NotImplementedError: rst2rst.writer.RSTTranslator visiting unknown node type: docinfo

[mcepl]

While processing new_life_of_petunia_dursley.rst (from https://gitlab.com/mcepl/petunia_dursley/) I got this error with rst2rst from the master HEAD:

matej@mitmanek: petunia_dursley (master *%)$ rst2rst --traceback new_life_of_petunia_dursley.rst /tmp/petunia.rst
Traceback (most recent call last):
  File "/home/matej/.local/bin/rst2rst", line 11, in <module>
    load_entry_point('rst2rst==0.3.dev0', 'console_scripts', 'rst2rst')()
  File "/home/matej/.local/lib/python2.7/site-packages/rst2rst/scripts/rst2rst.py", line 14, in main
    description=description)
  File "/home/matej/.local/lib/python2.7/site-packages/docutils/core.py", line 354, in publish_cmdline
    config_section=config_section, enable_exit_status=enable_exit_status)
  File "/home/matej/.local/lib/python2.7/site-packages/docutils/core.py", line 219, in publish
    output = self.writer.write(self.document, self.destination)
  File "/home/matej/.local/lib/python2.7/site-packages/docutils/writers/__init__.py", line 80, in write
    self.translate()
  File "/home/matej/.local/lib/python2.7/site-packages/rst2rst/writer.py", line 83, in translate
    self.document.walkabout(self.visitor)
  File "/home/matej/.local/lib/python2.7/site-packages/docutils/nodes.py", line 174, in walkabout
    if child.walkabout(visitor):
  File "/home/matej/.local/lib/python2.7/site-packages/docutils/nodes.py", line 166, in walkabout
    visitor.dispatch_visit(self)
  File "/home/matej/.local/lib/python2.7/site-packages/docutils/nodes.py", line 1882, in dispatch_visit
    return method(node)
  File "/home/matej/.local/lib/python2.7/site-packages/docutils/nodes.py", line 1907, in unknown_visit
    % (self.__class__, node.__class__.__name__))
NotImplementedError: rst2rst.writer.RSTTranslator visiting unknown node type: docinfo
matej@mitmanek: petunia_dursley (master *%)$