these 6 derivations will be built:
  /nix/store/jbb0b8z4glhscgphgcd23crrz1cvwxkc-iets-0.1.0.drv
  /nix/store/0sj0wb2ifiigs9qn19wc42x5qrzp5f4p-closure-info.drv
  /nix/store/i1115f7xgpkzbb9ksgjndgk007868vgk-test-script.drv
  /nix/store/aipyma10mrfh6mddba1lhmfh16grnn7w-driverConfiguration.json.drv
  /nix/store/fgpm239jzcddif3hh8q6j4bffg5fk11l-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/y3hy14nsxbkh8hyfcczk91fvmrdjvn0q-container-test-run-iets-grpc-e2e.drv