[Python-modules-team] Bug#895882: sphinx: version 1.7.2-1 causes regression in sphinxcontrib-bibtex (Unknown node: bibliography)

[Paul Gevers]

Source: sphinx
Version: 1.7.2-1
Severity: serious
User: debian-ci at lists.debian.org
Usertags: triggers
Affects: sphinxcontrib-bibtex

Since the upload of sphinx version 1.7.2-1, the autopkgtest of
sphinxcontrib-bibtex¹ fails with the errors copied below.

As all the failures (25 failures/28 tests) really come from the same
issue (NotImplementedError: Unknown node: bibliography), the ratio
between passes and failures is so high, and the missing node name
suggests core functionality for sphinxcontrib-bibtex I file this bug
with severity *serious* against sphinx. If you believe this was
exaggerated or the issue is really in sphinxcontrib-bibtex, please don't
hesitate to lower it accordingly and/or reassign to sphinxcontrib-bibtex.

I suggest the maintainers of sphinx and sphinxcontrib-bibtex discuss how
this issue should be solved (hence the CC).

Paul

¹ https://ci.debian.net/packages/s/sphinxcontrib-bibtex

======================================================================
ERROR: test_bibfilenotfound.test_bibfilenotfound
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_bibfilenotfound.py",
line 22, in test_bibfilenotfound
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_citationnotfound.test_citationnotfound
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_citationnotfound.py",
line 22, in test_citationnotfound
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_crossref.test_crossref
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_crossref.py",
line 21, in test_crossref
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/crossref/contents.rst:1:citation
not found: 2001:zaffalon

======================================================================
ERROR: test_custom_style.test_custom_style
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_custom_style.py",
line 22, in test_custom_style
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_filter.test_filter
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_filter.py",
line 22, in test_filter
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_filter_fix_author_keyerror.test_filter_fix_author_keyerror
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_filter_fix_author_keyerror.py",
line 22, in test_filter_fix_author_keyerror
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_filter_option_clash.test_filter_option_clash
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_filter_option_clash.py",
line 22, in test_filter_option_clash
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_filter_syntax_error.test_filter_syntax_error
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_filter_syntax_error.py",
line 23, in test_filter_syntax_error
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_issue14.test_duplicate_label
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue14.py",
line 22, in test_duplicate_label
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_issue14_2.test_label_prefix
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue14_2.py",
line 22, in test_label_prefix
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue14_2/doc1.rst:4:citation
not found: Test

======================================================================
ERROR: test_issue15.test_duplicate_label
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue15.py",
line 22, in test_duplicate_label
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue15/contents.rst:1:citation
not found: first

======================================================================
ERROR: test_issue2.test_mixing_citation_styles
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue2.py",
line 22, in test_mixing_citation_styles
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue2/adoc1.rst:4:citation
not found: Test

======================================================================
ERROR: test_issue4.test_encoding
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue4.py",
line 22, in test_encoding
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue4/contents.rst:1:citation
not found: Test

======================================================================
ERROR: test_issue61.test_multiple_keys
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue61.py",
line 21, in test_multiple_keys
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue61/contents.rst:4:citation
not found: testone

======================================================================
ERROR: test_issue62.test_local_bibliographies
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue62.py",
line 75, in test_local_bibliographies
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue62/doc1.rst:7:citation
not found: fuhrmans_molecular_2012

======================================================================
ERROR: test_issue77.test_issue77
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue77.py",
line 21, in test_issue77
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue77/contents.rst:1:citation
not found: 2009:mandel

======================================================================
ERROR: test_issue85.test_issue77
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue85.py",
line 19, in test_issue77
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue85/contents.rst:1:citation
not found: _software_2015

======================================================================
ERROR: test_issue87.test_issue87
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue87.py",
line 21, in test_issue87
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue87/doc0.rst:4:citation
not found: tag0-2009:mandel

======================================================================
ERROR: test_issue91.test_issue91
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_issue91.py",
line 22, in test_issue91
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/issue91/contents.rst:1:citation
not found: 2009:mandel

======================================================================
ERROR: test_latex_refs.test_latex_refs
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_latex_refs.py",
line 21, in test_latex_refs
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/latex.py", line
145, in write
    appendices=((docclass != 'howto') and self.config.latex_appendices
or []))
  File "/usr/lib/python3/dist-packages/sphinx/builders/latex.py", line
195, in assemble_doctree
    self.env.resolve_references(largetree, indexfile, self)
  File "/usr/lib/python3/dist-packages/sphinx/environment/__init__.py",
line 847, in resolve_references
    self.apply_post_transforms(doctree, fromdocname)
  File "/usr/lib/python3/dist-packages/sphinx/environment/__init__.py",
line 860, in apply_post_transforms
    transformer.apply_transforms()
  File "/usr/lib/python3/dist-packages/sphinx/transforms/__init__.py",
line 96, in apply_transforms
    Transformer.apply_transforms(self)
  File "/usr/lib/python3/dist-packages/docutils/transforms/__init__.py",
line 171, in apply_transforms
    transform.apply(**kwargs)
  File
"/usr/lib/python3/dist-packages/sphinx/transforms/post_transforms/__init__.py",
line 101, in apply
    self.warn_missing_reference(refdoc, typ, target, node, domain)
  File
"/usr/lib/python3/dist-packages/sphinx/transforms/post_transforms/__init__.py",
line 177, in warn_missing_reference
    location=node, type='ref', subtype=typ)
  File "/usr/lib/python3.6/logging/__init__.py", line 1640, in warning
    self.log(WARNING, msg, *args, **kwargs)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
112, in log
    super(SphinxLoggerAdapter, self).log(level, msg, *args, **kwargs)
  File "/usr/lib/python3.6/logging/__init__.py", line 1672, in log
    self.logger.log(level, msg, *args, **kwargs)
  File "/usr/lib/python3.6/logging/__init__.py", line 1372, in log
    self._log(level, msg, args, **kwargs)
  File "/usr/lib/python3.6/logging/__init__.py", line 1442, in _log
    self.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/latex_refs/contents.rst:4:citation
not found: 1657:huygens

======================================================================
ERROR: test_list_bullet.test_list_bullet
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_list_bullet.py",
line 22, in test_list_bullet
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_list_citation.test_list_citation
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
233, in pending_warnings
    yield memhandler
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_list_citation.py",
line 22, in test_list_citation
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3.6/contextlib.py", line 99, in __exit__
    self.gen.throw(type, value, traceback)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
240, in pending_warnings
    memhandler.flushTo(logger)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
206, in flushTo
    logger.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1452, in handle
    self.callHandlers(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 1514, in callHandlers
    hdlr.handle(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 859, in handle
    rv = self.filter(record)
  File "/usr/lib/python3.6/logging/__init__.py", line 718, in filter
    result = f.filter(record)
  File "/usr/lib/python3/dist-packages/sphinx/util/logging.py", line
380, in filter
    raise SphinxWarning(location + ":" + message)
sphinx.errors.SphinxWarning:
/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/list_citation/contents.rst:1:citation
not found: test1

======================================================================
ERROR: test_list_enumerated.test_list_enumerated
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_list_enumerated.py",
line 22, in test_list_enumerated
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_list_invalid.test_list_invalid
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_list_invalid.py",
line 22, in test_list_invalid
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

======================================================================
ERROR: test_sphinx.test_sphinx
----------------------------------------------------------------------
Traceback (most recent call last):
  File "/usr/lib/python3/dist-packages/nose/case.py", line 197, in runTest
    self.test(*self.arg)
  File "/usr/lib/python3/dist-packages/sphinx_testing/util.py", line
143, in decorator
    func(*(args + (app, status, warning)), **kwargs)
  File
"/tmp/autopkgtest-lxc.pusg50mw/downtmp/autopkgtest_tmp/test/test_sphinx.py",
line 22, in test_sphinx
    app.builder.build_all()
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 295, in build_all
    self.build(None, summary='all source files', method='all')
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 399, in build
    self.write(docnames, list(updated_docnames), method)
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 436, in write
    self._write_serial(sorted(docnames))
  File "/usr/lib/python3/dist-packages/sphinx/builders/__init__.py",
line 445, in _write_serial
    self.write_doc(docname, doctree)
  File "/usr/lib/python3/dist-packages/sphinx/builders/html.py", line
602, in write_doc
    self.docwriter.write(doctree, destination)
  File "/usr/lib/python3/dist-packages/docutils/writers/__init__.py",
line 80, in write
    self.translate()
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line 56,
in translate
    self.document.walkabout(visitor)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 174, in
walkabout
    if child.walkabout(visitor):
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 166, in
walkabout
    visitor.dispatch_visit(self)
  File "/usr/lib/python3/dist-packages/docutils/nodes.py", line 1882, in
dispatch_visit
    return method(node)
  File "/usr/lib/python3/dist-packages/sphinx/writers/html.py", line
882, in unknown_visit
    raise NotImplementedError('Unknown node: ' + node.__class__.__name__)
NotImplementedError: Unknown node: bibliography

----------------------------------------------------------------------
Ran 28 tests in 3.736s

FAILED (errors=25)

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