src/test/ui/derives/derives-span-Debug-enum.stderr

   1 error[E0277]: `Error` doesn't implement `Debug`
   2   --> $DIR/derives-span-Debug-enum.rs:9:6
   3    |
   4 LL |      Error
   5    |      ^^^^^ `Error` cannot be formatted using `{:?}`
   6    |
   7    = help: the trait `Debug` is not implemented for `Error`
   8    = note: add `#[derive(Debug)]` or manually implement `Debug`
   9    = note: required because of the requirements on the impl of `Debug` for `&Error`
  10    = note: required for the cast to the object type `dyn Debug`
  11    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
  12
  13 error: aborting due to previous error
  14
  15 For more information about this error, try `rustc --explain E0277`.