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warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/negative-default-impls.rs:2:12
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LL | #![feature(specialization)]
| ^^^^^^^^^^^^^^
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= note: `#[warn(incomplete_features)]` on by default
= note: see issue #31844 <https://github.com/rust-lang/rust/issues/31844> for more information
error[E0750]: negative impls cannot be default impls
--> $DIR/negative-default-impls.rs:9:1
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LL | default impl !MyTrait for u32 {}
| ^^^^^^^ ^
error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0750`.
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