[src/main.rs:20:5] = player
    Expected all of these fields to succeed:
        xpct::main::Player {
            id: OK
            name: FAILED
                Expected:
                    ""
                to not be empty
            level: FAILED
                Expected:
                    21
                to be in:
                    1..=20
            is_superstar: FAILED
                [why] only superstars allowed
                Expected this to be true
        }