crash when using shovel or pickaxe

---- Minecraft Crash Report ----
// I blame Dinnerbone.

Time: 6-2-14 16:27
Description: Unexpected error

java.lang.ArrayIndexOutOfBoundsException: -1
	at brf.a(SourceFile:286)
	at bsv.a(SourceFile:149)
	at bsv.b(SourceFile:62)
	at bsv.b(SourceFile:40)
	at bro.a(SourceFile:220)
	at brn.a(SourceFile:218)
	at bqy.a(SourceFile:1495)
	at bqr.a(SourceFile:1183)
	at bqr.b(SourceFile:935)
	at bdf.ag(SourceFile:805)
	at bdf.f(SourceFile:732)
	at net.minecraft.client.main.Main.main(SourceFile:154)


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

-- Head --
Stacktrace:
	at brf.a(SourceFile:286)
	at bsv.a(SourceFile:149)
	at bsv.b(SourceFile:62)
	at bsv.b(SourceFile:40)
	at bro.a(SourceFile:220)
	at brn.a(SourceFile:218)
	at bqy.a(SourceFile:1495)
	at bqr.a(SourceFile:1183)

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [bqh['FunkyDutchy'/399, l='MpServer', x=-0,64, y=65,00, z=0,48]]
	Chunk stats: MultiplayerChunkCache: 600, 600
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: 36,00,64,00,196,00 - World: (36,64,196), Chunk: (at 4,4,4 in 2,12; contains blocks 32,0,192 to 47,255,207), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 1881227 game time, 2571119 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: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: 96 total; [wn['Bat'/3286, l='MpServer', x=38,63, y=16,12, z=50,28], ym['Creeper'/4035, l='MpServer', x=41,53, y=30,00, z=37,94], zu['Zombie'/2473, l='MpServer', x=16,50, y=24,00, z=27,50], ym['Creeper'/3796, l='MpServer', x=10,41, y=41,00, z=18,06], zu['Zombie'/2477, l='MpServer', x=41,50, y=57,00, z=-26,50], ym['Creeper'/3797, l='MpServer', x=5,69, y=42,00, z=8,07], zu['Zombie'/4037, l='MpServer', x=42,50, y=29,00, z=46,50], zu['Zombie'/4036, l='MpServer', x=40,50, y=29,00, z=43,50], zu['Zombie'/51, l='MpServer', x=-71,50, y=63,00, z=28,50], wn['Bat'/2702, l='MpServer', x=-17,56, y=14,58, z=66,56], ym['Creeper'/4944, l='MpServer', x=42,50, y=40,00, z=17,50], wn['Bat'/70, l='MpServer', x=-56,67, y=58,02, z=73,64], zu['Zombie'/66, l='MpServer', x=-50,76, y=27,03, z=72,69], wn['Bat'/5153, l='MpServer', x=-76,68, y=54,37, z=76,64], yn['Enderman'/3070, l='MpServer', x=-21,44, y=52,00, z=38,47], ym['Creeper'/3071, l='MpServer', x=-21,19, y=53,00, z=37,34], zu['Zombie'/93, l='MpServer', x=-28,44, y=67,00, z=20,00], zu['Zombie'/94, l='MpServer', x=-15,16, y=59,00, z=9,75], zi['Skeleton'/98, l='MpServer', x=-20,31, y=53,00, z=37,69], zi['Skeleton'/2538, l='MpServer', x=22,04, y=48,00, z=5,61], zu['Zombie'/2535, l='MpServer', x=13,66, y=49,00, z=30,72], zu['Zombie'/2534, l='MpServer', x=-7,19, y=43,00, z=29,63], ym['Creeper'/4719, l='MpServer', x=-30,50, y=17,00, z=-45,50], wn['Bat'/5399, l='MpServer', x=-18,27, y=14,55, z=70,19], ym['Creeper'/4168, l='MpServer', x=14,50, y=19,00, z=58,50], zi['Skeleton'/4181, l='MpServer', x=-27,38, y=21,00, z=-17,16], zi['Skeleton'/118, l='MpServer', x=0,44, y=19,00, z=55,13], zu['Zombie'/4720, l='MpServer', x=-27,50, y=17,00, z=-43,50], zu['Zombie'/4726, l='MpServer', x=-31,50, y=16,00, z=-68,50], zu['Zombie'/115, l='MpServer', x=-22,31, y=64,00, z=16,47], zu['Zombie'/4727, l='MpServer', x=-28,97, y=17,00, z=-62,56], ym['Creeper'/114, l='MpServer', x=-5,53, y=44,00, z=12,72], wn['Bat'/5383, l='MpServer', x=18,26, y=22,46, z=20,92], ym['Creeper'/121, l='MpServer', x=-2,09, y=37,00, z=48,34], ym['Creeper'/120, l='MpServer', x=-3,50, y=37,00, z=48,50], wn['Bat'/3406, l='MpServer', x=-25,44, y=53,00, z=30,59], wn['Bat'/3407, l='MpServer', x=-24,50, y=50,51, z=18,25], zi['Skeleton'/2311, l='MpServer', x=6,50, y=46,00, z=-68,50], zi['Skeleton'/143, l='MpServer', x=-0,50, y=52,00, z=1,88], wn['Bat'/2043, l='MpServer', x=-33,21, y=16,17, z=-75,86], zu['Zombie'/4260, l='MpServer', x=19,50, y=20,00, z=77,50], zu['Zombie'/672, l='MpServer', x=4,64, y=-47,00, z=26,52], wn['Bat'/153, l='MpServer', x=15,67, y=33,63, z=37,51], zu['Zombie'/155, l='MpServer', x=8,50, y=30,00, z=50,50], zu['Zombie'/156, l='MpServer', x=8,50, y=30,00, z=52,50], wn['Bat'/3416, l='MpServer', x=8,25, y=22,00, z=52,75], wn['Bat'/144, l='MpServer', x=7,63, y=30,69, z=50,11], zu['Zombie'/145, l='MpServer', x=-4,34, y=47,00, z=20,38], wn['Bat'/149, l='MpServer', x=10,91, y=43,10, z=15,28], ym['Creeper'/171, l='MpServer', x=22,19, y=21,00, z=18,50], wp['Chicken'/440, l='MpServer', x=12,53, y=64,00, z=-46,34], wx['Pig'/170, l='MpServer', x=16,53, y=67,00, z=11,53], wx['Pig'/169, l='MpServer', x=19,50, y=67,00, z=13,89], ym['Creeper'/446, l='MpServer', x=29,50, y=49,00, z=-65,50], zu['Zombie'/447, l='MpServer', x=36,69, y=45,00, z=-35,53], wy['Sheep'/432, l='MpServer', x=-12,25, y=71,00, z=-22,88], wx['Pig'/434, l='MpServer', x=-11,31, y=63,00, z=-37,50], wx['Pig'/439, l='MpServer', x=2,13, y=68,00, z=-72,22], wx['Pig'/425, l='MpServer', x=-66,53, y=82,00, z=-41,03], wx['Pig'/424, l='MpServer', x=-73,34, y=75,00, z=-36,47], wx['Pig'/426, l='MpServer', x=-36,91, y=82,00, z=-44,78], zp['Spider'/2357, l='MpServer', x=-21,72, y=52,00, z=40,07], wp['Chicken'/429, l='MpServer', x=-19,47, y=67,00, z=-53,53], wy['Sheep'/431, l='MpServer', x=-25,69, y=68,00, z=-40,50], wp['Chicken'/430, l='MpServer', x=-10,78, y=63,00, z=-35,53], zi['Skeleton'/2360, l='MpServer', x=-35,50, y=16,00, z=-16,50], zu['Zombie'/179, l='MpServer', x=11,50, y=50,00, z=10,88], wn['Bat'/176, l='MpServer', x=20,47, y=26,10, z=14,25], ym['Creeper'/182, l='MpServer', x=27,50, y=17,00, z=78,50], wx['Pig'/423, l='MpServer', x=-77,50, y=76,00, z=-33,16], zi['Skeleton'/181, l='MpServer', x=22,50, y=29,00, z=72,50], wx['Pig'/197, l='MpServer', x=43,97, y=75,00, z=64,16], wx['Pig'/196, l='MpServer', x=37,56, y=71,00, z=44,81], ym['Creeper'/4324, l='MpServer', x=14,50, y=21,00, z=56,50], zu['Zombie'/4322, l='MpServer', x=10,50, y=19,00, z=54,84], zu['Zombie'/4323, l='MpServer', x=10,50, y=21,00, z=47,50], zi['Skeleton'/3332, l='MpServer', x=44,50, y=25,00, z=-51,50], zp['Spider'/195, l='MpServer', x=47,00, y=27,00, z=34,00], yn['Enderman'/4590, l='MpServer', x=-37,50, y=55,00, z=43,50], yn['Enderman'/4591, l='MpServer', x=-39,50, y=55,00, z=41,50], wp['Chicken'/460, l='MpServer', x=51,56, y=69,00, z=-0,50], bqh['FunkyDutchy'/399, l='MpServer', x=-0,64, y=65,00, z=0,48], zi['Skeleton'/216, l='MpServer', x=43,28, y=23,00, z=45,47], wx['Pig'/458, l='MpServer', x=45,44, y=70,00, z=-6,31], wx['Pig'/457, l='MpServer', x=45,88, y=70,00, z=-4,78], zi['Skeleton'/456, l='MpServer', x=44,72, y=48,00, z=-36,25], wx['Pig'/213, l='MpServer', x=55,50, y=69,00, z=1,50], ym['Creeper'/3074, l='MpServer', x=-25,50, y=53,00, z=33,50], wx['Pig'/214, l='MpServer', x=60,19, y=68,00, z=22,88], zu['Zombie'/453, l='MpServer', x=47,50, y=36,00, z=-47,50], zi['Skeleton'/3075, l='MpServer', x=-25,50, y=53,00, z=29,50], zi['Skeleton'/2887, l='MpServer', x=-28,50, y=19,00, z=61,50], ym['Creeper'/3601, l='MpServer', x=-14,50, y=16,00, z=20,50], ym['Creeper'/3600, l='MpServer', x=-18,50, y=16,00, z=18,50], wx['Pig'/224, l='MpServer', x=69,06, y=71,00, z=8,81], zi['Skeleton'/3599, l='MpServer', x=-18,50, y=16,00, z=13,50]]
	Retry entities: 0 total; []
	Server brand: vanilla
	Server type: Integrated singleplayer server
Stacktrace:
	at boe.a(SourceFile:308)
	at bdf.b(SourceFile:2017)
	at bdf.f(SourceFile:746)
	at net.minecraft.client.main.Main.main(SourceFile:154)

-- System Details --
Details:
	Minecraft Version: 14w06a
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 327665624 bytes (312 MB) / 568918016 bytes (542 MB) up to 954466304 bytes (910 MB)
	JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
	IntCache: cache: 0, tcache: 0, allocated: 13, tallocated: 95
	Launched Version: 14w06a
	LWJGL: 2.9.1
	OpenGL: GeForce GT 555M/PCIe/SSE2 GL version 4.2.0, NVIDIA Corporation
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Anisotropic filtering is supported and maximum anisotropy is 16.
Shaders are available because OpenGL 2.1 is supported.

	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: []
	Current Language: English (US)
	Profiler Position: N/A (disabled)
	Anisotropic Filtering: Off (1)