src/test/ui/derives/derives-span-Eq-tuple-struct.stderr

   1 error[E0277]: the trait bound `Error: std::cmp::Eq` is not satisfied
   2   --> $DIR/derives-span-Eq-tuple-struct.rs:9:5
   3    |
   4 LL |     Error
   5    |     ^^^^^ the trait `std::cmp::Eq` is not implemented for `Error`
   6    |
   7    = note: required by `std::cmp::AssertParamIsEq`
   8
   9 error: aborting due to previous error
  10
  11 For more information about this error, try `rustc --explain E0277`.