these 4 derivations will be built:
  /nix/store/bc2g012rqwxsixmq6mz8zfj3yz8igb5f-test-script.drv
  /nix/store/cg6118np1aq6x4v1imhxrch00s0rw2a5-driverConfiguration.json.drv
  /nix/store/cpdljkbvczbc1dd0mql2vvdyps1vwci6-nixos-test-driver-iets-cachetest.drv
  /nix/store/mplrd4hg24xjzclrfyqvsmm95pq1bhsw-container-test-run-iets-cachetest.drv