error[E0515]: cannot return value referencing local variable `rawLines`
  --> $DIR/issue-13497-2.rs:3:5
   |
LL | //     rawLines
LL | ||         .iter().map(|l| l.trim()).collect()
   | ||_______________-___________________________^ returns a value referencing data owned by the current function
   |  |_______________|
   |                  `rawLines` is borrowed here

error: aborting due to previous error

For more information about this error, try `rustc --explain E0515`.