Mercurial Failed to set label

I have had a few issues with TeamCity and Mercurial tagging, but those were related to running out of TeamCity Temp space on our TeamCity Server.  I am now experiencing a similar problem, except that I get no useful information from the debug log (set to debug-all).  Could this be related to the size of my repository (About 1.6GB)?

[2015-01-09 19:43:09,761]  DEBUG [cal executor 10] -      jetbrains.buildServer.VCS - [E:\TeamCityData\system\caches\mercurial\hg_-4048197814400385121] hg version --quiet
[2015-01-09 19:43:10,198]   WARN [rmal executor 4] -      jetbrains.buildServer.VCS - Failed to set label '10.0.158'
jetbrains.buildServer.vcs.VcsException: 'hg --config ui.interactive=False push --config auth.tc.prefix=* --config auth.tc.username=dsschurn --config auth.tc.password=****** --config "auth.tc.schemes=http https" http://dss-scm.stp.ime.*******.com/pubs' command failed.
    at jetbrains.buildServer.buildTriggers.vcs.mercurial.command.CommandResult.throwVcsException(CommandResult.java:94)
    at jetbrains.buildServer.buildTriggers.vcs.mercurial.command.CommandResult.logAndThrowError(CommandResult.java:84)
    at jetbrains.buildServer.buildTriggers.vcs.mercurial.command.CommandResult.checkFailure(CommandResult.java:69)
    at jetbrains.buildServer.buildTriggers.vcs.mercurial.command.CommandUtil.runCommand(CommandUtil.java:35)
    at jetbrains.buildServer.buildTriggers.vcs.mercurial.command.VcsRootCommand.runCommand(VcsRootCommand.java:28)
    at jetbrains.buildServer.buildTriggers.vcs.mercurial.command.PushCommand.call(PushCommand.java:51)
    at jetbrains.buildServer.buildTriggers.vcs.mercurial.MercurialVcsSupport.label(MercurialVcsSupport.java:552)
    at jetbrains.vcs.api.services.impl.LabelingServiceProvider$1.label(LabelingServiceProvider.java:1)
    at jetbrains.buildServer.vcs.impl.VcsLabeler.doSetLabel(VcsLabeler.java:17)
    at jetbrains.buildServer.vcs.impl.VcsLabeler.access$500(VcsLabeler.java:15)
    at jetbrains.buildServer.vcs.impl.VcsLabeler$2$1.run(VcsLabeler.java:2)
    at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source)
    at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source)
    at java.util.concurrent.FutureTask.run(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
    at java.lang.Thread.run(Unknown Source)