1 error[E0277]: the size for values of type `(dyn A + 'static)` cannot be known at compilation time
2 --> $DIR/issue-5883.rs:8:5
4 LL | r: dyn A + 'static
5 | ^ doesn't have a size known at compile-time
7 = help: the trait `Sized` is not implemented for `(dyn A + 'static)`
8 = help: unsized fn params are gated as an unstable feature
9 help: function arguments must have a statically known size, borrowed types always have a known size
11 LL | r: &dyn A + 'static
14 error[E0277]: the size for values of type `(dyn A + 'static)` cannot be known at compilation time
15 --> $DIR/issue-5883.rs:9:6
18 | ^^^^^^ doesn't have a size known at compile-time
20 | --------------- this returned value is of type `Struct`
22 = help: within `Struct`, the trait `Sized` is not implemented for `(dyn A + 'static)`
23 note: required because it appears within the type `Struct`
24 --> $DIR/issue-5883.rs:3:8
28 = note: the return type of a function must have a statically known size
30 error: aborting due to 2 previous errors
32 For more information about this error, try `rustc --explain E0277`.