buildbot failure in Mercurial on hg tests

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder hg tests while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/hg%20tests/builds/376

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

Buildslave for this Build: l6

Build Reason: scheduler
Build Source Stamp: [branch default] e411fd79ca698a5d7c59b826acb7c52e07f14648
Blamelist: Pierre-Yves David <pierre-yves.david at ens-lyon.org>,Pierre-Yves David <pierre-yves.david at logilab.fr>

BUILD FAILED: failed run-tests.py (python2.5)

sincerely,
 -The Buildbot