these 6 derivations will be built:
  /nix/store/zlhx72mrh7nwbk33bmna7dd40grblck0-iets-0.1.0.drv
  /nix/store/il814072x1sg0531iiwz8b5q6xw5rz5z-closure-info.drv
  /nix/store/wa8dh6nw5qmmxcf8vqpzqpis1968bi6x-test-script.drv
  /nix/store/bcy915418rz85js6qh63dl50xvvpljd6-driverConfiguration.json.drv
  /nix/store/2zs5c43mpvajinmy66swdxl8c0cc2lb7-nixos-test-driver-iets-grpc-e2e.drv
  /nix/store/wcpbd668vlrmvpbycj7nyd2mcqgq619j-container-test-run-iets-grpc-e2e.drv