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

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