these 6 derivations will be built:
  /nix/store/i0905g305xbivhmbgxn8zk2r4jnqcil6-iets-0.1.0.drv
  /nix/store/hxxfyjnqhs4g2wpvl0jdq6xr9kfk9pim-closure-info.drv
  /nix/store/8bkqhkd3m669nrj0k917c202y42wa7dj-test-script.drv
  /nix/store/g473xikmdx9g1wnkb7gmdf69b6cnmk57-driverConfiguration.json.drv
  /nix/store/0wx9bg30jpcmn7rqbjsv64a0k12l4dnk-nixos-test-driver-iets-classic-e2e.drv
  /nix/store/qqncsrx0y85waqbw9f48aj0485accrcb-container-test-run-iets-classic-e2e.drv