Originally Posted by MageB420666

I've had that happen to me once as well. Sometimes shit happens. You could have had the nozzle in there at just the right angle for the back pressure sensor (or however the hell those things work) to not register the tank being full.

If they are just tennis shoes and not nice dress shoes I'd just put them through a wash and dry cycle in your washer and dryer at home, should get rid of the smell.