these 3 derivations will be built:
  /nix/store/zrkwal3yx50bhc303rdvc7n106mm2xh8-driverConfiguration.json.drv
  /nix/store/zzf9v4xck933prp471x0yqll7jwmij84-nixos-test-driver-nix-grpc-farm.drv
  /nix/store/n2w2vjihd4mx1lq3zwgw5xpba2dy9c0d-vm-test-run-nix-grpc-farm.drv