yes I played it in the 0.11.7

I use win7 64bit
Yes it happens always
savegame:https://www.dropbox.com/s/25ay17qu422bfc0/multi.zip?dl=0log:

267474.956730 Info Logger.cpp:148: 2014:12:26 10:06:43; Factorio 0.11.8 (Build 12921, win64)
267475.170523 Info ModManager.cpp:204: Loading mod core 0.0.0 (data.lua)
267475.183682 Info ...

My brother and I played in the multiplayer and if I place a 3rd robothangar and give him energy the game crashes.
In the sigleplayer I have the same Problem.
I hope you can fix the Problem
fx1999