error[E0716]: temporary value dropped while borrowed --> $DIR/slice-borrow.rs:6:28 | LL | let x: &[isize] = &vec![1, 2, 3, 4, 5]; | ^^^^^^^^^^^^^^^^^^^ creates a temporary value which is freed while still in use ... LL | } | - temporary value is freed at the end of this statement LL | y.use_ref(); | - borrow later used here | = note: consider using a `let` binding to create a longer lived value = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info) error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0716`.