 -05:00
warning: 5 warnings emitted
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