| warning: the feature `const_generics` is incomplete and may cause the compiler to crash | |
| --> $DIR/generic_params.rs:6:37 | |
| | | |
| LL | #![feature(decl_macro, rustc_attrs, const_generics)] | |
| | ^^^^^^^^^^^^^^ | |
| | | |
| = note: `#[warn(incomplete_features)]` on by default | |