Reason: The source can't be downloaded in any permitted format. # Server returned HTTP response code: 503 for URL: https://gitlab.com/users/sign_in # Server returned HTTP response code: 503 for URL: https://gitlab.com/users/sign_in # Server returned HTTP response code: 503 for URL: https://gitlab.com/users/sign_in # Server returned HTTP response code: 503 for URL: https://gitlab.com/users/sign_in # Server returned HTTP response code: 503 for URL: https://gitlab.com/users/sign_in # Server returned HTTP response code: 503 for URL: https://gitlab.com/users/sign_in