| warning: the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/upcast.rs:3:12 |
| | |
| LL | #![feature(dyn_star, trait_upcasting)] |
| | ^^^^^^^^ |
| | |
| = note: see issue #102425 <https://github.com/rust-lang/rust/issues/102425> for more information |
| = note: `#[warn(incomplete_features)]` on by default |
| |
| error[E0277]: `dyn* Foo` needs to have the same ABI as a pointer |
| --> $DIR/upcast.rs:30:23 |
| | |
| LL | let w: dyn* Bar = w; |
| | ^ `dyn* Foo` needs to be a pointer-like type |
| | |
| = help: the trait `PointerLike` is not implemented for `dyn* Foo` |
| |
| error: aborting due to 1 previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0277`. |
