I just updated from 0.15.6 to 0.15.8 and this is the first time I entered the tank in 0.15.8, but the game crashed after driving in it for a couple of seconds. Even after restarting the game and after destroying and replacing the tank.
0.001 2017-05-05 20:28:34; Factorio 0.15.8 (build 29493, win64 ...