| error[E0119]: conflicting implementations of trait `Bar` for type `Box<_>` |
| --> $DIR/negative-coherence-check-placeholder-outlives.rs:11:1 |
| | |
| LL | impl<T> Bar for T where T: Foo {} |
| | ------------------------------ first implementation here |
| LL | impl<T> Bar for Box<T> {} |
| | ^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `Box<_>` |
| | |
| = note: downstream crates may implement trait `Foo` for type `std::boxed::Box<_>` |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0119`. |
