error: using `writeln!(&mut v, "")` --> $DIR/writeln_empty_string.rs:9:5 | 9 | writeln!(&mut v, ""); | ^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(&mut v)` | = note: `-D writeln-empty-string` implied by `-D warnings` error: using `writeln!(&mut suggestion, "")` --> $DIR/writeln_empty_string.rs:12:5 | 12 | writeln!(&mut suggestion, ""); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `writeln!(&mut suggestion)` error: aborting due to 2 previous errors