fatal: unable to connect to github.com:
github.com[0: 13.229.188.59]: errno=Operation timed out
github.com[1: 52.74.223.119]: errno=Operation timed out
github.com[2: 13.250.177.223]: errno=Operation timed out
Falling back to 3.8
screenshot: http://prntscr.com/j15bkd
fatal: unable to connect to github.com: github.com[0: 13.229.188.59]: errno=Operation timed out github.com[1: 52.74.223.119]: errno=Operation timed out github.com[2: 13.250.177.223]: errno=Operation timed out Falling back to 3.8 screenshot: http://prntscr.com/j15bkd