error: lifetime may not live long enough --> $DIR/issue-50716.rs:14:14 | LL | fn foo<'a, T: 'static>(s: Box<<&'a T as A>::X>) | -- lifetime `'a` defined here ... LL | let _x = *s; | ^^ proving this value is `Sized` requires that `'a` must outlive `'static` error: aborting due to 1 previous error