| error: `derive` may only be applied to structs, enums and unions | |
| --> $DIR/issue-36617.rs:11:1 | |
| | | |
| LL | #![derive(Copy)] //~ ERROR `derive` may only be applied to structs, enums and unions | |
| | ^^^^^^^^^^^^^^^^ help: try an outer attribute: `#[derive(Copy)]` | |
| error: aborting due to previous error | |