buildbot failure in Mercurial on OS X 10.6 hg tests

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder OS X 10.6 hg tests while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/OS%20X%2010.6%20hg%20tests/builds/423

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

Buildslave for this Build: sl

Build Reason: scheduler
Build Source Stamp: [branch default] 100fdc84670f629f874c70f9fcbbdeaf5f3b49f7
Blamelist: Johannes Schlatow <johannes at schlatow.name>,Pierre-Yves David <pierre-yves.david at ens-lyon.org>,Sune Foldager <cryo at cyanite.org>

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

sincerely,
 -The Buildbot