It's not that big a deal either way, if the engine isn't running anyway, you'll get rid of some potential moisture accumulation in the sump but if we're only talking a few more months I wouldn't worry about it. (mechanics.stackexchange.com)
The mineral wool warms the ZIP Sheathing, preventing moisture accumulation there. (hammerandhand.com)
However, in previous work, unvented roofs with air - permeable (fibrous) insulation, instead of air - impermeable insulation (spray foams) have shown localized moisture accumulation at the ridge. (buildingscience.com)