error: to use `strict_coherence` on this trait, the `with_negative_coherence` feature must be enabled | |
--> $DIR/strict-coherence-needs-negative-coherence.rs:4:1 | |
| | |
LL | #[rustc_strict_coherence] | |
| ------------------------- due to this attribute | |
LL | trait Foo {} | |
| ^^^^^^^^^ | |
error: aborting due to 1 previous error | |