these 6 derivations will be built:
  /nix/store/bdssqi0vnp3qr0g0ynwb5ixy8a5hbr61-iets-0.1.0.drv
  /nix/store/9wvwbp1z4xhiy71af3jp81scbb70c8w8-closure-info.drv
  /nix/store/s31krbiklgk221fypda0dpvpg5d2i9sf-test-script.drv
  /nix/store/6l4dzhvn49xh10d0gd4qj3yvq7kj2qz1-driverConfiguration.json.drv
  /nix/store/b93zjkbmblf7r5fhmzi0sdxg6mss9qfq-nixos-test-driver-iets-evaljobs-flags.drv
  /nix/store/vn631y93zanp37aw7cf4jab5kbb1djwn-container-test-run-iets-evaljobs-flags.drv