error[E0597]: `rawLines` does not live long enough
  --> $DIR/issue-13497-2.rs:13:5
   |
LL |     rawLines //~ ERROR `rawLines` does not live long enough
   |     ^^^^^^^^ borrowed value does not live long enough
LL |         .iter().map(|l| l.trim()).collect()
LL | }
   | - borrowed value only lives until here
   |
note: borrowed value must be valid for the lifetime 'a as defined on the function body at 11:24...
  --> $DIR/issue-13497-2.rs:11:24
   |
LL | fn read_lines_borrowed<'a>() -> Vec<&'a str> {
   |                        ^^

error: aborting due to previous error

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