Fix use of the new immutable cache API.
Fix use of the new immutable cache API.

xhava/hippyvm,xhava/hippyvm,xhava/hippyvm,xhava/hippyvm,hippyvm/hippyvm,hippyvm/hippyvm,hippyvm/hippyvm,hippyvm/hippyvm,xhava/hippyvm,hippyvm/hippyvm,xhava/hippyvm,hippyvm/hippyvm,xhava/hippyvm,hippyvm/hippyvm