buildbot failure in Mercurial on hg tests (stable)

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder hg tests (stable) while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/hg%20tests%20%28stable%29/builds/262

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

Buildslave for this Build: l6

Build Reason: scheduler
Build Source Stamp: [branch stable] 28aaa24dc36b10568d114fa2faa5a3bcdd9f0aa3
Blamelist: Matt Mackall <mpm at selenic.com>

BUILD FAILED: failed run-tests.py (python2.4) run-tests.py (python2.5) run-tests.py (python2.6) pure http2

sincerely,
 -The Buildbot