| warning: the feature `non_lifetime_binders` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/supertrait-dyn-compatibility.rs:2:12 |
| | |
| LL | #![feature(non_lifetime_binders)] |
| | ^^^^^^^^^^^^^^^^^^^^ |
| | |
| = note: see issue #108185 <https://github.com/rust-lang/rust/issues/108185> for more information |
| = note: `#[warn(incomplete_features)]` on by default |
| |
| error[E0038]: the trait `Foo` is not dyn compatible |
| --> $DIR/supertrait-dyn-compatibility.rs:22:17 |
| | |
| LL | let x: &dyn Foo = &(); |
| | ^^^ `Foo` is not dyn compatible |
| | |
| note: for a trait to be dyn compatible it needs to allow building a vtable |
| for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility> |
| --> $DIR/supertrait-dyn-compatibility.rs:7:12 |
| | |
| LL | trait Foo: for<T> Bar<T> {} |
| | --- ^^^^^^^^^^^^^ ...because where clause cannot reference non-lifetime `for<...>` variables |
| | | |
| | this trait is not dyn compatible... |
| = help: only type `()` implements `Foo`; consider using it directly instead. |
| |
| error: aborting due to 1 previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0038`. |
