Console Output

$ docker login -u dockerbuildbot -p ******** https://index.docker.io/v1/
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
WARNING! Your password will be stored unencrypted in /home/ubuntu/workspace/docker-ce-packaging_PR-900@tmp/5d73c0e3-178b-4af8-b100-f20c87c51c3b/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded