1 error[E0277]: the trait bound `Error: Eq` is not satisfied
2 --> $DIR/derives-span-Eq-enum.rs:9:6
4 LL | #[derive(Eq,PartialEq)]
5 | -- in this derive macro expansion
8 | ^^^^^ the trait `Eq` is not implemented for `Error`
10 note: required by a bound in `AssertParamIsEq`
11 --> $SRC_DIR/core/src/cmp.rs:LL:COL
13 LL | pub struct AssertParamIsEq<T: Eq + ?Sized> {
14 | ^^ required by this bound in `AssertParamIsEq`
15 = note: this error originates in the derive macro `Eq` (in Nightly builds, run with -Z macro-backtrace for more info)
16 help: consider annotating `Error` with `#[derive(Eq)]`
21 error: aborting due to previous error
23 For more information about this error, try `rustc --explain E0277`.