error: generic parameters may not be used in const operations --> $DIR/forbid-non-static-lifetimes.rs:7:22 | LL | test::<{ let _: &'a (); 3 },>(); | ^^ cannot perform const operation using `'a` | = note: lifetime parameters may not be used in const expressions = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions error: generic parameters may not be used in const operations --> $DIR/forbid-non-static-lifetimes.rs:21:16 | LL | [(); (|_: &'a u8| (), 0).1]; | ^^ cannot perform const operation using `'a` | = note: lifetime parameters may not be used in const expressions = help: add `#![feature(generic_const_exprs)]` to allow generic const expressions error: aborting due to 2 previous errors