| error[E0119]: conflicting implementations of trait `std::ops::Deref` for type `&_`: |
| --> $DIR/issue-28981.rs:15:1 |
| | |
| LL | impl<Foo> Deref for Foo { } //~ ERROR must be used |
| | ^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: conflicting implementation in crate `core`: |
| - impl<'_, T> std::ops::Deref for &T |
| where T: ?Sized; |
| |
| error[E0210]: type parameter `Foo` must be used as the type parameter for some local type (e.g. `MyStruct<Foo>`) |
| --> $DIR/issue-28981.rs:15:1 |
| | |
| LL | impl<Foo> Deref for Foo { } //~ ERROR must be used |
| | ^^^^^^^^^^^^^^^^^^^^^^^ type parameter `Foo` must be used as the type parameter for some local type |
| | |
| = note: only traits defined in the current crate can be implemented for a type parameter |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors occurred: E0119, E0210. |
| For more information about an error, try `rustc --explain E0119`. |
