17:48:29.936 [info] Application devops exited: Devops.Application.start(:normal, []) returned a bad value: :ok
** (Mix) Could not start application devops: Devops.Application.start(:normal, []) returned a bad value: :ok
Then this really sounds like a bug, can you provide more information or perhaps a repository to recreate the problem? Perhaps even which exact commit of elixir you compiled from?