these 6 derivations will be built:
  /nix/store/d329753lcb0cmgrmmxqfbr5da87v47n6-iets-0.1.0.drv
  /nix/store/m3lkb8nknmdpmnv1qy5kvb6x3f6ac9jg-closure-info.drv
  /nix/store/a8532w7gvjkj4zx08wpjnzzf1qgdjy7r-test-script.drv
  /nix/store/0hbp5qirj1nfdk7f7q6sib1dnhfs2kml-driverConfiguration.json.drv
  /nix/store/s461ba03zdxxmhkxpammrmdvx6k9bwhx-nixos-test-driver-iets-cachetest.drv
  /nix/store/k72blyp3fb6f2vs90370nmdyk9pjvxii-container-test-run-iets-cachetest.drv