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