these 6 derivations will be built:
  /nix/store/pkjb01w1a4lx1ggy6d9cag1alfa5gyvx-iets-0.1.0.drv
  /nix/store/6bz0swwd7w9168rjqkh60zfbpnkknjnx-closure-info.drv
  /nix/store/rwsz33j4z39n7548avfqg06869nxj1rq-test-script.drv
  /nix/store/3lqkgw0z2saimd6vzprcjln75jm6q4hq-driverConfiguration.json.drv
  /nix/store/scylgyqdhcqmpgishivhq2dhvlaris3v-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/ysqczc5c3wxhw9yhqqwmm02b0dsrkk07-container-test-run-iets-grpc-e2e.drv