when i start the snapshot it crash im using a linux

---- Minecraft Crash Report ----
// But it works on my machine.

Time: 05/11/15 01:55 PM
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
	at ahn.a(SourceFile:1136)
	at bms.h(SourceFile:1603)
	at bms.a(SourceFile:1179)
	at bms.b(SourceFile:1164)
	at bms.a(SourceFile:1011)
	at bbz.as(SourceFile:967)
	at bbz.a(SourceFile:385)
	at net.minecraft.client.main.Main.main(SourceFile:125)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at ahn.a(SourceFile:1136)
	at bms.h(SourceFile:1603)
	at bms.a(SourceFile:1179)
	at bms.b(SourceFile:1164)

-- Affected level --
Details:
	Level name: MpServer
	All players: 0 total; []
	Chunk stats: MultiplayerChunkCache: 0, 0
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options: 
	Level spawn location: World: (8,64,8), Chunk: (at 8,4,8 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 0 total; []
	Retry entities: 0 total; []
	Server brand: ~~ERROR~~ NullPointerException: null
	Server type: Integrated singleplayer server
Stacktrace:
	at bkg.a(SourceFile:363)
	at bbz.b(SourceFile:2496)
	at bbz.a(SourceFile:399)
	at net.minecraft.client.main.Main.main(SourceFile:125)

-- System Details --
Details:
	Minecraft Version: 15w45a
	Operating System: Linux (i386) version 3.8.0-33-generic
	Java Version: 1.7.0_80, Oracle Corporation
	Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
	Memory: 146884000 bytes (140 MB) / 234643456 bytes (223 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 5 total; -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	Launched Version: 15w45a
	LWJGL: 2.9.4
	OpenGL: Mesa DRI Intel(R) IGD x86/MMX/SSE2 GL version 1.4 Mesa 9.1.7, Intel Open Source Technology Center
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.
Shaders are available because ARB_shader_objects, ARB_vertex_shader, and ARB_fragment_shader are supported.
VBOs are available because ARB_vertex_buffer_object is supported.

	Using VBOs: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: 
	Current Language: Español (Uruguay)
	Profiler Position: N/A (disabled)
	CPU: 2x Intel(R) Atom(TM) CPU N455 @ 1.66GHz