| error: `derive` may only be applied to structs, enums and unions | |
| --> $DIR/issue-43927-non-ADT-derive.rs:3:1 | |
| | | |
| LL | #![derive(Debug, PartialEq, Eq)] // should be an outer attribute! | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try an outer attribute: `#[derive(Debug, PartialEq, Eq)]` | |
| error: aborting due to previous error | |