| error[E0119]: conflicting implementations of trait `Bar` for type `()` | |
| --> $DIR/dont-drop-upcast-candidate.rs:10:1 | |
| | | |
| LL | impl<T> Bar for T where dyn Foo: Unsize<dyn Bar> {} | |
| | ------------------------------------------------ first implementation here | |
| LL | impl Bar for () {} | |
| | ^^^^^^^^^^^^^^^ conflicting implementation for `()` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0119`. |