Read the Docs build information
Build id: 2950074
Project: xanaduai-pennylane
Version: latest
Commit: 22a27af65d2c7f580ce2ae303290d12c6edc8ca7
Date: 2025-04-08T09:51:40.670054Z
State: finished
Success: False


[rtd-command-info] start-time: 2025-04-08T09:51:41.600076Z, end-time: 2025-04-08T09:51:44.256418Z, duration: 2, exit-code: 0
git clone --depth 1 https://github.com/PennyLaneAI/pennylane.git .
Cloning into '.'...

[rtd-command-info] start-time: 2025-04-08T09:51:44.318970Z, end-time: 2025-04-08T09:51:44.968119Z, duration: 0, exit-code: 0
git fetch origin --force --prune --prune-tags --depth 50 refs/heads/master:refs/remotes/origin/master


[rtd-command-info] start-time: 2025-04-08T09:51:45.066890Z, end-time: 2025-04-08T09:51:45.514890Z, duration: 0, exit-code: 0
git checkout --force origin/master
Note: switching to 'origin/master'.

You are in 'detached HEAD' state. You can look around, make experimental
changes and commit them, and you can discard any commits you make in this
state without impacting any branches by switching back to a branch.

If you want to create a new branch to retain commits you create, you may
do so (now or later) by using -c with the switch command. Example:

  git switch -c <new-branch-name>

Or undo this operation with:

  git switch -

Turn off this advice by setting config variable advice.detachedHead to false

HEAD is now at 22a27af [no ci] bump nightly version

[rtd-command-info] start-time: 2025-04-08T09:51:45.579935Z, end-time: 2025-04-08T09:51:45.618851Z, duration: 0, exit-code: 0
cat .readthedocs.yml
# .readthedocs.yml
# Read the Docs configuration file
# See https://docs.readthedocs.io/en/stable/config-file/v2.html for details

# Required
version: 2

build:
  os: ubuntu-22.04
  tools:
    python: "3.10"
  apt_packages:
    - graphviz

# Build documentation in the docs/ directory with Sphinx
sphinx:
  configuration: doc/conf.py

# Build documentation with MkDocs
#mkdocs:
#  configuration: mkdocs.yml

# Optionally build your docs in additional formats such as PDF and ePub
formats:
  - htmlzip

# Optionally set the version of Python and requirements required to build your docs
python:
  install:
    - requirements: doc/requirements.txt
    - method: pip
      path: .

[rtd-command-info] start-time: 2025-04-08T09:51:46.509648Z, end-time: 2025-04-08T09:51:49.587375Z, duration: 3, exit-code: 0
apt-get update --assume-yes --quiet
Get:1 http://security.ubuntu.com/ubuntu jammy-security InRelease [129 kB]
Hit:2 http://archive.ubuntu.com/ubuntu jammy InRelease
Get:3 http://archive.ubuntu.com/ubuntu jammy-updates InRelease [128 kB]
Get:4 http://security.ubuntu.com/ubuntu jammy-security/multiverse amd64 Packages [47.7 kB]
Get:5 http://security.ubuntu.com/ubuntu jammy-security/main amd64 Packages [2788 kB]
Get:6 http://security.ubuntu.com/ubuntu jammy-security/universe amd64 Packages [1243 kB]
Get:7 http://security.ubuntu.com/ubuntu jammy-security/restricted amd64 Packages [4000 kB]
Get:8 http://archive.ubuntu.com/ubuntu jammy-backports InRelease [127 kB]
Get:9 http://archive.ubuntu.com/ubuntu jammy-updates/restricted amd64 Packages [4154 kB]
Get:10 http://archive.ubuntu.com/ubuntu jammy-updates/multiverse amd64 Packages [55.7 kB]
Get:11 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages [1540 kB]
Get:12 http://archive.ubuntu.com/ubuntu jammy-updates/main amd64 Packages [3097 kB]
Get:13 http://archive.ubuntu.com/ubuntu jammy-backports/universe amd64 Packages [35.2 kB]
Get:14 http://archive.ubuntu.com/ubuntu jammy-backports/main amd64 Packages [82.7 kB]
Fetched 17.4 MB in 2s (7945 kB/s)
Reading package lists...

[rtd-command-info] start-time: 2025-04-08T09:51:49.647520Z, end-time: 2025-04-08T09:51:57.849720Z, duration: 8, exit-code: 0
apt-get install --assume-yes --quiet -- graphviz
Reading package lists...
Building dependency tree...
Reading state information...
The following additional packages will be installed:
  fonts-liberation libann0
Suggested packages:
  graphviz-doc
The following NEW packages will be installed:
  fonts-liberation graphviz libann0
0 upgraded, 3 newly installed, 0 to remove and 219 not upgraded.
Need to get 1500 kB of archives.
After this operation, 4700 kB of additional disk space will be used.
Get:1 http://archive.ubuntu.com/ubuntu jammy/main amd64 fonts-liberation all 1:1.07.4-11 [822 kB]
Get:2 http://archive.ubuntu.com/ubuntu jammy/universe amd64 libann0 amd64 1.1.2+doc-7build1 [26.0 kB]
Get:3 http://archive.ubuntu.com/ubuntu jammy-updates/universe amd64 graphviz amd64 2.42.2-6ubuntu0.1 [653 kB]
debconf: delaying package configuration, since apt-utils is not installed
Fetched 1500 kB in 1s (2269 kB/s)
Selecting previously unselected package fonts-liberation.
(Reading database ... 
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(Reading database ... 272117 files and directories currently installed.)
Preparing to unpack .../fonts-liberation_1%3a1.07.4-11_all.deb ...
Unpacking fonts-liberation (1:1.07.4-11) ...
Selecting previously unselected package libann0.
Preparing to unpack .../libann0_1.1.2+doc-7build1_amd64.deb ...
Unpacking libann0 (1.1.2+doc-7build1) ...
Selecting previously unselected package graphviz.
Preparing to unpack .../graphviz_2.42.2-6ubuntu0.1_amd64.deb ...
Unpacking graphviz (2.42.2-6ubuntu0.1) ...
Setting up libann0 (1.1.2+doc-7build1) ...
Setting up fonts-liberation (1:1.07.4-11) ...
Setting up graphviz (2.42.2-6ubuntu0.1) ...
Processing triggers for libc-bin (2.35-0ubuntu3.6) ...
Processing triggers for fontconfig (2.13.1-4.2ubuntu5) ...

[rtd-command-info] start-time: 2025-04-08T09:52:00.771930Z, end-time: 2025-04-08T09:52:00.825511Z, duration: 0, exit-code: 0
asdf global python 3.10.15


[rtd-command-info] start-time: 2025-04-08T09:52:01.187403Z, end-time: 2025-04-08T09:52:02.328831Z, duration: 1, exit-code: 0
python -mvirtualenv $READTHEDOCS_VIRTUALENV_PATH
created virtual environment CPython3.10.15.final.0-64 in 736ms
  creator CPython3Posix(dest=/home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane/envs/latest, clear=False, no_vcs_ignore=False, global=False)
  seeder FromAppData(download=False, pip=bundle, setuptools=bundle, wheel=bundle, via=copy, app_data_dir=/home/docs/.local/share/virtualenv)
    added seed packages: pip==23.1, setuptools==67.6.1, wheel==0.40.0
  activators BashActivator,CShellActivator,FishActivator,NushellActivator,PowerShellActivator,PythonActivator

[rtd-command-info] start-time: 2025-04-08T09:52:02.392813Z, end-time: 2025-04-08T09:52:11.002917Z, duration: 8, exit-code: 0
python -m pip install --upgrade --no-cache-dir pip setuptools
Requirement already satisfied: pip in /home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane/envs/latest/lib/python3.10/site-packages (23.1)
Collecting pip
  Downloading pip-25.0.1-py3-none-any.whl (1.8 MB)
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Requirement already satisfied: setuptools in /home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane/envs/latest/lib/python3.10/site-packages (67.6.1)
Collecting setuptools
  Downloading setuptools-78.1.0-py3-none-any.whl (1.3 MB)
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Installing collected packages: setuptools, pip
  Attempting uninstall: setuptools
    Found existing installation: setuptools 67.6.1
    Uninstalling setuptools-67.6.1:
      Successfully uninstalled setuptools-67.6.1
  Attempting uninstall: pip
    Found existing installation: pip 23.1
    Uninstalling pip-23.1:
      Successfully uninstalled pip-23.1
Successfully installed pip-25.0.1 setuptools-78.1.0

[rtd-command-info] start-time: 2025-04-08T09:52:11.103641Z, end-time: 2025-04-08T09:52:17.635280Z, duration: 6, exit-code: 0
python -m pip install --upgrade --no-cache-dir sphinx
Collecting sphinx
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Collecting Jinja2>=3.1 (from sphinx)
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Collecting Pygments>=2.17 (from sphinx)
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Downloading requests-2.32.3-py3-none-any.whl (64 kB)
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Downloading sphinxcontrib_qthelp-2.0.0-py3-none-any.whl (88 kB)
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Downloading tomli-2.2.1-py3-none-any.whl (14 kB)
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Downloading urllib3-2.3.0-py3-none-any.whl (128 kB)
Installing collected packages: snowballstemmer, urllib3, tomli, sphinxcontrib-serializinghtml, sphinxcontrib-qthelp, sphinxcontrib-jsmath, sphinxcontrib-htmlhelp, sphinxcontrib-devhelp, sphinxcontrib-applehelp, Pygments, packaging, MarkupSafe, imagesize, idna, docutils, charset-normalizer, certifi, babel, alabaster, requests, Jinja2, sphinx
Successfully installed Jinja2-3.1.6 MarkupSafe-3.0.2 Pygments-2.19.1 alabaster-1.0.0 babel-2.17.0 certifi-2025.1.31 charset-normalizer-3.4.1 docutils-0.21.2 idna-3.10 imagesize-1.4.1 packaging-24.2 requests-2.32.3 snowballstemmer-2.2.0 sphinx-8.1.3 sphinxcontrib-applehelp-2.0.0 sphinxcontrib-devhelp-2.0.0 sphinxcontrib-htmlhelp-2.1.0 sphinxcontrib-jsmath-1.0.1 sphinxcontrib-qthelp-2.0.0 sphinxcontrib-serializinghtml-2.0.0 tomli-2.2.1 urllib3-2.3.0

[rtd-command-info] start-time: 2025-04-08T09:52:17.723518Z, end-time: 2025-04-08T09:52:29.845798Z, duration: 12, exit-code: 1
python -m pip install --exists-action=w --no-cache-dir -r doc/requirements.txt
Ignoring sphinx: markers 'python_version < "3.10"' don't match your environment
Ignoring tensorflow_macos: markers 'sys_platform == "darwin" and platform_machine == "arm64"' don't match your environment
Requirement already satisfied: pip in /home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane/envs/latest/lib/python3.10/site-packages (from -r doc/requirements.txt (line 1)) (25.0.1)
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  Preparing metadata (setup.py): started
  Preparing metadata (setup.py): finished with status 'done'
Requirement already satisfied: packaging in /home/docs/checkouts/readthedocs.org/user_builds/xanaduai-pennylane/envs/latest/lib/python3.10/site-packages (from -r doc/requirements.txt (line 12)) (24.2)
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ERROR: Could not find a version that satisfies the requirement pennylane-sphinx-theme (from versions: none)
ERROR: No matching distribution found for pennylane-sphinx-theme