buildbot failure in Mercurial on OS X 10.7 hg tests (stable)

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder OS X 10.7 hg tests (stable) while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/OS%20X%2010.7%20hg%20tests%20%28stable%29/builds/134

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

Buildslave for this Build: lion

Build Reason: scheduler
Build Source Stamp: [branch stable] f61c86d43b70c9a15c712b0ffc8dea642e38e973
Blamelist: Matt Mackall <mpm at selenic.com>

BUILD FAILED: failed http2

sincerely,
 -The Buildbot