http://bugs.winehq.org/show_bug.cgi?id=58363
--- Comment #1 from Ken Sharp imwellcushtymelike@gmail.com --- The backtrace says you are using Staging, not vanilla Wine. Does this occur with vanilla Wine?
I know you said that it is unpredictable but are you able to test the demo for the same result? https://archive.org/details/ThiefIiTheMetalAgeDemo (Assuming that's the correct game)