buildbot failure in Mercurial on OS X 10.7 hg tests

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder OS X 10.7 hg tests while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/OS%20X%2010.7%20hg%20tests/builds/319

Buildbot URL: http://hgbuildbot.kublai.com/

Buildslave for this Build: lion

Build Reason: scheduler
Build Source Stamp: [branch default] 8216eb592dcd4618bb7f375cd1711a725ebf9f69
Blamelist: Augie Fackler <raf at durin42.com>,Tim Henigan <tim.henigan at gmail.com>

BUILD FAILED: failed pure

sincerely,
 -The Buildbot