crash when try to run 17w50a

no crash report/log. only this:
14:09:46 launcher Preparing to launch minecraft client for 17w50a
14:09:47 launcher Checking installations.
14:09:47 launcher Minecraft client 17w50a is ready to start.
14:09:47 launcher Starting!
14:09:47 launcher Using default game log configuration client-1.12.xml (outputs XML)
14:09:48 bne Setting user: matyklug
14:09:49 bne LWJGL Version: 3.1.2 build 29

and crash