error[E0716]: temporary value dropped while borrowed
  --> $DIR/fn_result_lifetime.rs:9:27
   |
9  |         let c: &[&i32] = &[&a, &b];
   |                           ^^^^^^^^ creates a temporary which is freed while still in use
...
20 |     }
   |     - temporary value is freed at the end of this statement
21 |
22 |     println!("{:p}", result)
   |                      ------ borrow later used here
   |
   = note: consider using a `let` binding to create a longer lived value

error[E0597]: `a` does not live long enough
  --> $DIR/fn_result_lifetime.rs:9:28
   |
9  |         let c: &[&i32] = &[&a, &b];
   |                            ^^ borrowed value does not live long enough
...
20 |     }
   |     - `a` dropped here while still borrowed
21 |
22 |     println!("{:p}", result)
   |                      ------ borrow later used here

error[E0597]: `b` does not live long enough
  --> $DIR/fn_result_lifetime.rs:9:32
   |
9  |         let c: &[&i32] = &[&a, &b];
   |                                ^^ borrowed value does not live long enough
...
20 |     }
   |     - `b` dropped here while still borrowed
21 |
22 |     println!("{:p}", result)
   |                      ------ borrow later used here