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/348

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

Buildslave for this Build: sl

Build Reason: scheduler
Build Source Stamp: [branch stable] 10a0ae668fe62418b89fc58da26b0f40172266b2
Blamelist: Augie Fackler <raf at durin42.com>

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

sincerely,
 -The Buildbot