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+error[E0038]: the trait `Array` cannot be made into an object
+ --> $DIR/issue-20692.rs:7:5
+ |
+LL | &dyn Array;
+ | ^^^^^^^^^^ `Array` cannot be made into an object
+ |
+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/issue-20692.rs:1:14
+ |
+LL | trait Array: Sized + Copy {}
+ | ----- ^^^^^ ^^^^ ...because it requires `Self: Sized`
+ | | |
+ | | ...because it requires `Self: Sized`
+ | this trait cannot be made into an object...
+
+error[E0038]: the trait `Array` cannot be made into an object
+ --> $DIR/issue-20692.rs:4:13
+ |
+LL | let _ = x
+ | ^ `Array` cannot be made into an object
+ |
+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/issue-20692.rs:1:14
+ |
+LL | trait Array: Sized + Copy {}
+ | ----- ^^^^^ ^^^^ ...because it requires `Self: Sized`
+ | | |
+ | | ...because it requires `Self: Sized`
+ | this trait cannot be made into an object...
+ = note: required because of the requirements on the impl of `CoerceUnsized<&dyn Array>` for `&T`
+ = note: required by cast to type `&dyn Array`
+
+error: aborting due to 2 previous errors
+
+For more information about this error, try `rustc --explain E0038`.