error: lifetime may not live long enough --> $DIR/issue-52742.rs:12:9 | LL | fn take_bar(&mut self, b: Bar<'_>) { | --------- - has type `Bar<'1>` | | | has type `&mut Foo<'_, '2>` LL | self.y = b.z | ^^^^^^^^^^^^ assignment requires that `'1` must outlive `'2` error: aborting due to 1 previous error