1 error: lifetime may not live long enough
2 --> $DIR/issue-16683.rs:4:9
5 | -- lifetime `'a` defined here
6 LL | fn a(&'a self) -> &'a bool;
8 | - let's call the lifetime of this reference `'1`
10 | ^^^^^^^^ argument requires that `'1` must outlive `'a`
12 error: aborting due to previous error