| warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/specialization-polarity.rs:5:12 |
| | |
| LL | #![feature(specialization)] |
| | ^^^^^^^^^^^^^^ |
| | |
| = note: `#[warn(incomplete_features)]` on by default |
| = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information |
| |
| error[E0751]: found both positive and negative implementation of trait `Foo` for type `u8`: |
| --> $DIR/specialization-polarity.rs:10:1 |
| | |
| LL | impl<T> Foo for T {} |
| | ----------------- positive implementation here |
| LL | impl !Foo for u8 {} |
| | ^^^^^^^^^^^^^^^^ negative implementation here |
| |
| error[E0751]: found both positive and negative implementation of trait `Bar` for type `u8`: |
| --> $DIR/specialization-polarity.rs:15:1 |
| | |
| LL | impl<T> !Bar for T {} |
| | ------------------ negative implementation here |
| LL | impl Bar for u8 {} |
| | ^^^^^^^^^^^^^^^ positive implementation here |
| |
| error: aborting due to 2 previous errors; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0751`. |
