these 3 derivations will be built:
  /nix/store/2n598r9lkszrigh3a51y7vl496r6l12i-driverConfiguration.json.drv
  /nix/store/q53xyr7ilf8p73lrg344vcsm0sgcxm26-nixos-test-driver-nix-grpc-store-main.drv
  /nix/store/zsrkkwbvirrmpdbzhgkc0jhg4s06wwv3-vm-test-run-nix-grpc-store-main.drv