these 6 derivations will be built:
  /nix/store/6ms8j929cvf24757z8fdz153n6y2lwm8-iets-0.1.0.drv
  /nix/store/9lip4n59qmzir3c8iiaa46i7h9nr8ab7-closure-info.drv
  /nix/store/731d0idyj0b9yf603wsy4ybk88w0ddla-test-script.drv
  /nix/store/c3y22hfwvp4g2r9x8cm4qmfamgh9hgkv-driverConfiguration.json.drv
  /nix/store/fp2zqd71r21shn5mnfh50791bfb1h82y-nixos-test-driver-iets-cachetest.drv
  /nix/store/bmlmprg8h4wksbgww7x55h5b8aikg732-container-test-run-iets-cachetest.drv