these 6 derivations will be built:
  /nix/store/saph1kfaaxlq0p3cwygzjc425w73rp0q-iets-0.1.0.drv
  /nix/store/bzljcl2bpfr3ah3vm66k4is4bs6z8z42-closure-info.drv
  /nix/store/zr5zadzhjpir0lxgmxdss97paqcp0wb9-test-script.drv
  /nix/store/n2dfpmssdnvsssi7m9z0nnk496q3pfl0-driverConfiguration.json.drv
  /nix/store/sciahxqx65hy1n39jj3axgkab7ljj38z-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/8bajj84pmvnlxgkxpmwpwiv515w03acv-container-test-run-iets-grpc-e2e.drv