error[E0038]: the trait `Array` is not dyn compatible
  --> $DIR/issue-20692.rs:6:10
   |
LL |     &dyn Array;
   |          ^^^^^ `Array` is not dyn compatible
   |
note: for a trait to be dyn compatible it needs to allow building a vtable
      for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
  --> $DIR/issue-20692.rs:1:14
   |
LL | trait Array: Sized + Copy {}
   |       -----  ^^^^^   ^^^^ ...because it requires `Self: Sized`
   |       |      |
   |       |      ...because it requires `Self: Sized`
   |       this trait is not dyn compatible...

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0038`.