Put the summary of the bug you're having here
i expected that i could play mc in my snapshot survival world
every time i start that world with 14w18a the game was okey but if move my mouse the game crashes and it did not happened in other worlds
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...
3. ...
Duplicate of MC-54008 – If you have not, please use the search function in the future, to see if your bug has already been submitted.