these 3 derivations will be built:
  /nix/store/b5hdjkf5x23mxw2xbh91i64snskn1drr-driverConfiguration.json.drv
  /nix/store/i16ll3w5hjcipwixsmmqf5gf7cc9lcmx-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/41jhd9pbcwm4jpywk14cij845jr2pf8q-vm-test-run-nix-grpc-farm.drv