| warning: `#[derive]` does nothing on macro invocations |
| --> $DIR/issue-49934.rs:30:5 |
| | |
| LL | #[derive(Debug)] |
| | ^^^^^^^^^^^^^^^^ |
| | |
| = note: this may become a hard error in a future release |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:16:8 |
| | |
| LL | fn foo<#[derive(Debug)] T>() { //~ WARN unused attribute |
| | ^^^^^^^^^^^^^^^^ |
| | |
| note: lint level defined here |
| --> $DIR/issue-49934.rs:14:9 |
| | |
| LL | #![warn(unused_attributes)] //~ NOTE lint level defined here |
| | ^^^^^^^^^^^^^^^^^ |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:18:9 |
| | |
| LL | #[derive(Debug)] //~ WARN unused attribute |
| | ^^^^^^^^^^^^^^^^ |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:36:5 |
| | |
| LL | #[derive(Debug)] //~ WARN unused attribute |
| | ^^^^^^^^^^^^^^^^ |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:40:5 |
| | |
| LL | #[derive(Debug)] //~ WARN unused attribute |
| | ^^^^^^^^^^^^^^^^ |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:44:13 |
| | |
| LL | let _ = #[derive(Debug)] "Hello, world!"; |
| | ^^^^^^^^^^^^^^^^ |
| |
| warning: unused attribute |
| --> $DIR/issue-49934.rs:49:9 |
| | |
| LL | #[derive(Debug)] //~ WARN unused attribute |
| | ^^^^^^^^^^^^^^^^ |
| |