still crash

09:50:15 ccq (The LWJGL binding of OpenAL. For more information, see http://www.lwjgl.org)
09:50:15 ccq OpenAL initialized.
09:50:15 ccq Sound engine started
09:50:28 byy Created: 1024x512 textures-atlas
09:50:43 cch Starting integrated minecraft server version 1.11.2
09:50:43 cch Generating keypair
09:50:44 net.minecraft.server.MinecraftServer Preparing start region for level 0
09:50:45 net.minecraft.server.MinecraftServer Preparing spawn area: 0%
09:50:46 net.minecraft.server.MinecraftServer Preparing spawn area: 29%
09:50:47 lw Keeping entity minecraft:squid that already exists with UUID 8c49b424-f692-4531-8233-835d0c1ee766
09:50:47 lw Keeping entity minecraft:squid that already exists with UUID 4b845497-40a5-4bb8-b31c-679c7cb36b51
09:50:47 lw Keeping entity minecraft:squid that already exists with UUID b559705c-4f4c-475d-a626-c3d3f1f51c46
09:50:47 net.minecraft.server.MinecraftServer Preparing spawn area: 79%
09:50:48 cch Changing view distance to 12, from 10
09:50:49 mt Brandon_Defoe[local:E:ed399d00] logged in with entity id 223 at (169.91620212935416, 63.0, 235.70519309125547)
09:50:49 net.minecraft.server.MinecraftServer Brandon_Defoe joined the game
09:50:50 cch Saving and pausing game...
09:50:51 net.minecraft.server.MinecraftServer Saving chunks for level 'jmfoe'/Overworld
09:50:51 net.minecraft.server.MinecraftServer Saving chunks for level 'jmfoe'/Nether
09:50:51 net.minecraft.server.MinecraftServer Saving chunks for level 'jmfoe'/The End
09:50:51 net.minecraft.server.MinecraftServer Can't keep up! Did the system time change, or is the server overloaded? Running 2368ms behind, skipping 47 tick(s)