A logger configured via an environment variable which writes cancer to standard error with colored output for logs.
Example
# extern crate loge;
# #[macro_use] extern crate log;
# use std::env;
env::set_var("RUST_LOG", "trace");
env::set_var("LOGE_FORMAT", "target");
loge::init(); // Or `loge::init_with_file("your-app.log");`
trace!("this is trace level");
debug!("meet a note");
info!("everything is normal");
warn!("be careful");
error!("something error");