I have the following crash when building docs on Linux. This is on a clean, up-to-date HEAD build. Does anyone have any ideas? The "full traceback" is here # Sphinx version: 1.3.6 # Python version: 2.7.12 (CPython) # Docutils version: 0.12 release # Jinja2 version: 2.8 # Last messages: # Running Sphinx v1.3.6 # loading pickled environment... # not yet created # building [mo]: targets for 0 po files that are out of date # building [man]: all manpages # updating environment: # 40 added, 0 changed, 0 removed # reading sources... [ 2%] 8.2.1-notes # reading sources... [ 5%] 8.4.1-notes # Loaded extensions: # ghc_packages (1.0) from /5playpen/simonpj/HEAD-4/docs/users_guide/ghc_packages.pyc # sphinx.ext.extlinks (1.3.6) from /usr/lib/python2.7/dist-packages/sphinx/ext/extlinks.pyc # flags (1.0) from /5playpen/simonpj/HEAD-4/docs/users_guide/flags.pyc # sphinx.ext.mathjax (1.3.6) from /usr/lib/python2.7/dist-packages/sphinx/ext/mathjax.pyc # alabaster (0.7.7) from /usr/lib/python2.7/dist-packages/alabaster/__init__.pyc Traceback (most recent call last): File "/usr/lib/python2.7/dist-packages/sphinx/cmdline.py", line 244, in main app.build(opts.force_all, filenames) File "/usr/lib/python2.7/dist-packages/sphinx/application.py", line 267, in build self.builder.build_update() File "/usr/lib/python2.7/dist-packages/sphinx/builders/__init__.py", line 246, in build_update self.build(['__all__'], to_build) File "/usr/lib/python2.7/dist-packages/sphinx/builders/__init__.py", line 265, in build self.doctreedir, self.app)) File "/usr/lib/python2.7/dist-packages/sphinx/environment.py", line 547, in update self._read_serial(docnames, app) File "/usr/lib/python2.7/dist-packages/sphinx/environment.py", line 567, in _read_serial self.read_doc(docname, app) File "/usr/lib/python2.7/dist-packages/sphinx/environment.py", line 716, in read_doc encoding=self.config.source_encoding) File "/usr/lib/python2.7/dist-packages/sphinx/io.py", line 104, in __init__ FileInput.__init__(self, *args, **kwds) File "/usr/lib/python2.7/dist-packages/docutils/io.py", line 238, in __init__ raise InputError(error.errno, error.strerror, source_path) InputError: [Errno 2] No such file or directory: u'/5playpen/simonpj/HEAD-4/docs/users_guide/8.4.1-notes.rst' Simon Running Sphinx v1.3.6 loading pickled environment... not yet created building [mo]: targets for 0 po files that are out of date building [man]: all manpages updating environment: 40 added, 0 changed, 0 removed reading sources... [ 2%] 8.2.1-notes loading pickled environment... not yet created building [mo]: targets for 0 po files that are out of date building [html]: targets for 40 source files that are out of date updating environment: 40 added, 0 changed, 0 removed reading sources... [ 2%] 8.2.1-notes reading sources... [ 5%] 8.4.1-notes Exception occurred: File "/usr/lib/python2.7/dist-packages/docutils/io.py", line 238, in __init__ raise InputError(error.errno, error.strerror, source_path) InputError: [Errno 2] No such file or directory: u'/5playpen/simonpj/HEAD-4/docs/users_guide/8.4.1-notes.rst' The full traceback has been saved in /tmp/sphinx-err-XYpRbc.log, if you want to report the issue to the developers. Please also report this if it was a user error, so that a better error message can be provided next time. A bug report can be filed in the tracker at https://github.com/sphinx-doc/sphinx/issues. Thanks! docs/users_guide/ghc.mk:28: recipe for target 'docs/users_guide/build-man/ghc.1' failed make[1]: *** [docs/users_guide/build-man/ghc.1] Error 1 make[1]: *** Waiting for unfinished jobs.... reading sources... [ 5%] 8.4.1-notes Exception occurred: File "/usr/lib/python2.7/dist-packages/docutils/io.py", line 238, in __init__ raise InputError(error.errno, error.strerror, source_path) InputError: [Errno 2] No such file or directory: u'/5playpen/simonpj/HEAD-4/docs/users_guide/8.4.1-notes.rst' The full traceback has been saved in /tmp/sphinx-err-2RrOTD.log, if you want to report the issue to the developers. Please also report this if it was a user error, so that a better error message can be provided next time. A bug report can be filed in the tracker at https://github.com/sphinx-doc/sphinx/issues. Thanks! docs/users_guide/ghc.mk:16: recipe for target 'docs/users_guide/build-html/users_guide/index.html' failed make[1]: *** [docs/users_guide/build-html/users_guide/index.html] Error 1