Read the Docs build information Build id: 227 Project: wiki Version: latest Commit: c7c999a42cc52d781b913fabb2cd687bd9134c1f Date: 2020-01-25T15:48:54.888333Z State: finished Success: False [rtd-command-info] start-time: 2020-01-25T15:48:55.725286Z, end-time: 2020-01-25T15:48:55.740814Z, duration: 0, exit-code: 0 git remote set-url origin https://github.com/amarula/wiki-amarula.git [rtd-command-info] start-time: 2020-01-25T15:48:55.844587Z, end-time: 2020-01-25T15:48:56.974748Z, duration: 1, exit-code: 0 git fetch origin --force --tags --prune --prune-tags --depth 50 [rtd-command-info] start-time: 2020-01-25T15:48:58.328340Z, end-time: 2020-01-25T15:48:58.341440Z, duration: 0, exit-code: 0 git checkout --force origin/master HEAD is now at c7c999a roc-rk3399-pc: Use u-boot-amarula/rockchip branch [rtd-command-info] start-time: 2020-01-25T15:48:58.446335Z, end-time: 2020-01-25T15:48:58.462777Z, duration: 0, exit-code: 0 git clean -d -f -f [rtd-command-info] start-time: 2020-01-25T15:48:59.130621Z, end-time: 2020-01-25T15:49:03.311692Z, duration: 4, exit-code: 0 python3.7 -mvirtualenv --no-site-packages --no-download /opt/readthedocs.org/user_builds/wiki/envs/latest Using base prefix '/usr' New python executable in /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python3.7 Not overwriting existing python script /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python (you must use /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python3.7) Installing setuptools, pip, wheel... done. [rtd-command-info] start-time: 2020-01-25T15:49:03.419107Z, end-time: 2020-01-25T15:49:03.906251Z, duration: 0, exit-code: 2 /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python -m pip install --upgrade pip<20 --cache-dir /opt/readthedocs.org/user_builds/wiki/.cache/pip pip Usage: /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python -m pip install [options] [package-index-options] ... /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python -m pip install [options] -r [package-index-options] ... /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python -m pip install [options] [-e] ... /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python -m pip install [options] [-e] ... /opt/readthedocs.org/user_builds/wiki/envs/latest/bin/python -m pip install [options] ... no such option: --upgrade pip<20