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warning: the feature `impl_trait_in_bindings` is incomplete and may cause the compiler to crash
--> $DIR/bound-normalization-fail.rs:4:12
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LL | #![feature(impl_trait_in_bindings)]
| ^^^^^^^^^^^^^^^^^^^^^^
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= note: `#[warn(incomplete_features)]` on by default
error[E0271]: type mismatch resolving `<Foo<()> as FooLike>::Output == <T as impl_trait::Trait>::Assoc`
--> $DIR/bound-normalization-fail.rs:27:32
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LL | fn foo_fail<T: Trait>() -> impl FooLike<Output=T::Assoc> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type
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= note: expected type `()`
found associated type `<T as impl_trait::Trait>::Assoc`
= note: consider constraining the associated type `<T as impl_trait::Trait>::Assoc` to `()`
= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
= note: the return type of a function must have a statically known size
error: `impl Trait` return type cannot contain a projection or `Self` that references lifetimes from a parent scope
--> $DIR/bound-normalization-fail.rs:43:41
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LL | fn foo2_fail<'a, T: Trait<'a>>() -> impl FooLike<Output=T::Assoc> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
error[E0271]: type mismatch resolving `<Foo<()> as FooLike>::Output == <T as lifetimes::Trait<'static>>::Assoc`
--> $DIR/bound-normalization-fail.rs:43:41
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LL | fn foo2_fail<'a, T: Trait<'a>>() -> impl FooLike<Output=T::Assoc> {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `()`, found associated type
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= note: expected type `()`
found associated type `<T as lifetimes::Trait<'static>>::Assoc`
= note: consider constraining the associated type `<T as lifetimes::Trait<'static>>::Assoc` to `()`
= note: for more information, visit https://doc.rust-lang.org/book/ch19-03-advanced-traits.html
= note: the return type of a function must have a statically known size
error: aborting due to 3 previous errors; 1 warning emitted
For more information about this error, try `rustc --explain E0271`.
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