Warning: Permanently added 'github.com,192.30.252.122' (RSA) to the list of known hosts.
To git@github.com:BirkhoffLee/Telegram-Warning-Bot
! [rejected] master -> master (fetch first)
error: failed to push some refs to 'git@github.com:BirkhoffLee/Telegram-Warning-Bot'
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.