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/630

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

Buildslave for this Build: p64.osuosl.test

Build Reason: scheduler
Build Source Stamp: [branch default] a58251c0568fc5e86089a803ca75f75cc8c01678
Blamelist: Matt Mackall <mpm at selenic.com>

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

sincerely,
 -The Buildbot