this derivation will be built:
  /nix/store/9cyiwh7qllv0py0v9y1xwpqqpjm3qq9d-docker-image-test.drv
building '/nix/store/9cyiwh7qllv0py0v9y1xwpqqpjm3qq9d-docker-image-test.drv' on 'ssh-ng://nixbot-remote-build@78.232.36.247'