these 5 derivations will be built:
  /nix/store/sb2cg53i9n378ql407jxl9sbznv6q5rb-closure-info.drv
  /nix/store/g2ka3q6h8dqbaiwb8rkwlfdmvg6xsfi8-test-script.drv
  /nix/store/p8dqmvplsrlhpyajm86a3yvfamphaxd9-driverConfiguration.json.drv
  /nix/store/l4c3ypn8l807qd3yx37q8ch5sb2m2d7q-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/brn99f52jw2di9paw7ffn2qpzl05xl9n-container-test-run-iets-grpc-e2e.drv