error[E0308]: mismatched types --> $DIR/point-to-type-err-cause-on-impl-trait-return-2.rs:9:41 | LL | let value: &bool = unsafe { &42 }; | ^^^ expected `&bool`, found `&{integer}` | = note: expected reference `&bool` found reference `&{integer}` error: aborting due to previous error For more information about this error, try `rustc --explain E0308`.