1 error[E0597]: `*b` does not live long enough
2 --> $DIR/regions-trait-variance.rs:47:19
4 LL | let bb: &B = &*b; //~ ERROR `*b` does not live long enough
5 | ^^ borrowed value does not live long enough
8 | - borrowed value only lives until here
10 note: borrowed value must be valid for the lifetime 'a as defined on the function body at 43:16...
11 --> $DIR/regions-trait-variance.rs:43:16
13 LL | fn make_make_a<'a>() -> A<'a> {
16 error: aborting due to previous error
18 For more information about this error, try `rustc --explain E0597`.