error[E0716]: temporary value dropped while borrowed --> $DIR/regions-close-over-borrowed-ref-in-obj.rs:12:27 | LL | let ss: &isize = &id(1); | ^^^^^ creates a temporary value which is freed while still in use ... LL | } | - temporary value is freed at the end of this statement LL | } | - borrow might be used here, when `blah` is dropped and runs the destructor for type `Box` | = note: consider using a `let` binding to create a longer lived value error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0716`.