1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
warning: the feature `dyn_star` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/no-unsize-coerce-dyn-trait.rs:1:12
|
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[E0308]: mismatched types
--> $DIR/no-unsize-coerce-dyn-trait.rs:11:26
|
LL | let y: Box<dyn* B> = x;
| ----------- ^ expected trait `B`, found trait `A`
| |
| expected due to this
|
= note: expected struct `Box<dyn* B>`
found struct `Box<dyn* A>`
error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0308`.
|
