$ docker login -u masterleinad -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 /var/jenkins/workspace/Kokkos_nightly@tmp/7843c5b1-a3c0-4fef-a9aa-0575ee72fa16/config.json. Configure a credential helper to remove this warning. See https://docs.docker.com/engine/reference/commandline/login/#credentials-store Login Succeeded