1 warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
2 --> $DIR/issue-87429-specialization.rs:3:12
4 LL | #![feature(specialization)]
7 = note: `#[warn(incomplete_features)]` on by default
8 = note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
9 = help: consider using `min_specialization` instead, which is more stable and complete
11 error[E0277]: can't compare `Foo` with `Foo`
12 --> $DIR/issue-87429-specialization.rs:21:5
14 LL | type Member<'a>: for<'b> PartialEq<Self::Member<'b>>;
15 | ----------------------------------- required by this bound in `Family::Member`
17 LL | default type Member<'a> = Foo;
18 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no implementation for `Foo == Foo`
20 = help: the trait `PartialEq` is not implemented for `Foo`
22 error: aborting due to previous error; 1 warning emitted
24 For more information about this error, try `rustc --explain E0277`.