error[E0277]: the trait bound `Bar: Copy` is not satisfied
  --> $DIR/migrate-fail.rs:11:38
   |
LL |         let arr: [Option<Bar>; 2] = [x; 2];
   |                                      ^ the trait `Copy` is not implemented for `Bar`, which is required by `Option<Bar>: Copy`
   |
   = note: required for `Option<Bar>` to implement `Copy`
   = note: the `Copy` trait is required because this value will be copied for each element of the array
   = help: consider using `core::array::from_fn` to initialize the array
   = help: see https://doc.rust-lang.org/stable/std/array/fn.from_fn.html for more information
help: consider annotating `Bar` with `#[derive(Copy)]`
   |
LL + #[derive(Copy)]
LL | struct Bar;
   |

error[E0277]: the trait bound `Bar: Copy` is not satisfied
  --> $DIR/migrate-fail.rs:17:38
   |
LL |         let arr: [Option<Bar>; 2] = [x; 2];
   |                                      ^ the trait `Copy` is not implemented for `Bar`, which is required by `Option<Bar>: Copy`
   |
   = note: required for `Option<Bar>` to implement `Copy`
   = note: the `Copy` trait is required because this value will be copied for each element of the array
   = help: consider using `core::array::from_fn` to initialize the array
   = help: see https://doc.rust-lang.org/stable/std/array/fn.from_fn.html for more information
help: consider annotating `Bar` with `#[derive(Copy)]`
   |
LL + #[derive(Copy)]
LL | struct Bar;
   |

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0277`.