Read the Docs build information
Build id: 6784
Project: beckhoff
Version: stable
Commit: eca9737bb7d750101e841bf5162933b19ee06dcd
Date: 2018-03-29T01:16:41.658993Z
State: finished
Success: False


[rtd-command-info] start-time: 2018-03-29T06:16:43.539000Z, end-time: 2018-03-29T06:16:48.545000Z, duration: 5, exit-code: 0
python -mvirtualenv --no-site-packages --no-download /user_builds/beckhoff/envs/stable
New python executable in /user_builds/beckhoff/envs/stable/bin/python
Installing setuptools, pip, wheel...done.


[rtd-command-info] start-time: 2018-03-29T06:16:48.606000Z, end-time: 2018-03-29T06:16:55.882000Z, duration: 7, exit-code: 0
python /user_builds/beckhoff/envs/stable/bin/pip install --use-wheel -U --cache-dir /user_builds/beckhoff/.cache/pip sphinx==1.3.5 Pygments==2.1.3 setuptools==20.1.1 docutils==0.12 mkdocs==0.15.0 mock==1.0.1 pillow==2.6.1 git+https://github.com/rtfd/readthedocs-sphinx-ext.git@0.6-alpha#egg=readthedocs-sphinx-ext sphinx-rtd-theme==0.1.9 alabaster>=0.7,<0.8,!=0.7.5 commonmark==0.5.4 recommonmark==0.1.1
Requirement already up-to-date: sphinx==1.3.5 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Requirement already up-to-date: Pygments==2.1.3 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Collecting setuptools==20.1.1
  Using cached setuptools-20.1.1-py2.py3-none-any.whl
Requirement already up-to-date: docutils==0.12 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Requirement already up-to-date: mkdocs==0.15.0 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Requirement already up-to-date: mock==1.0.1 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Requirement already up-to-date: pillow==2.6.1 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Collecting readthedocs-sphinx-ext from git+https://github.com/rtfd/readthedocs-sphinx-ext.git@0.6-alpha#egg=readthedocs-sphinx-ext
  Cloning https://github.com/rtfd/readthedocs-sphinx-ext.git (to 0.6-alpha) to /tmp/pip-build-CBUoPh/readthedocs-sphinx-ext
Requirement already up-to-date: sphinx-rtd-theme==0.1.9 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Requirement already up-to-date: alabaster!=0.7.5,<0.8,>=0.7 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Requirement already up-to-date: commonmark==0.5.4 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Requirement already up-to-date: recommonmark==0.1.1 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages
Requirement already up-to-date: babel!=2.0,>=1.3 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from sphinx==1.3.5)
Requirement already up-to-date: snowballstemmer>=1.1 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from sphinx==1.3.5)
Requirement already up-to-date: six>=1.4 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from sphinx==1.3.5)
Requirement already up-to-date: Jinja2>=2.3 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from sphinx==1.3.5)
Requirement already up-to-date: Markdown>=2.3.1 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from mkdocs==0.15.0)
Requirement already up-to-date: livereload>=2.3.2 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from mkdocs==0.15.0)
Requirement already up-to-date: PyYAML>=3.10 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from mkdocs==0.15.0)
Requirement already up-to-date: tornado>=4.1 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from mkdocs==0.15.0)
Requirement already up-to-date: click>=4.0 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from mkdocs==0.15.0)
Requirement already up-to-date: mkdocs-bootswatch>=0.1.0 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from mkdocs==0.15.0)
Requirement already up-to-date: mkdocs-bootstrap>=0.1.1 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from mkdocs==0.15.0)
Requirement already up-to-date: requests in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from readthedocs-sphinx-ext)
Requirement already up-to-date: nilsimsa>=0.3.7 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from readthedocs-sphinx-ext)
Requirement already up-to-date: pytz>=0a in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from babel!=2.0,>=1.3->sphinx==1.3.5)
Requirement already up-to-date: MarkupSafe>=0.23 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from Jinja2>=2.3->sphinx==1.3.5)
Requirement already up-to-date: futures in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from tornado>=4.1->mkdocs==0.15.0)
Requirement already up-to-date: backports-abc>=0.4 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from tornado>=4.1->mkdocs==0.15.0)
Requirement already up-to-date: singledispatch in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from tornado>=4.1->mkdocs==0.15.0)
Requirement already up-to-date: urllib3<1.23,>=1.21.1 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from requests->readthedocs-sphinx-ext)
Requirement already up-to-date: certifi>=2017.4.17 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from requests->readthedocs-sphinx-ext)
Requirement already up-to-date: chardet<3.1.0,>=3.0.2 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from requests->readthedocs-sphinx-ext)
Requirement already up-to-date: idna<2.7,>=2.5 in /user_builds/beckhoff/envs/stable/lib/python2.7/site-packages (from requests->readthedocs-sphinx-ext)
Installing collected packages: setuptools, readthedocs-sphinx-ext
  Found existing installation: setuptools 20.3
    Uninstalling setuptools-20.3:
      Successfully uninstalled setuptools-20.3
  Found existing installation: readthedocs-sphinx-ext 0.5.4
    Uninstalling readthedocs-sphinx-ext-0.5.4:
      Successfully uninstalled readthedocs-sphinx-ext-0.5.4
  Running setup.py install for readthedocs-sphinx-ext: started
    Running setup.py install for readthedocs-sphinx-ext: finished with status 'done'
Successfully installed readthedocs-sphinx-ext-0.5.4 setuptools-20.1.1
You are using pip version 8.1.1, however version 9.0.3 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.


[rtd-command-info] start-time: 2018-03-29T06:16:55.957000Z, end-time: 2018-03-29T06:16:57.413000Z, duration: 1, exit-code: 1
python /user_builds/beckhoff/envs/stable/bin/pip install --exists-action=w --cache-dir /user_builds/beckhoff/.cache/pip -r/user_builds/beckhoff/checkouts/stable/doc/requirements.txt
Invalid requirement: '<!DOCTYPE html>'
Traceback (most recent call last):
  File "/user_builds/beckhoff/envs/stable/lib/python2.7/site-packages/pip/req/req_install.py", line 77, in __init__
    req = pkg_resources.Requirement.parse(req)
  File "/user_builds/beckhoff/envs/stable/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 3036, in parse
    req, = parse_requirements(s)
  File "/user_builds/beckhoff/envs/stable/lib/python2.7/site-packages/pip/_vendor/pkg_resources/__init__.py", line 2967, in parse_requirements
    raise RequirementParseError("Missing distribution spec", line)
RequirementParseError: Missing distribution spec <!DOCTYPE html>

You are using pip version 8.1.1, however version 9.0.3 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.