| warning: `#[derive]` does nothing on macro invocations |
| --> $DIR/issue-49934.rs:13:5 |
| | |
| LL | #[derive(Debug)] |
| | ^^^^^^^^^^^^^^^^ |
| | |
| = note: this may become a hard error in a future release |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:19:5 |
| | |
| LL | #[derive(Debug)] |
| | ^^^^^^^^^^^^^^^^ |
| | |
| note: lint level defined here |
| --> $DIR/issue-49934.rs:4:9 |
| | |
| LL | #![warn(unused_attributes)] |
| | ^^^^^^^^^^^^^^^^^ |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:23:5 |
| | |
| LL | #[derive(Debug)] |
| | ^^^^^^^^^^^^^^^^ |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:27:13 |
| | |
| LL | let _ = #[derive(Debug)] "Hello, world!"; |
| | ^^^^^^^^^^^^^^^^ |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:32:9 |
| | |
| LL | #[derive(Debug)] |
| | ^^^^^^^^^^^^^^^^ |
| |