purugin start up log from using install script

gistfile1.txt

1.6.4:zeroeth@pixelmonster:minecraft(master)$ ./run.sh 
161 recipes
17 achievements
12:48:29 [INFO] Starting minecraft server version Beta 1.8.1
12:48:29 [INFO] Loading properties
12:48:29 [INFO] Starting Minecraft server on *:25565
12:48:29 [INFO] This server is running Craftbukkit version git-Bukkit-0.0.0-1067-g6301507-b1185jnks (MC: 1.8.1)
12:48:29 [SEVERE] Could not load 'plugins/bukkit.jar' in folder 'plugins': 
java.io.FileNotFoundException: Jar does not contain plugin.yml
	at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:64)
	at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:213)
	at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:136)
	at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:138)
	at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:103)
	at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:52)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:136)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:348)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
12:48:31 [SEVERE] LoadError: no such file to load -- bukkit
  require at org/jruby/RubyKernel.java:1038
   (root) at /purugin.rb:5

12:48:31 [SEVERE] (LoadError) no such file to load -- bukkit initializing PuruginPlugin v0.1 (Is it up to date?)
org.jruby.embed.EvalFailedException: (LoadError) no such file to load -- bukkit
	at org.jruby.embed.internal.EmbedEvalUnitImpl.run(EmbedEvalUnitImpl.java:127)
	at org.jruby.embed.ScriptingContainer.runUnit(ScriptingContainer.java:1231)
	at org.jruby.embed.ScriptingContainer.runScriptlet(ScriptingContainer.java:1262)
	at org.purugin.PuruginPlugin.executeScript(PuruginPlugin.java:45)
	at org.purugin.PuruginPlugin.onLoad(PuruginPlugin.java:37)
	at org.bukkit.craftbukkit.CraftServer.loadPlugins(CraftServer.java:141)
	at org.bukkit.craftbukkit.CraftServer.<init>(CraftServer.java:103)
	at net.minecraft.server.ServerConfigurationManager.<init>(ServerConfigurationManager.java:52)
	at net.minecraft.server.MinecraftServer.init(MinecraftServer.java:136)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:348)
	at net.minecraft.server.ThreadServerApplication.run(SourceFile:417)
Caused by: org.jruby.exceptions.RaiseException: (LoadError) no such file to load -- bukkit
12:48:31 [INFO] Preparing level "world"
12:48:31 [INFO] Default game type: 0
12:48:32 [INFO] Preparing start region for level 0 (Seed: -9022476790769071971)
12:48:32 [INFO] Preparing start region for level 1 (Seed: -9022476790769071971)
12:48:33 [INFO] Preparing spawn area: 8%
12:48:33 [INFO] PermissionsBukkit v1.1 is now enabled
12:48:33 [INFO] [dynmap] Using Bukkit Permissions (superperms) for access control
12:48:34 [INFO] [dynmap] Loaded 12 shaders.
12:48:35 [INFO] [dynmap] Loaded 56 perspectives.
12:48:35 [INFO] [dynmap] Loaded 6 lightings.
12:48:35 [INFO] [dynmap] Loaded 2 maps of world 'world'.
12:48:35 [INFO] [dynmap] Loaded 2 maps of world 'world_nether'.
12:48:35 [INFO] [dynmap] Dynmap WebServer started on null:8123
12:48:35 [INFO] [dynmap] version 0.21.1 is enabled
12:48:35 [INFO] Server permissions file permissions.yml is empty, ignoring it
12:48:35 [INFO] Done (0.382s)! For help, type "help" or "?"