[MCL-3958] minecraft crash with new launcher on osx

on mac osx since the new launcher my minecraft keeps crashing when i start....its says;

Java HotSpot(TM) 64-Bit Server VM warning: Using incremental CMS is deprecated and will likely be removed in a future release
Completely ignored arguments: [--nativePath, /Applications/Minecraft.app, --nativeStartupPath, /Applications/Minecraft.app/Contents, --nativeExecutable, /Applications/Minecraft.app/Contents/MacOS/launcher, -psn_0_409700, --nativeLauncherVersion, 275]
[23:49:41] [Client thread/INFO]: Setting user: gjsupercool
[23:49:41] [Client thread/INFO]: (Session ID is token:d0be75a9032e4c4bbbc68bbb94ebae8f:00e061090c0c41f9b8e8de6163df030a)
Exception in thread "Client thread" java.lang.NullPointerException
	at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:213)
	at com.google.common.collect.Lists$ReverseList.<init>(Lists.java:767)
	at com.google.common.collect.Lists.reverse(Lists.java:759)
	at lt.b(SourceFile:156)
	at lt.<init>(SourceFile:43)
	at net.minecraft.server.MinecraftServer.<init>(SourceFile:155)
	at bpo.<init>(SourceFile:41)
	at ave.<init>(SourceFile:293)
	at net.minecraft.client.main.Main.main(SourceFile:124)