After starting the Minecraft client, I pressed F11 in the main menu to maximize the window. This caused the crash and can be reproduced.

Error log:

---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 16.08.14 09:02
Description: Updating screen events

java.lang.IllegalStateException: Keyboard must be created before you can read events
at org.lwjgl.input.Keyboard.next(Keyboard.java:475)
at bwx.p(SourceFile:387)
at bso.r(SourceFile:1477)
at bso.as(SourceFile:875)
at bso.a(SourceFile:312)
at net.minecraft.client.main.Main.main(SourceFile:120)

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

– Head –
Stacktrace:
at org.lwjgl.input.Keyboard.next(Keyboard.java:475)
at bwx.p(SourceFile:387)

– Affected screen –
Details:
Screen name: bxi
Stacktrace:
at bso.r(SourceFile:1477)
at bso.as(SourceFile:875)
at bso.a(SourceFile:312)
at net.minecraft.client.main.Main.main(SourceFile:120)

– System Details –
Details:
Minecraft Version: 14w33c
Operating System: Windows 8 (amd64) version 6.2
Java Version: 1.7.0_45, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 135047144 bytes (128 MB) / 214069248 bytes (204 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 14w33c
LWJGL: 2.9.1
OpenGL: ~_ERROR~ RuntimeException: No OpenGL context found in the current thread.
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.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

Using VBOs: No
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)