When i launch minecraft it crashes

[17:48:41] [Client thread/INFO]: Setting user: supersherman88
[17:48:41] [Client thread/INFO]: (Session ID is token:f119fc68faeb49658086ace71116357c:d5b73954c2444cffb99dd993f227041e)
[17:48:42] [Client thread/INFO]: LWJGL Version: 2.9.4
[17:48:42] [Client thread/INFO]: Reloading ResourceManager: Default
[17:48:45] [Sound Library Loader/INFO]: Starting up SoundSystem...
[17:48:45] [Thread-5/INFO]: Initializing LWJGL OpenAL
[17:48:45] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[17:48:46] [Thread-5/INFO]: OpenAL initialized.
[17:48:46] [Sound Library Loader/INFO]: Sound engine started
[17:48:46] [Client thread/INFO]: Created: 512x512 textures-atlas
[17:48:49] [Client thread/WARN]: Unable to play unknown soundEvent: minecraft:gui.button.press
[17:48:52] [Client thread/WARN]: Unable to play unknown soundEvent: minecraft:music.menu
[17:48:52] [Client thread/WARN]: Unable to play unknown soundEvent: minecraft:gui.button.press
[17:48:58] [Client thread/WARN]: Unable to play unknown soundEvent: minecraft:gui.button.press
[17:48:59] [Client thread/WARN]: Unable to play unknown soundEvent: minecraft:gui.button.press
[17:49:00] [Client thread/WARN]: Unable to play unknown soundEvent: minecraft:gui.button.press
[17:49:00] [Client thread/INFO]: Stopping!
[17:49:00] [Client thread/INFO]: SoundSystem shutting down...
[17:49:01] [Client thread/WARN]: Author: Paul Lamb, www.paulscode.com

tis is the log i get