buildbot failure in Mercurial on hg tests

[hgbuildbot at kublai.com]

The Buildbot has detected a new failure on builder hg tests while building hg.
Full details are available at:
 http://hgbuildbot.kublai.com/builders/hg%20tests/builds/106

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

Buildslave for this Build: l6

Build Reason: scheduler
Build Source Stamp: [branch default] 7f76c97361e002ff500998ff051fd2c94b469685
Blamelist: Martin Geisler <mg at aragost.com>

BUILD FAILED: failed pure

sincerely,
 -The Buildbot