| error[E0119]: conflicting implementations of trait `Foo<_>` for type `std::option::Option<_>`: |
| --> $DIR/coherence-projection-conflict-ty-param.rs:14:1 |
| | |
| LL | impl <P, T: Foo<P>> Foo<P> for Option<T> {} |
| | ---------------------------------------- first implementation here |
| LL | |
| LL | impl<T, U> Foo<T> for Option<U> { } |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ conflicting implementation for `std::option::Option<_>` |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0119`. |