Memory consumption increases until crash on Start

Minecraft Crash Report ----
// Oh - I know what I did wrong!

Time: 12/29/13 11:51 AM
Description: Applying mipmap

java.lang.OutOfMemoryError: Java heap space
at java.util.Arrays.copyOf(Arrays.java:2786)
at sun.misc.IOUtils.readFully(IOUtils.java:43)
at java.util.jar.JarFile.getBytes(JarFile.java:369)
at java.util.jar.JarFile.getManifestFromReference(JarFile.java:162)
at java.util.jar.JarFile.getInputStream(JarFile.java:405)
at sun.misc.URLClassPath$JarLoader$2.getInputStream(URLClassPath.java:708)
at sun.misc.Resource.cachedInputStream(Resource.java:61)
at sun.misc.Resource.getByteBuffer(Resource.java:144)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:256)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at bqw.d(SourceFile:249)
at bqs.b(SourceFile:165)
at bqs.a(SourceFile:90)
at bqy.a(SourceFile:72)
at bqy.a(SourceFile:61)
at bqy.a(SourceFile:52)
at azi.ad(SourceFile:422)
at azi.f(SourceFile:696)
at net.minecraft.client.main.Main.main(SourceFile:152)

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

– Head –
Stacktrace:
at java.util.Arrays.copyOf(Arrays.java:2786)
at sun.misc.IOUtils.readFully(IOUtils.java:43)
at java.util.jar.JarFile.getBytes(JarFile.java:369)
at java.util.jar.JarFile.getManifestFromReference(JarFile.java:162)
at java.util.jar.JarFile.getInputStream(JarFile.java:405)
at sun.misc.URLClassPath$JarLoader$2.getInputStream(URLClassPath.java:708)
at sun.misc.Resource.cachedInputStream(Resource.java:61)
at sun.misc.Resource.getByteBuffer(Resource.java:144)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:256)
at java.net.URLClassLoader.access$000(URLClassLoader.java:58)
at java.net.URLClassLoader$1.run(URLClassLoader.java:197)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:190)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:301)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
at bqw.d(SourceFile:249)

– Sprite being mipmapped –
Details:
Sprite name: quartz_ore
Sprite size: 528 x 528
Sprite frames: 32 frames
Mipmap levels: 4
Stacktrace:
at bqs.b(SourceFile:165)
at bqs.a(SourceFile:90)

– Resource location being registered –
Details:
Resource location: minecraft:textures/atlas/blocks.png
Texture object class: bqs
Stacktrace:
at bqy.a(SourceFile:72)
at bqy.a(SourceFile:61)
at bqy.a(SourceFile:52)
at azi.ad(SourceFile:422)

– Initialization –
Details:
Stacktrace:
at azi.f(SourceFile:696)
at net.minecraft.client.main.Main.main(SourceFile:152)

– System Details –
Details:
Minecraft Version: 1.7.4
Operating System: Mac OS X (x86_64) version 10.6.8
Java Version: 1.6.0_65, Apple Inc.
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Apple Inc.
Memory: 7461496 bytes (7 MB) / 1065025536 bytes (1015 MB) up to 1065025536 bytes (1015 MB)
JVM Flags: 1 total; -Xmx1G
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
Launched Version: 1.7.4
LWJGL: 2.9.1
OpenGL: Intel HD Graphics 3000 OpenGL Engine GL version 2.1 APPLE-1.6.42, Intel Inc.
GL Caps: Using GL 1.3 multitexturing.
Using framebuffer objects because ARB_framebuffer_object 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: [Sphax PureBDcraft 512x MC17.zip]
Current Language: English (US)
Profiler Position: N/A (disabled)
Vec3 Pool Size: ~_ERROR~ NullPointerException: null
Anisotropic Filtering: On (16)