buildbot failure in Mercurial on OS X 10.7 hg tests (stable)

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder OS X 10.7 hg tests (stable) while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/OS%20X%2010.7%20hg%20tests%20%28stable%29/builds/246

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

Buildslave for this Build: lion

Build Reason: scheduler
Build Source Stamp: [branch stable] e689b0d9154605b8b04989c4fdd36e76d6cf26b8
Blamelist: Andr? Sintzoff <andre.sintzoff at gmail.com>,Matt Mackall <mpm at selenic.com>,Pierre-Yves David <pierre-yves.david at ens-lyon.org>

BUILD FAILED: failed run-tests.py (python2.6) run-tests.py (python2.7) pure

sincerely,
 -The Buildbot