these 6 derivations will be built:
  /nix/store/cbifnp5s9fzc0a85pyzgl7hqgmzw6fkp-iets-0.1.0.drv
  /nix/store/igr3fz1ddxfmmp19jswy6albhnqkvi3w-closure-info.drv
  /nix/store/wq0yga79czb7k1p7jkigzy67l0cirzb6-test-script.drv
  /nix/store/0fmsqh2f9i1mh5g20xxnqy5jdbw1m1gb-driverConfiguration.json.drv
  /nix/store/dbzpbs8zxpgvjjy68jy3h3f5qgldp8qd-nixos-test-driver-iets-cachetest.drv
  /nix/store/rpaksddp1mmn4jivz3nvy5jg321syzrz-container-test-run-iets-cachetest.drv