tests/ui/writeln_empty_string.stderr

   1 error: using `writeln!(v, "")`
   2  --> $DIR/writeln_empty_string.rs:9:5
   3   |
   4 9 |     writeln!(&mut v, "");
   5   |     ^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(v)`
   6   |
   7   = note: `-D write-with-newline` implied by `-D warnings`
   8
   9 error: aborting due to previous error
  10