error[E0506]: cannot assign to `x` because it is borrowed --> $DIR/maybe-initialized-drop-implicit-fragment-drop.rs:17:5 | LL | let wrap = Wrap { p: &mut x }; | ------ borrow of `x` occurs here ... LL | x = 1; | ^^^^^ assignment to borrowed `x` occurs here LL | // FIXME ^ Should not error in the future with implicit dtors, only manually implemented ones LL | } | - borrow might be used here, when `foo` is dropped and runs the destructor for type `Foo<'_>` error: aborting due to previous error For more information about this error, try `rustc --explain E0506`.