[root@Router ~]$ ./sdusrun-mipsel-unknown-linux-musl login
thread 'main' panicked at 'the long_name (second argument) should be longer than a single character, or an empty string for none', /cargo/registry/src/rsproxy.cn-8f6827c7555bfaf8/getopts-0.2.21/src/lib.rs:604:5
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
Aborted