error: use of `eprintln!` --> tests/ui/print_stderr.rs:4:5 | LL | eprintln!("Hello"); | ^^^^^^^^^^^^^^^^^^ | = note: `-D clippy::print-stderr` implied by `-D warnings` = help: to override `-D warnings` add `#[allow(clippy::print_stderr)]` error: use of `eprint!` --> tests/ui/print_stderr.rs:8:5 | LL | eprint!("World"); | ^^^^^^^^^^^^^^^^ error: aborting due to 2 previous errors