LL | #![feature(specialization)]
| ^^^^^^^^^^^^^^
|
- = note: `#[warn(incomplete_features)]` on by default
= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
= help: consider using `min_specialization` instead, which is more stable and complete
+ = note: `#[warn(incomplete_features)]` on by default
error[E0750]: negative impls cannot be default impls
--> $DIR/negative-default-impls.rs:9:1