these 6 derivations will be built:
  /nix/store/vc1cizkwm0c5wp4kdac3l25fsvg5wkay-iets-0.1.0.drv
  /nix/store/l8f5ql6wwh38xzdkyvis3gxrgvhhr1l4-closure-info.drv
  /nix/store/skb8ld2mknzwbn101rh76libidkx6wjp-test-script.drv
  /nix/store/5k47559mdw3k5mm7dck7hi6r6jq61ksb-driverConfiguration.json.drv
  /nix/store/lj5f2fr68lhnx9mizyzzq3cnyi5v9y8k-nixos-test-driver-iets-cachetest.drv
  /nix/store/w1cs6vb9lf2j3jksamdly5yjd7yrqhlv-container-test-run-iets-cachetest.drv