these 6 derivations will be built:
  /nix/store/cchlnk511kvjqc91ynca9ij6ds4q8i48-iets-0.1.0.drv
  /nix/store/6q6klirmplsv683xrn43yjd8j1vqk9ms-closure-info.drv
  /nix/store/sv6p8iqlsf8lypqm6w31aqcnk95j8dww-test-script.drv
  /nix/store/xpg9h0h6fpv1d5kjb0zplcj6qnspvrfq-driverConfiguration.json.drv
  /nix/store/00ixl6zw2i1ii2p3gjrcfqa7alzcdddg-nixos-test-driver-iets-cachetest.drv
  /nix/store/l3dxf91ys74k26s27k4gj2dxb9nn66n7-container-test-run-iets-cachetest.drv