Whenever I'm playing the game stops responding and crashes.

Here's the game output in the launcher:
Completely ignored arguments: [--nativeLauncherVersion, 286]
[20:33:05] [Client thread/INFO]: Setting user: SnappCraft
[20:33:05] [Client thread/INFO]: (Session ID is token:11af1ebbaa2c46bfa358cf95d50a9d2c:28de248ef0304ba79ff563ee5d322c23)
[20:33:06] [Client thread/INFO]: LWJGL Version: 2.9.4
[20:33:07] [Client thread/INFO]: Reloading ResourceManager: Default, PureBDcraft 128x MC19.zip, PureBDcraft More 3D Blocks MC19.zip, PureBDcraft More 3D Items MC19.zip
[20:33:08] [Client thread/WARN]: Missing sound for event: minecraft:entity.snowman.ambient
[20:33:08] [Sound Library Loader/INFO]: Starting up SoundSystem...
[20:33:08] [Thread-5/INFO]: Initializing LWJGL OpenAL
[20:33:08] [Thread-5/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[20:33:08] [Thread-5/INFO]: OpenAL initialized.
[20:33:08] [Sound Library Loader/INFO]: Sound engine started
[20:33:10] [Client thread/INFO]: Created: 8192x4096 textures-atlas
[20:33:24] [Client thread/INFO]: Reloading ResourceManager: Default
[20:33:25] [Client thread/WARN]: Missing sound for event: minecraft:entity.snowman.ambient
[20:33:25] [Client thread/INFO]: SoundSystem shutting down...
[20:33:25] [Client thread/WARN]: Author: Paul Lamb, www.paulscode.com
[20:33:25] [Sound Library Loader/INFO]: Starting up SoundSystem...
[20:33:25] [Thread-8/INFO]: Initializing LWJGL OpenAL
[20:33:25] [Thread-8/INFO]: (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
[20:33:25] [Thread-8/INFO]: OpenAL initialized.
[20:33:25] [Sound Library Loader/INFO]: Sound engine started
[20:33:26] [Client thread/INFO]: Created: 1024x512 textures-atlas
[20:33:37] [Server thread/INFO]: Starting integrated minecraft server version 16w05b
[20:33:37] [Server thread/INFO]: Generating keypair
[20:33:38] [Server thread/INFO]: Preparing start region for level 0
[20:33:39] [Server thread/INFO]: Preparing spawn area: 6%
[20:33:40] [Server thread/INFO]: Preparing spawn area: 64%
[20:33:41] [Server thread/INFO]: Changing view distance to 8, from 10
[20:33:41] [Server thread/INFO]: SnappCraft[local:E:f560b467] logged in with entity id 385 at (-252.7865029867535, 69.0, 232.69796780936736)
[20:33:41] [Server thread/INFO]: SnappCraft joined the game
[20:33:42] [Server thread/INFO]: Saving and pausing game...
[20:33:42] [Server thread/INFO]: Saving chunks for level 'mc unlimited'/Overworld
[20:33:42] [Client thread/WARN]: Received passengers for unknown entity
[20:33:44] [Server thread/INFO]: Saving chunks for level 'mc unlimited'/Nether
[20:33:44] [Server thread/INFO]: Saving chunks for level 'mc unlimited'/The End
[20:33:47] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 5361ms behind, skipping 107 tick(s)
[20:33:58] [Server thread/INFO]: SnappCraft has just earned the achievement [Taking Inventory]
[20:33:58] [Client thread/INFO]: [CHAT] SnappCraft has just earned the achievement [Taking Inventory]
[20:35:56] [Server thread/INFO]: Saving and pausing game...
[20:35:56] [Server thread/INFO]: Saving chunks for level 'mc unlimited'/Overworld
[20:35:57] [Server thread/INFO]: Saving chunks for level 'mc unlimited'/Nether
[20:35:57] [Server thread/INFO]: Saving chunks for level 'mc unlimited'/The End
[20:35:58] [Server thread/INFO]: Changing difficulty to PEACEFUL, from NORMAL
[20:42:26] [Thread-8/ERROR]: Error in class 'CodecJOrbis'
[20:42:26] [Thread-8/ERROR]: Ogg header not recognized in method 'readHeader'.
[20:42:26] [Thread-8/ERROR]: Error in class 'CodecJOrbis'
[20:42:26] [Thread-8/ERROR]: Error reading the header
Using : vl@29bac8dc
Using : vl@12bc2592
Using : vl@4e5ad3d3
Using : vl@29bac8dc
Using : vl@12bc2592
Using : vl@4e5ad3d3
Using : vl@29bac8dc
Using : vl@12bc2592
Using : vl@4e5ad3d3
Using : vl@29bac8dc
Using : vl@12bc2592
Using : vl@29bac8dc
Using : vl@12bc2592
Using : vl@29bac8dc
Using : vl@12bc2592