these 6 derivations will be built:
  /nix/store/cchlnk511kvjqc91ynca9ij6ds4q8i48-iets-0.1.0.drv
  /nix/store/kn82rwhapws45106flxvqzxy1jdq9j2a-closure-info.drv
  /nix/store/j6naisp9xkgfabjgbfgrrrkmmx8hjdv7-test-script.drv
  /nix/store/q6jcwfbx2c579vb7zczavp234rfcks88-driverConfiguration.json.drv
  /nix/store/ra1h6yhyqydvxm9cw9ampbpl9m1ql223-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/yq1kjsgggf51zlzqbfrwx4f7zb7sd5qk-container-test-run-iets-grpc-e2e.drv