these 5 derivations will be built:
  /nix/store/sy0lihiy7kxvjp1j1d130f6n6savnnyi-closure-info.drv
  /nix/store/s8kbw7jga9pd56b22yhpid4wfbqbjlck-test-script.drv
  /nix/store/jv7mm66bw4fzs65c5qklhcnzk3wdgc21-driverConfiguration.json.drv
  /nix/store/7rn2ynknlc9w16b2wfwhm2ab3qvdb57j-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/jkbpr6fflrmgm01k2x4pd7lsdq318qqb-container-test-run-iets-grpc-e2e.drv