$ cargo run
   Compiling panic v0.1.0 (file:///projects/panic)
    Finished dev [unoptimized + debuginfo] target(s) in 0.25s
     Running `target/debug/panic`
thread 'main' panicked at 'zgiń i spłoń', src/main.rs:2:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
