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