these 6 derivations will be built:
  /nix/store/p2hnlsi6hnqlj3pi8kdy86c2c0rj01lm-iets-0.1.0.drv
  /nix/store/vkm9k9ghxpbvbyn1is1j1fk5n8bimkwn-closure-info.drv
  /nix/store/0hyb9kkjnx8zyb30nhgkdk4czpchqjk0-test-script.drv
  /nix/store/3a6k9926rjy1rfcrwv85zzdib54kk9ja-driverConfiguration.json.drv
  /nix/store/8l6agf0n66fwalvzx3iprfcswxjws8xp-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/r9cmmda5szavna9ab1asyblvrwgs9lj1-container-test-run-iets-grpc-e2e.drv