Function fil_logger::nocolor_logger_format

pub fn nocolor_logger_format(
    writer: &mut dyn Write, 
    now: &mut DeferredNow, 
    record: &Record
) -> Result<(), Error>

Logs without color, contains the same information as the pretty_env_logger.

One log entry has this structure:

<timestamp> <log-level> <module-name> > <log-message>