RUSTSEC-2023-0089 atomic-polyfill is unmaintained

The author has archived the GitHub repository and mentions deprecation in project's README. Possible alternatives portable-atomic...

RUSTSEC-2017-0008 `serial` crate is unmaintained

The serial crate is no longer maintained. Last release was on 2017-07-02. Possible alternatives Consider using an alternative, for instance the blocking librarys: - serial2 - serialport or async alternatives: - mio-serial - tokio-serial...