Looks like the loo/poo issue isn't done yet...
Apparently, the liquid uriane disposal exit port is iced up. News briefing said something about ''..once turned to the sun (aka Heating it), allowed half of the container to empty.
From what was said in the briefing the waste 'basket' is the size of a normal office waste basket, and of course it's gonna get filled quickly, with four people and three squares a day - One assumes that a square that a suckie nutrient/vitamin meal suffices for the 10 days.