Unable to update plugins from custom builds

Hey all,

I'm running custom HEAD@master builds of IntellIJ CE and notice that when I go to the plugin manager I get the following:

2015-04-09 10:15:12,333 [6519111]   INFO - .ide.plugins.PluginManagerMain -
java.net.MalformedURLException: no protocol: ?build=IC-142.SNAPSHOT
        at java.net.URL.<init>(URL.java:586)
        at java.net.URL.<init>(URL.java:483)
        at java.net.URL.<init>(URL.java:432)
        at com.intellij.util.net.HttpConfigurable.openConnection(HttpConfigurable.java:377)
        at com.intellij.util.io.HttpRequests.openConnection(HttpRequests.java:255)
        at com.intellij.util.io.HttpRequests.access$000(HttpRequests.java:52)
        at com.intellij.util.io.HttpRequests$1RequestImpl.getConnection(HttpRequests.java:142)
        at com.intellij.ide.plugins.RepositoryHelper$1.process(RepositoryHelper.java:146)
        at com.intellij.ide.plugins.RepositoryHelper$1.process(RepositoryHelper.java:139)
        at com.intellij.util.io.HttpRequests.process(HttpRequests.java:235)
        at com.intellij.util.io.RequestBuilder.connect(RequestBuilder.java:121)
        at com.intellij.ide.plugins.RepositoryHelper.loadPlugins(RepositoryHelper.java:139)
        at com.intellij.ide.plugins.RepositoryHelper.loadPlugins(RepositoryHelper.java:104)
        at com.intellij.ide.plugins.PluginManagerMain$7.run(PluginManagerMain.java:334)
        at com.intellij.openapi.application.impl.ApplicationImpl$8.run(ApplicationImpl.java:409)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
        at java.util.concurrent.FutureTask.run(FutureTask.java:266)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
        at java.lang.Thread.run(Thread.java:745)
        at org.jetbrains.ide.PooledThreadExecutor$1$1.run(PooledThreadExecutor.java:56)


Is this something broken in configuration somewhere or....