If the temperature changed upwards the beer is probably just releasing CO2. You'll have to take a hydrometer reading and see to be sure. But I bet that it's not fermenting, just off-gassing.
In Process - Russian Imperial Stout, Nelson Sauvin Rye IPA, Mild No.3
In Kegs - Barley Wine, Apfelwein, Wild BlackBerry Wheat, Coffee Oatmeal Porter
Gone - so many :(