| warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes |
| --> $DIR/specialization-unconstrained.rs:3:12 |
| | |
| LL | #![feature(specialization)] |
| | ^^^^^^^^^^^^^^ |
| | |
| = 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[E0284]: type annotations needed: cannot satisfy `<u32 as Default>::Id normalizes-to ()` |
| --> $DIR/specialization-unconstrained.rs:20:5 |
| | |
| LL | test::<u32, ()>(); |
| | ^^^^^^^^^^^^^^^^^ cannot satisfy `<u32 as Default>::Id normalizes-to ()` |
| | |
| note: required by a bound in `test` |
| --> $DIR/specialization-unconstrained.rs:17:20 |
| | |
| LL | fn test<T: Default<Id = U>, U>() {} |
| | ^^^^^^ required by this bound in `test` |
| |
| error: aborting due to 1 previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0284`. |
