[wi18ac33275 noah.huesser (Edu)] ~/repos/pitaya/firmware/fpga/zynq_logger > git pull origin master
From github.com:Yatekii/zynq_logger
 * branch            master     -> FETCH_HEAD
Already up-to-date.
[wi18ac33275 noah.huesser (Edu)] ~/repos/pitaya/firmware/fpga/zynq_logger > git push origin master
To git@github.com:Yatekii/zynq_logger.git
 ! [rejected]        master -> master (non-fast-forward)
error: failed to push some refs to 'git@github.com:Yatekii/zynq_logger.git'
To prevent you from losing history, non-fast-forward updates were rejected
Merge the remote changes before pushing again.  See the 'Note about
fast-forwards' section of 'git push --help' for details.