warning: the feature `generic_const_exprs` is incomplete and may not be safe to use and/or cause compiler crashes --> $DIR/escaping-bound-var.rs:1:12 | LL | #![feature(generic_const_exprs)] | ^^^^^^^^^^^^^^^^^^^ | = note: see issue #76560 for more information = note: `#[warn(incomplete_features)]` on by default error: cannot capture late-bound lifetime in constant --> $DIR/escaping-bound-var.rs:7:13 | LL | fn test<'a>( | -- lifetime defined here ... LL | let x: &'a (); | ^^ error: aborting due to previous error; 1 warning emitted