error: use of `writeln!(stderr(), ...).unwrap()` --> $DIR/explicit_write_non_rustfix.rs:7:5 | LL | writeln!(std::io::stderr(), "foo {}", bar).unwrap(); | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::explicit-write` implied by `-D warnings` = help: consider using `eprintln!` instead error: aborting due to previous error