[Qa-jenkins-scm] Build failed in Jenkins: reproducible_html_graphs #5791

[jenkins at jenkins.debian.net]

See <https://jenkins.debian.net/job/reproducible_html_graphs/5791/>

------------------------------------------
Started by timer
Building in workspace <https://jenkins.debian.net/job/reproducible_html_graphs/ws/>
[workspace] $ /bin/sh -xe /tmp/hudson5517040137344765570.sh
+ /srv/jenkins/bin/reproducible_html_graphs.sh
====================================================================================

Thu May 28 09:02:08 UTC 2015 - running job reproducible_html_graphs now.

To understand what this job does, clone git.debian.org/git/qa/jenkins.debian.net.git
and then have a look at bin/reproducible_html_graphs.sh

This invocation of the script has been called using "" as arguments.

====================================================================================
Thu May 28 09:02:08 UTC 2015 - start running "/srv/jenkins/bin/reproducible_html_graphs.sh" as "/tmp/jenkins-script-lC9OYhzc".

Thu May 28 09:02:09 UTC 2015 - starting to write index_stats.html page.
Enjoy https://reproducible.debian.net/index_stats.html
Thu May 28 09:02:21 UTC 2015 - starting to write index_suite_stats.html page.
Checking whether to update testing/stats_builds_age.png...
Updating testing/stats_builds_age.png...
Generating testing/stats_builds_age.png.
Error in palette(c("#4e9a06")) : unknown palette (need >= 2 colors)
Traceback (most recent call last):
  File "/srv/jenkins/bin/make_graph.py", line 64, in <module>
    main()
  File "/srv/jenkins/bin/make_graph.py", line 47, in main
    r('palette(c("#4e9a06"))')
  File "/usr/lib/python2.7/dist-packages/rpy2/robjects/__init__.py", line 225, in __call__
    res = self.eval(p)
  File "/usr/lib/python2.7/dist-packages/rpy2/robjects/functions.py", line 82, in __call__
    return super(SignatureTranslatedFunction, self).__call__(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/rpy2/robjects/functions.py", line 34, in __call__
    res = super(Function, self).__call__(*new_args, **new_kwargs)
rpy2.rinterface.RRuntimeError: Error in palette(c("#4e9a06")) : unknown palette (need >= 2 colors)

Thu May 28 09:02:27 UTC 2015 - /srv/jenkins/bin/reproducible_html_graphs.sh stopped running as /tmp/jenkins-script-lC9OYhzc, which will now be removed.
Build step 'Execute shell' marked build as failure