error[E0597]: `a` does not live long enough
  --> $DIR/range-2.rs:7:9
   |
LL |     let r = {
   |         - borrow later stored here
LL |         let a = 42;
   |             - binding `a` declared here
LL |         let b = 42;
LL |         &a..&b
   |         ^^ borrowed value does not live long enough
LL |     };
   |     - `a` dropped here while still borrowed

error[E0597]: `b` does not live long enough
  --> $DIR/range-2.rs:7:13
   |
LL |     let r = {
   |         - borrow later stored here
LL |         let a = 42;
LL |         let b = 42;
   |             - binding `b` declared here
LL |         &a..&b
   |             ^^ borrowed value does not live long enough
LL |     };
   |     - `b` dropped here while still borrowed

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0597`.