these 6 derivations will be built:
  /nix/store/2lbk9876pcvwj5l191j2gag67ifbz8wc-iets-0.1.0.drv
  /nix/store/9g4g7xln4r0543s9w1cjy1qb4xi6pbpn-closure-info.drv
  /nix/store/6b66pzyj3ip8m8m9iqp2c3j8lbg3b0ln-test-script.drv
  /nix/store/lgwr9jjildqscvfbn4cp2svc0rafd2yk-driverConfiguration.json.drv
  /nix/store/d0d5i0nzvy0rfy3w5lclr9mvvaiayx4i-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/6gsgqnn3lzlkqgkw5q22zf5q6lcpmqb8-container-test-run-iets-grpc-e2e.drv