these 6 derivations will be built:
  /nix/store/zzx4jf3szidvq4fdaj04aldkbyi195m5-iets-0.1.0.drv
  /nix/store/bd7337kwgzg8bc0l21fm72w1b728bmyg-closure-info.drv
  /nix/store/lia8i4s3m1ga088m4k9b06rhw6s29msr-test-script.drv
  /nix/store/dxlkr0w9jdi1rqdrcz1571mlhjyr5pvb-driverConfiguration.json.drv
  /nix/store/mawrl54mcbhb1wv7lsy4iqb46zqcvkij-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/255ysh6f1pkzjdhshqjxp6i1mh7rp8d1-container-test-run-iets-grpc-e2e.drv