1 warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
2 --> $DIR/specialization-default-methods.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 warning: 1 warning emitted