buildbot failure in Mercurial on OS X 10.6 hg tests (stable)

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder OS X 10.6 hg tests (stable) while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/OS%20X%2010.6%20hg%20tests%20%28stable%29/builds/218

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

Buildslave for this Build: sl

Build Reason: scheduler
Build Source Stamp: [branch stable] 66a613b592213820a22c2a5f93f90c55c3405a73
Blamelist: Adrian Buehlmann <adrian at cadifra.com>

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

sincerely,
 -The Buildbot