buildbot failure in on trafficserver-website

[buildbot]

The Buildbot has detected a new failure on builder trafficserver-website while 
building . Full details are available at:
    https://ci.apache.org/builders/trafficserver-website/builds/21

Buildbot URL: https://ci.apache.org/

Buildslave for this Build: bb_slave7_ubuntu

Build Reason: forced: by IRC user <Humbedooh> on channel #asftest: None
Build Source Stamp: HEAD
Blamelist: 

BUILD FAILED: failed shell_2

Sincerely,
 -The Buildbot