these 6 derivations will be built:
  /nix/store/zzx4jf3szidvq4fdaj04aldkbyi195m5-iets-0.1.0.drv
  /nix/store/i3fqfss47ifasgm37idcjwpq38zgqsza-closure-info.drv
  /nix/store/lnxgac2p6qam084gdffnj0zplmsiyz4w-test-script.drv
  /nix/store/iglf58bga80zaygd1ffnsg3i5aam5zzv-driverConfiguration.json.drv
  /nix/store/y13lng03yzisnf4q39n3yk7l48qgdcb0-nixos-test-driver-iets-cachetest.drv
  /nix/store/2p0s2s6f0y3qca95kw6qmzicxmd6vjn9-container-test-run-iets-cachetest.drv