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/136

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

Buildslave for this Build: lion

Build Reason: scheduler
Build Source Stamp: [branch default] f694ab54b66097ce96a9fa22c0869abcca3182cc
Blamelist: Bryan O'Sullivan <bryano at fb.com>,David Schleimer <dschleimer at fb.com>,Matt Mackall <mpm at selenic.com>,Olav Reinert <seroton10 at gmail.com>

BUILD FAILED: failed run-tests.py (python2.6) http2

sincerely,
 -The Buildbot