Read the Docs build information Build id: 3077741 Project: xanaduai-pennylane Version: latest Commit: de5313676d12e6783dfd095dbac7e2ce872af5b5 Date: 2025-05-28T22:49:58.115897Z State: finished Success: False [rtd-command-info] start-time: 2025-05-28T22:50:06.975191Z, end-time: 2025-05-28T22:50:15.413694Z, duration: 8, exit-code: 0 git clone --depth 1 https://github.com/PennyLaneAI/pennylane.git . Cloning into '.'... [rtd-command-info] start-time: 2025-05-28T22:50:15.459037Z, end-time: 2025-05-28T22:50:16.787299Z, duration: 1, exit-code: 0 git fetch origin --force --prune --prune-tags --depth 50 refs/heads/master:refs/remotes/origin/master [rtd-command-info] start-time: 2025-05-28T22:50:16.874364Z, end-time: 2025-05-28T22:50:17.547997Z, 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 Or undo this operation with: git switch - Turn off this advice by setting config variable advice.detachedHead to false HEAD is now at de53136 Delay validation of mcm method during capture (#7475) [rtd-command-info] start-time: 2025-05-28T22:50:17.582888Z, end-time: 2025-05-28T22:50:17.621368Z, 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-24.04 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: 2025-05-28T22:50:21.332957Z, end-time: 2025-05-28T22:52:36.218344Z, duration: 134, exit-code: 0 apt-get update --assume-yes --quiet Get:1 http://security.ubuntu.com/ubuntu noble-security InRelease [126 kB] Get:2 http://security.ubuntu.com/ubuntu noble-security/main amd64 Packages [1084 kB] Get:3 http://security.ubuntu.com/ubuntu noble-security/main amd64 Components [24.8 kB] Get:4 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Packages [1088 kB] Get:5 http://security.ubuntu.com/ubuntu noble-security/universe amd64 Components [65.4 kB] Get:6 http://security.ubuntu.com/ubuntu noble-security/restricted amd64 Packages [1442 kB] Get:7 http://security.ubuntu.com/ubuntu noble-security/restricted amd64 Components [156 B] Get:8 http://security.ubuntu.com/ubuntu noble-security/multiverse amd64 Packages [22.1 kB] Get:9 http://security.ubuntu.com/ubuntu noble-security/multiverse amd64 Components [157 B] Ign:10 http://archive.ubuntu.com/ubuntu noble InRelease Get:11 http://archive.ubuntu.com/ubuntu noble-updates InRelease [126 kB] Get:12 http://archive.ubuntu.com/ubuntu noble-backports InRelease [126 kB] Hit:10 http://archive.ubuntu.com/ubuntu noble InRelease Get:13 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Packages [1405 kB] Get:14 http://archive.ubuntu.com/ubuntu noble-updates/main amd64 Components [216 kB] Get:15 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 Packages [1386 kB] Get:16 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 Components [518 kB] Get:17 http://archive.ubuntu.com/ubuntu noble-updates/restricted amd64 Packages [1486 kB] Get:18 http://archive.ubuntu.com/ubuntu noble-updates/restricted amd64 Components [159 B] Get:19 http://archive.ubuntu.com/ubuntu noble-updates/multiverse amd64 Packages [26.7 kB] Get:20 http://archive.ubuntu.com/ubuntu noble-updates/multiverse amd64 Components [889 B] Get:21 http://archive.ubuntu.com/ubuntu noble-backports/main amd64 Packages [48.0 kB] Get:22 http://archive.ubuntu.com/ubuntu noble-backports/main amd64 Components [7824 B] Get:23 http://archive.ubuntu.com/ubuntu noble-backports/universe amd64 Packages [31.8 kB] Get:24 http://archive.ubuntu.com/ubuntu noble-backports/universe amd64 Components [18.3 kB] Get:25 http://archive.ubuntu.com/ubuntu noble-backports/restricted amd64 Components [161 B] Get:26 http://archive.ubuntu.com/ubuntu noble-backports/multiverse amd64 Components [161 B] Get:27 http://archive.ubuntu.com/ubuntu noble/main amd64 Components [665 kB] Get:28 http://archive.ubuntu.com/ubuntu noble/universe amd64 Components [5943 kB] Get:29 http://archive.ubuntu.com/ubuntu noble/multiverse amd64 Components [41.9 kB] Fetched 15.9 MB in 1min 55s (139 kB/s) Reading package lists... [rtd-command-info] start-time: 2025-05-28T22:52:36.272268Z, end-time: 2025-05-28T22:53:15.570461Z, duration: 39, exit-code: 100 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 fonts-liberation-sans-narrow fonts-liberation2 libann0 libcdt5 libcgraph6 libgraphviz-dev libgvc6 libgvc6-plugins-gtk libgvpr2 liblab-gamut1 libpathplan4 libxdot4 Suggested packages: gsfonts graphviz-doc The following NEW packages will be installed: fonts-liberation fonts-liberation-sans-narrow fonts-liberation2 graphviz libann0 The following packages will be upgraded: libcdt5 libcgraph6 libgraphviz-dev libgvc6 libgvc6-plugins-gtk libgvpr2 liblab-gamut1 libpathplan4 libxdot4 9 upgraded, 5 newly installed, 0 to remove and 306 not upgraded. Need to get 5447 kB of archives. After this operation, 7454 kB of additional disk space will be used. Ign:1 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation all 1:2.1.5-3 Ign:2 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation-sans-narrow all 1:1.07.6-4 Ign:3 http://archive.ubuntu.com/ubuntu noble/universe amd64 fonts-liberation2 all 1:2.1.5-3 Ign:4 http://archive.ubuntu.com/ubuntu noble/universe amd64 libann0 amd64 1.1.2+doc-9build1 Ign:5 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgraphviz-dev amd64 2.42.2-9ubuntu0.1 Ign:6 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcgraph6 amd64 2.42.2-9ubuntu0.1 Ign:7 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libpathplan4 amd64 2.42.2-9ubuntu0.1 Ign:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6 amd64 2.42.2-9ubuntu0.1 Ign:9 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvpr2 amd64 2.42.2-9ubuntu0.1 Ign:10 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libxdot4 amd64 2.42.2-9ubuntu0.1 Ign:11 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 liblab-gamut1 amd64 2.42.2-9ubuntu0.1 Ign:12 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6-plugins-gtk amd64 2.42.2-9ubuntu0.1 Ign:13 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcdt5 amd64 2.42.2-9ubuntu0.1 Ign:14 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 graphviz amd64 2.42.2-9ubuntu0.1 Ign:1 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation all 1:2.1.5-3 Ign:2 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation-sans-narrow all 1:1.07.6-4 Ign:3 http://archive.ubuntu.com/ubuntu noble/universe amd64 fonts-liberation2 all 1:2.1.5-3 Ign:4 http://archive.ubuntu.com/ubuntu noble/universe amd64 libann0 amd64 1.1.2+doc-9build1 Ign:5 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgraphviz-dev amd64 2.42.2-9ubuntu0.1 Ign:6 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcgraph6 amd64 2.42.2-9ubuntu0.1 Ign:7 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libpathplan4 amd64 2.42.2-9ubuntu0.1 Ign:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6 amd64 2.42.2-9ubuntu0.1 Ign:9 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvpr2 amd64 2.42.2-9ubuntu0.1 Ign:10 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libxdot4 amd64 2.42.2-9ubuntu0.1 Ign:11 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 liblab-gamut1 amd64 2.42.2-9ubuntu0.1 Ign:12 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6-plugins-gtk amd64 2.42.2-9ubuntu0.1 Ign:13 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcdt5 amd64 2.42.2-9ubuntu0.1 Ign:14 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 graphviz amd64 2.42.2-9ubuntu0.1 Ign:1 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation all 1:2.1.5-3 Ign:2 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation-sans-narrow all 1:1.07.6-4 Ign:3 http://archive.ubuntu.com/ubuntu noble/universe amd64 fonts-liberation2 all 1:2.1.5-3 Ign:4 http://archive.ubuntu.com/ubuntu noble/universe amd64 libann0 amd64 1.1.2+doc-9build1 Ign:5 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgraphviz-dev amd64 2.42.2-9ubuntu0.1 Ign:6 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcgraph6 amd64 2.42.2-9ubuntu0.1 Ign:7 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libpathplan4 amd64 2.42.2-9ubuntu0.1 Ign:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6 amd64 2.42.2-9ubuntu0.1 Ign:9 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvpr2 amd64 2.42.2-9ubuntu0.1 Ign:10 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libxdot4 amd64 2.42.2-9ubuntu0.1 Ign:11 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 liblab-gamut1 amd64 2.42.2-9ubuntu0.1 Ign:12 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6-plugins-gtk amd64 2.42.2-9ubuntu0.1 Ign:13 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcdt5 amd64 2.42.2-9ubuntu0.1 Ign:14 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 graphviz amd64 2.42.2-9ubuntu0.1 Err:1 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation all 1:2.1.5-3 Could not connect to archive.ubuntu.com:80 (91.189.91.83), connection timed out Could not connect to archive.ubuntu.com:80 (185.125.190.81), connection timed out Could not connect to archive.ubuntu.com:80 (185.125.190.82), connection timed out Could not connect to archive.ubuntu.com:80 (185.125.190.83), connection timed out Could not connect to archive.ubuntu.com:80 (91.189.91.81), connection timed out Err:2 http://archive.ubuntu.com/ubuntu noble/main amd64 fonts-liberation-sans-narrow all 1:1.07.6-4 Unable to connect to archive.ubuntu.com:http: Err:3 http://archive.ubuntu.com/ubuntu noble/universe amd64 fonts-liberation2 all 1:2.1.5-3 Unable to connect to archive.ubuntu.com:http: Err:4 http://archive.ubuntu.com/ubuntu noble/universe amd64 libann0 amd64 1.1.2+doc-9build1 Unable to connect to archive.ubuntu.com:http: Err:5 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgraphviz-dev amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:6 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcgraph6 amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:7 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libpathplan4 amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:8 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6 amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:9 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvpr2 amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:10 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libxdot4 amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:11 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 liblab-gamut1 amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:12 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libgvc6-plugins-gtk amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:13 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 libcdt5 amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: Err:14 http://archive.ubuntu.com/ubuntu noble-updates/universe amd64 graphviz amd64 2.42.2-9ubuntu0.1 Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/f/fonts-liberation/fonts-liberation_2.1.5-3_all.deb Could not connect to archive.ubuntu.com:80 (91.189.91.83), connection timed out Could not connect to archive.ubuntu.com:80 (185.125.190.81), connection timed out Could not connect to archive.ubuntu.com:80 (185.125.190.82), connection timed out Could not connect to archive.ubuntu.com:80 (185.125.190.83), connection timed out Could not connect to archive.ubuntu.com:80 (91.189.91.81), connection timed out E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/main/f/fonts-liberation-sans-narrow/fonts-liberation-sans-narrow_1.07.6-4_all.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/f/fonts-liberation/fonts-liberation2_2.1.5-3_all.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/a/ann/libann0_1.1.2%2bdoc-9build1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/libgraphviz-dev_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/libcgraph6_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/libpathplan4_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/libgvc6_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/libgvpr2_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/libxdot4_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/liblab-gamut1_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/libgvc6-plugins-gtk_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/libcdt5_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Failed to fetch http://archive.ubuntu.com/ubuntu/pool/universe/g/graphviz/graphviz_2.42.2-9ubuntu0.1_amd64.deb Unable to connect to archive.ubuntu.com:http: E: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?