warning: the feature `impl_trait_in_bindings` is incomplete and may cause the compiler to crash | |
--> $DIR/impl-trait-in-bindings.rs:3:12 | |
| | |
LL | #![feature(impl_trait_in_bindings)] | |
| ^^^^^^^^^^^^^^^^^^^^^^ | |
| | |
= note: `#[warn(incomplete_features)]` on by default | |