rust/tests/ui/kindck/kindck-inherited-copy-bound.object_safe_for_dispatch.stderr

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error[E0277]: the trait bound `Box<{integer}>: Copy` is not satisfied
--> $DIR/kindck-inherited-copy-bound.rs:21:16
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|
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LL | take_param(&x);
| ---------- ^^ the trait `Copy` is not implemented for `Box<{integer}>`
| |
| required by a bound introduced by this call
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|
note: required for `Box<{integer}>` to implement `Foo`
--> $DIR/kindck-inherited-copy-bound.rs:14:14
|
LL | impl<T:Copy> Foo for T {
| ---- ^^^ ^
| |
| unsatisfied trait bound introduced here
note: required by a bound in `take_param`
--> $DIR/kindck-inherited-copy-bound.rs:17:17
|
LL | fn take_param<T:Foo>(foo: &T) { }
| ^^^ required by this bound in `take_param`
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error[E0038]: the trait `Foo` cannot be made into an object
--> $DIR/kindck-inherited-copy-bound.rs:28:13
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|
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LL | let z = &x as &dyn Foo;
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| ^^ `Foo` cannot be made into an object
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|
note: for a trait to be "object safe" it needs to allow building a vtable to allow the call to be resolvable dynamically; for more information visit <https://doc.rust-lang.org/reference/items/traits.html#object-safety>
--> $DIR/kindck-inherited-copy-bound.rs:10:13
|
LL | trait Foo : Copy {
| --- ^^^^ ...because it requires `Self: Sized`
| |
| this trait cannot be made into an object...
= note: required for `&Box<i32>` to implement `CoerceUnsized<&dyn Foo>`
= note: required by cast to type `&dyn Foo`
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error: aborting due to 2 previous errors
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Some errors have detailed explanations: E0038, E0277.
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For more information about an error, try `rustc --explain E0038`.