1 error: cannot find derive macro `Unresolved` in this scope
2 --> $DIR/deduplicate-diagnostics.rs:4:10
4 LL | #[derive(Unresolved)]
7 error: cannot find derive macro `Unresolved` in this scope
8 --> $DIR/deduplicate-diagnostics.rs:4:10
10 LL | #[derive(Unresolved)]
13 error: aborting due to 2 previous errors