these 2 derivations will be built:
  /nix/store/s6r9ay7y2k9kp5lb23b3d11n883r9idy-DockerSandboxes-linux-amd64.tar.gz.drv
  /nix/store/y72822cmdcf8wr5r1q3fmzhikhivb51r-docker-sbx-0.43.0.drv