these 3 derivations will be built:
  /nix/store/m3ykfcgk9f5cakwlq62ndz9snjnl5xgv-driverConfiguration.json.drv
  /nix/store/v58yb5gw519grdx3avvrfzrp8iv07m78-nixos-test-driver-nix-grpc-farm-k3s.drv
  /nix/store/alqys5h4ra9bdjj663yarsdij9f7gi92-vm-test-run-nix-grpc-farm-k3s.drv