1 error[E0277]: the trait bound `Error: Hash` is not satisfied
2 --> $DIR/derives-span-Hash-struct.rs:8:5
5 | ---- in this derive macro expansion
8 | ^^^^^^^^ the trait `Hash` is not implemented for `Error`
10 = note: this error originates in the derive macro `Hash` (in Nightly builds, run with -Z macro-backtrace for more info)
11 help: consider annotating `Error` with `#[derive(Hash)]`
16 error: aborting due to previous error
18 For more information about this error, try `rustc --explain E0277`.