error: lifetime may not live long enough --> $DIR/issue-52113.rs:30:9 | LL | fn produce_err<'a, 'b: 'a>(data: &'b mut Vec<&'b u32>, value: &'a u32) -> impl Bazinga + 'b { | -- -- lifetime `'b` defined here | | | lifetime `'a` defined here ... LL | data.push(value); | ^^^^^^^^^^^^^^^^ argument requires that `'a` must outlive `'b` | = help: consider adding the following bound: `'a: 'b` error: aborting due to 1 previous error