[22:08:50 INFO]: Job 'Version & Libraries' finished successfully (took 0:01:54.644)
[22:08:50 INFO]: Launching game
[22:08:50 INFO]: Unpacking natives to /Users/mac/Library/Application Support/minecraft/versions/1.8.8/1.8.8-natives-6828913146202
[22:08:50 WARN]: No assets index file /Users/mac/Library/Application Support/minecraft/assets/virtual/1.8; can't reconstruct assets
[22:08:50 INFO]: Launching in /Users/mac/Library/Application Support/minecraft
[22:08:50 FATAL]: Fatal error launching game. Report this to http://bugs.mojang.com please!
java.io.FileNotFoundException: File '/Users/mac/Library/Application Support/minecraft/assets/indexes/1.8.json' does not exist
	at org.apache.commons.io.FileUtils.openInputStream(FileUtils.java:299) ~[launcher.jar:1.6.48]
	at org.apache.commons.io.FileUtils.readFileToString(FileUtils.java:1711) ~[launcher.jar:1.6.48]
	at net.minecraft.launcher.game.MinecraftGameRunner.getAssetObject(MinecraftGameRunner.java:244) ~[launcher.jar:1.6.48]
	at net.minecraft.launcher.game.MinecraftGameRunner.launchGame(MinecraftGameRunner.java:156) ~[launcher.jar:1.6.48]
	at com.mojang.launcher.game.runner.AbstractGameRunner.onDownloadJobFinished(AbstractGameRunner.java:186) [launcher.jar:1.6.48]
	at com.mojang.launcher.updater.download.DownloadJob.popAndDownload(DownloadJob.java:122) [launcher.jar:1.6.48]
	at com.mojang.launcher.updater.download.DownloadJob.access$000(DownloadJob.java:12) [launcher.jar:1.6.48]
	at com.mojang.launcher.updater.download.DownloadJob$1.run(DownloadJob.java:86) [launcher.jar:1.6.48]
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_60]
	at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_60]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) [?:1.8.0_60]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) [?:1.8.0_60]
	at java.lang.Thread.run(Thread.java:745) [?:1.8.0_60]