these 6 derivations will be built:
  /nix/store/7sgkwrpqdi0v7qid9pixg5gx02y1jzb9-iets-0.1.0.drv
  /nix/store/42d4n244dy9xdv0ajxi39iq5jxrw2mzq-closure-info.drv
  /nix/store/k1z7snmx9n6p5fkic7yq9r51pjydivbl-test-script.drv
  /nix/store/lciqkcllc5xv548wycdy8pyslqdkajnn-driverConfiguration.json.drv
  /nix/store/pyhggvjxv2gh92a1m739r2812j1bpyl9-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/0hcpl8ym1inhbijpkfg0vra635ncm3y1-container-test-run-iets-grpc-e2e.drv