name: docs
run_id: commands[0]
env HOME: /home/jenkins
env LANG: C.UTF-8
env PATH: /w/workspace/builder-tox-verify-master/.tox/docs/bin:/opt/pyenv/bin:/tmp/venv-ksXa/bin:/opt/pyenv/shims:/home/jenkins/.local/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/snap/bin:/opt/puppetlabs/bin
env PIP_DISABLE_PIP_VERSION_CHECK: 1
env PYTHONHASHSEED: 3069001551
env PYTHONIOENCODING: utf-8
env SSH_AUTH_SOCK: ********************************
env TOX_ENV_DIR: /w/workspace/builder-tox-verify-master/.tox/docs
env TOX_ENV_NAME: docs
env TOX_WORK_DIR: /w/workspace/builder-tox-verify-master/.tox
env VIRTUAL_ENV: /w/workspace/builder-tox-verify-master/.tox/docs
env __TOX_ENVIRONMENT_VARIABLE_ORIGINAL_CI: true
metadata pid: 2474
cwd: /w/workspace/builder-tox-verify-master
allow: /w/workspace/builder-tox-verify-master/.tox/docs/bin/*
cmd: sphinx-build -q -W -b html -d /w/workspace/builder-tox-verify-master/.tox/docs/tmp/doctrees ./docs/ /w/workspace/builder-tox-verify-master/docs/_build/html
exit_code: 1

standard error:
WARNING: failed to reach any of the inventories with the following issues:
intersphinx inventory 'https://docs.python.org/3/objects.inv' not fetchable due to <class 'requests.exceptions.ConnectionError'>: HTTPSConnectionPool(host='docs.python.org', port=443): Max retries exceeded with url: /3/objects.inv (Caused by NewConnectionError('<urllib3.connection.HTTPSConnection object at 0x7ffb930fe0d0>: Failed to establish a new connection: [Errno 16] Device or resource busy'))