error: `impl Trait` can only mention lifetimes bound at the fn or impl level --> $DIR/universal_wrong_hrtb.rs:5:73 | LL | fn test_argument_position(x: impl for<'a> Trait<'a, Assoc = impl Copy + 'a>) {} | ^^ | note: lifetime declared here --> $DIR/universal_wrong_hrtb.rs:5:39 | LL | fn test_argument_position(x: impl for<'a> Trait<'a, Assoc = impl Copy + 'a>) {} | ^^ error: aborting due to previous error