these 6 derivations will be built:
  /nix/store/j7pkmf2znf65qynpglj3sf1g5mv0ji4h-iets-0.1.0.drv
  /nix/store/04r021b1v91ixgdbgj5id77pvh0a891f-closure-info.drv
  /nix/store/wrn4381j8dwlkm2vv7l9fjr28cw5q6yj-test-script.drv
  /nix/store/43xbcb5dbizqsxv5xg853lf8bcpj9541-driverConfiguration.json.drv
  /nix/store/mwklbrbhxs40wrmhmyv1zrgbqc6hmxal-nixos-test-driver-iets-cachetest.drv
  /nix/store/a75mqh8059h37xzlp6ym699av9sia2w5-container-test-run-iets-cachetest.drv