these 4 derivations will be built:
  /nix/store/wzxvzk914b96ry29xjjq0y8lkflayr89-system-manager.drv
  /nix/store/6wxi1ca21aq4g5z4d3qx6l2fn2a7d4n5-closure-info.drv
  /nix/store/b56f00ms5gamia0fwmzhk5dd1rbsx1b8-test-script.py.drv
  /nix/store/hvv220k9s8nka8x7mbkbyq26qy00mi0m-container-test-debian-13-ssh.drv