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warning: the feature `specialization` is incomplete and may not be safe to use and/or cause compiler crashes
--> $DIR/specialization-overlap-negative.rs:2:12
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LL | #![feature(specialization)]
| ^^^^^^^^^^^^^^
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= 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[E0751]: found both positive and negative implementation of trait `Send` for type `TestType<_>`:
--> $DIR/specialization-overlap-negative.rs:9:1
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LL | unsafe impl<T: Clone> Send for TestType<T> {}
| ------------------------------------------ positive implementation here
LL | impl<T: MyTrait> !Send for TestType<T> {}
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ negative implementation here
error[E0367]: `!Send` impl requires `T: MyTrait` but the struct it is implemented for does not
--> $DIR/specialization-overlap-negative.rs:9:9
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LL | impl<T: MyTrait> !Send for TestType<T> {}
| ^^^^^^^
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note: the implementor must specify the same requirement
--> $DIR/specialization-overlap-negative.rs:6:1
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LL | struct TestType<T>(::std::marker::PhantomData<T>);
| ^^^^^^^^^^^^^^^^^^
error: aborting due to 2 previous errors; 1 warning emitted
Some errors have detailed explanations: E0367, E0751.
For more information about an error, try `rustc --explain E0367`.
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