[Trillium]

Ice, you can just leave the contents inside undisturbed. It will take a bit longer to break down, but it will eventually be useable. Add some water from time to time, a bit of fresh manure tea or manure to keep it cooking, or just leave it for another year. Lots of options.
As for the dalek composters, I find it easier to simply pull the bin itself up over the contents, pull the contents away, place the bin back in its spot, then fill with the contents in a different order along with a bit of fresh poop or activator if poop isn't available. This cooks it even faster.