error[E0277]: the trait bound `impl Trait<<u32 as std::ops::Add>::Output>: Trait<u32>` is not satisfied
  --> $DIR/issue-58344.rs:42:13
   |
LL | ) -> Either<impl Trait<<u32 as Add<u32>>::Output>, impl Trait<<u32 as Add<u32>>::Output>> {
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait<u32>` is not implemented for `impl Trait<<u32 as std::ops::Add>::Output>`
   |
   = note: the return type of a function must have a statically known size

error[E0277]: the trait bound `impl Trait<<u32 as std::ops::Add>::Output>: Trait<u32>` is not satisfied
  --> $DIR/issue-58344.rs:42:52
   |
LL | ) -> Either<impl Trait<<u32 as Add<u32>>::Output>, impl Trait<<u32 as Add<u32>>::Output>> {
   |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `Trait<u32>` is not implemented for `impl Trait<<u32 as std::ops::Add>::Output>`
   |
   = 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`.