2026-01-14T09:05:53,220 Created temporary directory: /tmp/pip-ephem-wheel-cache-l0ullhex
2026-01-14T09:05:53,222 Created temporary directory: /tmp/pip-build-tracker-ylf63arg
2026-01-14T09:05:53,223 Initialized build tracking at /tmp/pip-build-tracker-ylf63arg
2026-01-14T09:05:53,223 Created build tracker: /tmp/pip-build-tracker-ylf63arg
2026-01-14T09:05:53,224 Entered build tracker: /tmp/pip-build-tracker-ylf63arg
2026-01-14T09:05:53,224 Created temporary directory: /tmp/pip-wheel-kwzsiepu
2026-01-14T09:05:53,227 DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-01-14T09:05:53,230 Created temporary directory: /tmp/pip-ephem-wheel-cache-jwyakebd
2026-01-14T09:05:53,251 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-01-14T09:05:53,255 2 location(s) to search for versions of contactmechanics:
2026-01-14T09:05:53,255 * https://pypi.org/simple/contactmechanics/
2026-01-14T09:05:53,255 * https://www.piwheels.org/simple/contactmechanics/
2026-01-14T09:05:53,256 Fetching project page and analyzing links: https://pypi.org/simple/contactmechanics/
2026-01-14T09:05:53,256 Getting page https://pypi.org/simple/contactmechanics/
2026-01-14T09:05:53,258 Found index url https://pypi.org/simple
2026-01-14T09:05:53,484 Fetched page https://pypi.org/simple/contactmechanics/ as application/vnd.pypi.simple.v1+json
2026-01-14T09:05:53,490   Found link https://files.pythonhosted.org/packages/29/e1/8d40dcf7f8ded1f40cc4e3d195483eb7f7687d2f6b62d4de27a801db52cc/ContactMechanics-0.90.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0), version: 0.90.0
2026-01-14T09:05:53,491   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/8d/ab/7064e6c2971d9e71f607fda1e1c4035891492b2ce203f2fb0d1c8943f4c7/ContactMechanics-0.90.1-py3.6.egg (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,492   Found link https://files.pythonhosted.org/packages/d9/d2/1998f8b9f97613a72cf9b64ea57b78440c765a6538e83db664705a5ee991/ContactMechanics-0.90.1.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0), version: 0.90.1
2026-01-14T09:05:53,493   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/62/3a/4e54fcde5691bbb21f4393470ac49c7719148f3c5de70be6896735ec9bb5/ContactMechanics-0.91.0-py3.8.egg (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,494   Found link https://files.pythonhosted.org/packages/7b/1b/24fca803a232cfb1a7372a5ef7cecf6cf2737d38e9cc0797b6ecb57d5fc5/ContactMechanics-0.91.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0), version: 0.91.0
2026-01-14T09:05:53,494   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/07/c1/2f2dc1d67cfe075c9f49b7d0d2e7ed135a0aec4880c8fb12cf301e7448b6/ContactMechanics-0.92.0-py3.8.egg (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,495   Found link https://files.pythonhosted.org/packages/bd/f5/355df4d8709435c6fbcbc552acf21ee929f234ddaecbca2ce90649ba643e/ContactMechanics-0.92.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0), version: 0.92.0
2026-01-14T09:05:53,497   Found link https://files.pythonhosted.org/packages/bf/4c/92e14c51a9400154a5c8674ca336d324fab730616ceda8caafe93293725d/ContactMechanics-0.93.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0), version: 0.93.0
2026-01-14T09:05:53,498   Found link https://files.pythonhosted.org/packages/0d/97/993b178689fd9a22ea63f419b4bb84bbf2db1a60bea97954034342ab3db0/ContactMechanics-1.0.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.5.0), version: 1.0.0
2026-01-14T09:05:53,499   Found link https://files.pythonhosted.org/packages/e9/0e/9a8ed751adcaa41ef2d4acd2cce22c114f5882e9262ded88c562d87569bd/ContactMechanics-1.1.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.7.0), version: 1.1.0
2026-01-14T09:05:53,500   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/a3/f6/3bec187779841358e2c2059454071b3befc5f3c6441d46070dd0b954bd75/contactmechanics-1.1.0-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.7.0)
2026-01-14T09:05:53,501   Found link https://files.pythonhosted.org/packages/61/42/11bd0dc2daf8b680fee2a4e27cf2151739a3142961f21f42b9f6991617a6/ContactMechanics-1.1.1.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0), version: 1.1.1
2026-01-14T09:05:53,501   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/fb/e4/3df5e839be59a66c1afa663e9195c4aa07421c46c56472e47bf14dea0f7c/contactmechanics-1.1.1-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0)
2026-01-14T09:05:53,502   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/14/be/af10222fc1e997ed1954c60576e7aa25fb754e37a84dceee8d117c349679/contactmechanics-1.2.0-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0)
2026-01-14T09:05:53,502   Found link https://files.pythonhosted.org/packages/2b/89/81114cdc2ea4faebb05c47e2fe8148235616dfb62d57aeb90697018dc43f/contactmechanics-1.2.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0), version: 1.2.0
2026-01-14T09:05:53,503   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/70/80/1a78cf8f810e814008b5faa5969b03ff376e65d9579855a6a59ba0e0734d/contactmechanics-1.3.0-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0)
2026-01-14T09:05:53,504   Found link https://files.pythonhosted.org/packages/f3/cd/5673bc3d05975f3cf3b81d28eb5241de8ef99ca77bc90c24e11c27cc9c9e/contactmechanics-1.3.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0), version: 1.3.0
2026-01-14T09:05:53,504   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/ed/94/243950ca429572eb98b6eaaec791dfd705ef79cea8583ac982c7f2d6f82c/contactmechanics-1.4.0-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0)
2026-01-14T09:05:53,505   Found link https://files.pythonhosted.org/packages/a3/3b/7094277ea403462ef1cd6ba05c79497554f9c2fc3f1bafd0a201c51ce744/contactmechanics-1.4.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0), version: 1.4.0
2026-01-14T09:05:53,506   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/0f/03/a74a79cd120534dd097aacfc0d8bedbd6ee84949c777a93a68f464bfab08/contactmechanics-1.5.0-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0)
2026-01-14T09:05:53,507   Found link https://files.pythonhosted.org/packages/83/fa/ddbb85e9623ca32f1c723902e2dffcd62212ef782172c602b268ee791bc7/contactmechanics-1.5.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0), version: 1.5.0
2026-01-14T09:05:53,508   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/9f/36/01a3031083fb3ddc88b73f9b50d07efa5147ee447b805583e6c7f403d602/contactmechanics-1.6.0-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0)
2026-01-14T09:05:53,509   Found link https://files.pythonhosted.org/packages/79/ad/004711f4b3bb04f2a724864d899b8f927e3e7cbe71daf48bbf154660d521/contactmechanics-1.6.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.8.0), version: 1.6.0
2026-01-14T09:05:53,509   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/ff/05/d9d8d959a4ead6597d2849010e54029a92ccf95215b2feee25aa3492c71f/contactmechanics-1.6.1-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.9.0)
2026-01-14T09:05:53,511   Found link https://files.pythonhosted.org/packages/3f/95/3568b1695f8e2c930758ccdd12971fb5d85eec96d0a3a8e0e399b61f4b15/contactmechanics-1.6.1.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.9.0), version: 1.6.1
2026-01-14T09:05:53,511   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/b7/bf/cacd1da7b2b68f84f20d6c17f7d4b0e8e7d8b0c77a6145efef421639bab1/contactmechanics-1.7.0-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.9.0)
2026-01-14T09:05:53,512   Found link https://files.pythonhosted.org/packages/6e/81/a315014b3516e643f736ab6ab932c7225e93c9eeb265c5b4a25d5d01f54a/contactmechanics-1.7.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.9.0), version: 1.7.0
2026-01-14T09:05:53,513   Skipping link: No binaries permitted for contactmechanics: https://files.pythonhosted.org/packages/77/07/97da3008247dc358194563b9af760ca21c5f4e8dc23d97ccf1a8efcb82cd/contactmechanics-1.8.0-py3-none-any.whl (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.10.0)
2026-01-14T09:05:53,513   Found link https://files.pythonhosted.org/packages/23/bd/acf0fc24656e2241ec5d3b963707596ed1a75b0b00b9b287313a622d22c6/contactmechanics-1.8.0.tar.gz (from https://pypi.org/simple/contactmechanics/) (requires-python:>=3.10.0), version: 1.8.0
2026-01-14T09:05:53,514 Fetching project page and analyzing links: https://www.piwheels.org/simple/contactmechanics/
2026-01-14T09:05:53,515 Getting page https://www.piwheels.org/simple/contactmechanics/
2026-01-14T09:05:53,516 Found index url https://www.piwheels.org/simple
2026-01-14T09:05:53,682 Fetched page https://www.piwheels.org/simple/contactmechanics/ as text/html
2026-01-14T09:05:53,685   Skipping link: No binaries permitted for contactmechanics: https://archive1.piwheels.org/simple/contactmechanics/ContactMechanics-1.0.0-py3-none-any.whl#sha256=76964f7e8800de02c6e1aad3ff6b398a5dedc331beda2e072386418a5aa088f0 (from https://www.piwheels.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,686   Skipping link: No binaries permitted for contactmechanics: https://archive1.piwheels.org/simple/contactmechanics/ContactMechanics-0.93.0-py3-none-any.whl#sha256=83b934f4f6b235cd13d95e15ebf5d7d93901163c26e2570739497a67a3a33bd3 (from https://www.piwheels.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,686   Skipping link: No binaries permitted for contactmechanics: https://archive1.piwheels.org/simple/contactmechanics/ContactMechanics-0.92.0-py3-none-any.whl#sha256=a6089111f9f2b505a68076c5f62a677bae919c5693762b29250cb1da0a025ada (from https://www.piwheels.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,687   Skipping link: No binaries permitted for contactmechanics: https://archive1.piwheels.org/simple/contactmechanics/ContactMechanics-0.91.0-py3-none-any.whl#sha256=1e3f61be78af26b9e79b53d3093c3e311f1d0bb580c3fa47910e9dc85ce0f2ef (from https://www.piwheels.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,688   Skipping link: No binaries permitted for contactmechanics: https://archive1.piwheels.org/simple/contactmechanics/ContactMechanics-0.90.1-py3-none-any.whl#sha256=baae0ec35a8fa5a2d8f416ddd077acba698202bc8de7d98ceb9ab85e60a79b71 (from https://www.piwheels.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,688   Skipping link: No binaries permitted for contactmechanics: https://archive1.piwheels.org/simple/contactmechanics/ContactMechanics-0.90.0-py3-none-any.whl#sha256=9ad57a1ce0d9d77c520179974f699b30a0727950146168eda379d8add9c0fa9f (from https://www.piwheels.org/simple/contactmechanics/) (requires-python:>=3.5.0)
2026-01-14T09:05:53,689 Skipping link: not a file: https://www.piwheels.org/simple/contactmechanics/
2026-01-14T09:05:53,690 Skipping link: not a file: https://pypi.org/simple/contactmechanics/
2026-01-14T09:05:53,710 Given no hashes to check 1 links for project 'contactmechanics': discarding no candidates
2026-01-14T09:05:53,728 Collecting contactmechanics==1.8.0
2026-01-14T09:05:53,730   Created temporary directory: /tmp/pip-unpack-cycvu6ch
2026-01-14T09:05:53,953   Downloading contactmechanics-1.8.0.tar.gz (65 kB)
2026-01-14T09:05:54,078   Added contactmechanics==1.8.0 from https://files.pythonhosted.org/packages/23/bd/acf0fc24656e2241ec5d3b963707596ed1a75b0b00b9b287313a622d22c6/contactmechanics-1.8.0.tar.gz to build tracker '/tmp/pip-build-tracker-ylf63arg'
2026-01-14T09:05:54,084   Created temporary directory: /tmp/pip-build-env-ts4mgstq
2026-01-14T09:05:54,089   Installing build dependencies: started
2026-01-14T09:05:54,090   Running command pip subprocess to install build dependencies
2026-01-14T09:05:55,227   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-01-14T09:05:55,883   DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-01-14T09:05:55,906   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-01-14T09:05:56,357   Collecting flit_core>=3.2
2026-01-14T09:05:56,377     Using cached https://www.piwheels.org/simple/flit-core/flit_core-3.12.0-py3-none-any.whl (45 kB)
2026-01-14T09:05:56,542   Collecting DiscoverVersion
2026-01-14T09:05:56,555     Downloading https://www.piwheels.org/simple/discoverversion/discoverversion-0.4.0-py3-none-any.whl (11 kB)
2026-01-14T09:05:59,166   Installing collected packages: flit_core, DiscoverVersion
2026-01-14T09:05:59,360     Creating /tmp/pip-build-env-ts4mgstq/overlay/local/bin
2026-01-14T09:05:59,363     changing mode of /tmp/pip-build-env-ts4mgstq/overlay/local/bin/discover-version to 755
2026-01-14T09:05:59,377   Successfully installed DiscoverVersion-0.4.0 flit_core-3.12.0
2026-01-14T09:05:59,604   Installing build dependencies: finished with status 'done'
2026-01-14T09:05:59,610   Getting requirements to build wheel: started
2026-01-14T09:05:59,612   Running command Getting requirements to build wheel
2026-01-14T09:05:59,998   Getting requirements to build wheel: finished with status 'done'
2026-01-14T09:06:00,056   Installing backend dependencies: started
2026-01-14T09:06:00,058   Running command pip subprocess to install backend dependencies
2026-01-14T09:06:01,195   Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11)
2026-01-14T09:06:01,946   DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-01-14T09:06:01,979   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-01-14T09:06:03,108     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/3a/be/650f9c091ef71cb01d735775d554e068752d3ff63d7943b26316dc401749/numpy-1.21.2.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-14T09:06:03,115     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/5f/d6/ad58ded26556eaeaa8c971e08b6466f17c4ac4d786cd3d800e26ce59cc01/numpy-1.21.3.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-14T09:06:03,122     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/fb/48/b0708ebd7718a8933f0d3937513ef8ef2f4f04529f1f66ca86d873043921/numpy-1.21.4.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-14T09:06:03,129     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/c2/a8/a924a09492bdfee8c2ec3094d0a13f2799800b4fdc9c890738aeeb12c72e/numpy-1.21.5.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-14T09:06:03,136     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/45/b7/de7b8e67f2232c26af57c205aaad29fe17754f793404f59c8a730c7a191a/numpy-1.21.6.zip (from https://pypi.org/simple/numpy/) (requires-python:>=3.7,<3.11)
2026-01-14T09:06:03,962   Collecting numpy
2026-01-14T09:06:04,502     Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.1-cp311-cp311-linux_armv7l.whl (6.3 MB)
2026-01-14T09:06:04,873   Collecting NuMPI>=0.5.0
2026-01-14T09:06:04,886     Downloading https://www.piwheels.org/simple/numpi/numpi-0.9.0-py3-none-any.whl (36 kB)
2026-01-14T09:06:05,477     Link requires a different Python (3.11.2 not in: '>=3.7,<3.10'): https://files.pythonhosted.org/packages/99/f1/c00d6be56e1a718a3068079e3ec8ce044d7179345280f6a3f5066068af0d/scipy-1.6.2.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.7,<3.10)
2026-01-14T09:06:05,482     Link requires a different Python (3.11.2 not in: '>=3.7,<3.10'): https://files.pythonhosted.org/packages/fe/fd/8704c7b7b34cdac850485e638346025ca57c5a859934b9aa1be5399b33b7/scipy-1.6.3.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.7,<3.10)
2026-01-14T09:06:05,487     Link requires a different Python (3.11.2 not in: '>=3.7,<3.10'): https://files.pythonhosted.org/packages/bb/bb/944f559d554df6c9adf037aa9fc982a9706ee0e96c0d5beac701cb158900/scipy-1.7.0.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.7,<3.10)
2026-01-14T09:06:05,493     Link requires a different Python (3.11.2 not in: '>=3.7,<3.10'): https://files.pythonhosted.org/packages/47/33/a24aec22b7be7fdb10ec117a95e1e4099890d8bbc6646902f443fc7719d1/scipy-1.7.1.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.7,<3.10)
2026-01-14T09:06:05,499     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/0e/23/58c4f995475a2a97cb5f4a032aedaf881ad87cd976a7180c55118d105a1d/scipy-1.7.2.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.7,<3.11)
2026-01-14T09:06:05,506     Link requires a different Python (3.11.2 not in: '>=3.7,<3.11'): https://files.pythonhosted.org/packages/61/67/1a654b96309c991762ee9bc39c363fc618076b155fe52d295211cf2536c7/scipy-1.7.3.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.7,<3.11)
2026-01-14T09:06:05,513     Link requires a different Python (3.11.2 not in: '>=3.8,<3.11'): https://files.pythonhosted.org/packages/c0/ad/e3c052ed4e0027a8abef0a5e8441a044427d252d17d9aee06d56e62fc698/scipy-1.8.0rc1.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.8,<3.11)
2026-01-14T09:06:05,519     Link requires a different Python (3.11.2 not in: '>=3.8,<3.11'): https://files.pythonhosted.org/packages/29/d2/151a54944b333e465f98804dced31dab1284f3c37b752b9cefa710b64681/scipy-1.8.0rc2.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.8,<3.11)
2026-01-14T09:06:05,525     Link requires a different Python (3.11.2 not in: '>=3.8,<3.11'): https://files.pythonhosted.org/packages/e4/26/83dd1c6378513a6241d984bda9f08c512b6e35fff13fba3acc1b3c195f02/scipy-1.8.0rc3.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.8,<3.11)
2026-01-14T09:06:05,531     Link requires a different Python (3.11.2 not in: '>=3.8,<3.11'): https://files.pythonhosted.org/packages/22/78/056cc43e7737811b6f50886788a940f852773dd9804f5365952805db9648/scipy-1.8.0rc4.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.8,<3.11)
2026-01-14T09:06:05,537     Link requires a different Python (3.11.2 not in: '>=3.8,<3.11'): https://files.pythonhosted.org/packages/b4/a2/4faa34bf0cdbefd5c706625f1234987795f368eb4e97bde9d6f46860843e/scipy-1.8.0.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.8,<3.11)
2026-01-14T09:06:05,543     Link requires a different Python (3.11.2 not in: '>=3.8,<3.11'): https://files.pythonhosted.org/packages/26/b5/9330f004b9a3b2b6a31f59f46f1617ce9ca15c0e7fe64288c20385a05c9d/scipy-1.8.1.tar.gz (from https://pypi.org/simple/scipy/) (requires-python:>=3.8,<3.11)
2026-01-14T09:06:06,018   Collecting scipy>=1.9.0
2026-01-14T09:06:07,572     Using cached https://www.piwheels.org/simple/scipy/scipy-1.17.0-cp311-cp311-linux_armv7l.whl (22.0 MB)
2026-01-14T09:06:08,530   Collecting muGrid>=0.105.0
2026-01-14T09:06:08,666     Downloading mugrid-0.105.0.tar.gz (692 kB)
2026-01-14T09:06:08,791        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 692.0/692.0 kB 5.9 MB/s eta 0:00:00
2026-01-14T09:06:09,382     Installing build dependencies: started
2026-01-14T09:06:09,382     Running command pip subprocess to install build dependencies
2026-01-14T09:06:11,191     DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453
2026-01-14T09:06:11,214     Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2026-01-14T09:06:11,723     Collecting scikit-build-core>=0.8
2026-01-14T09:06:11,751       Using cached https://www.piwheels.org/simple/scikit-build-core/scikit_build_core-0.11.6-py3-none-any.whl (185 kB)
2026-01-14T09:06:11,965     Collecting pybind11>=2.11
2026-01-14T09:06:12,001       Using cached https://www.piwheels.org/simple/pybind11/pybind11-3.0.1-py3-none-any.whl (293 kB)
2026-01-14T09:06:13,672     Collecting numpy>=2.1
2026-01-14T09:06:14,137       Using cached https://www.piwheels.org/simple/numpy/numpy-2.4.1-cp311-cp311-linux_armv7l.whl (6.3 MB)
2026-01-14T09:06:14,670     Collecting setuptools-scm>=8
2026-01-14T09:06:14,688       Using cached https://www.piwheels.org/simple/setuptools-scm/setuptools_scm-9.2.2-py3-none-any.whl (62 kB)
2026-01-14T09:06:15,024     Collecting packaging>=23.2
2026-01-14T09:06:15,043       Using cached https://www.piwheels.org/simple/packaging/packaging-25.0-py3-none-any.whl (66 kB)
2026-01-14T09:06:15,155     Collecting pathspec>=0.10.1
2026-01-14T09:06:15,172       Using cached https://www.piwheels.org/simple/pathspec/pathspec-1.0.3-py3-none-any.whl (55 kB)
2026-01-14T09:06:16,681     Collecting setuptools
2026-01-14T09:06:16,796       Using cached https://www.piwheels.org/simple/setuptools/setuptools-80.9.0-py3-none-any.whl (1.2 MB)
2026-01-14T09:06:20,118     Installing collected packages: setuptools, pybind11, pathspec, packaging, numpy, setuptools-scm, scikit-build-core
2026-01-14T09:06:34,238     Successfully installed numpy-2.4.1 packaging-25.0 pathspec-1.0.3 pybind11-3.0.1 scikit-build-core-0.11.6 setuptools-80.9.0 setuptools-scm-9.2.2
2026-01-14T09:06:34,617     Installing build dependencies: finished with status 'done'
2026-01-14T09:06:34,623     Getting requirements to build wheel: started
2026-01-14T09:06:34,623     Running command Getting requirements to build wheel
2026-01-14T09:06:35,252     Getting requirements to build wheel: finished with status 'done'
2026-01-14T09:06:35,274     Preparing metadata (pyproject.toml): started
2026-01-14T09:06:35,275     Running command Preparing metadata (pyproject.toml)
2026-01-14T09:06:36,242     *** scikit-build-core 0.11.6 using CMake 3.25.1 (metadata_wheel)
2026-01-14T09:06:36,372     Preparing metadata (pyproject.toml): finished with status 'done'
2026-01-14T09:06:37,162   Collecting SurfaceTopography>=1.20.0
2026-01-14T09:06:37,178     Downloading https://www.piwheels.org/simple/surfacetopography/surfacetopography-1.20.0-cp311-cp311-linux_armv7l.whl (467 kB)
2026-01-14T09:06:37,231        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 467.8/467.8 kB 10.2 MB/s eta 0:00:00
2026-01-14T09:06:37,340   Collecting DiscoverVersion
2026-01-14T09:06:37,354     Using cached https://www.piwheels.org/simple/discoverversion/discoverversion-0.4.0-py3-none-any.whl (11 kB)
2026-01-14T09:06:37,544   Collecting primefac
2026-01-14T09:06:37,753     Downloading https://archive1.piwheels.org/simple/primefac/primefac-2.0.12-py3-none-any.whl (54 kB)
2026-01-14T09:06:37,771        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 54.8/54.8 kB 4.3 MB/s eta 0:00:00
2026-01-14T09:06:38,207   Collecting defusedxml
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2026-01-14T09:06:38,726   Collecting h5py
2026-01-14T09:06:38,739     Downloading https://www.piwheels.org/simple/h5py/h5py-3.15.1-cp311-cp311-linux_armv7l.whl (7.4 MB)
2026-01-14T09:06:39,263        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 7.4/7.4 MB 14.3 MB/s eta 0:00:00
2026-01-14T09:06:39,577   Collecting igor2
2026-01-14T09:06:39,612     Downloading https://archive1.piwheels.org/simple/igor2/igor2-0.5.12-py3-none-any.whl (32 kB)
2026-01-14T09:06:40,918   Collecting matplotlib>=1.0.0
2026-01-14T09:06:41,521     Using cached https://www.piwheels.org/simple/matplotlib/matplotlib-3.10.8-cp311-cp311-linux_armv7l.whl (8.3 MB)
2026-01-14T09:06:41,890   Collecting numpyencoder
2026-01-14T09:06:42,088     Downloading https://archive1.piwheels.org/simple/numpyencoder/numpyencoder-0.3.2-py3-none-any.whl (3.5 kB)
2026-01-14T09:06:42,281   Collecting openpyxl
2026-01-14T09:06:42,316     Using cached https://www.piwheels.org/simple/openpyxl/openpyxl-3.1.5-py2.py3-none-any.whl (250 kB)
2026-01-14T09:06:44,010   Collecting Pillow
2026-01-14T09:06:44,118     Using cached https://www.piwheels.org/simple/pillow/pillow-12.0.0-cp311-cp311-linux_armv7l.whl (1.3 MB)
2026-01-14T09:06:44,280   Collecting python-dateutil
2026-01-14T09:06:44,329     Using cached https://www.piwheels.org/simple/python-dateutil/python_dateutil-2.9.0.post0-py2.py3-none-any.whl (229 kB)
2026-01-14T09:06:44,701   Collecting pyyaml
2026-01-14T09:06:44,718     Using cached https://www.piwheels.org/simple/pyyaml/pyyaml-6.0.3-cp311-cp311-linux_armv7l.whl (45 kB)
2026-01-14T09:06:44,975   Collecting requests
2026-01-14T09:06:44,992     Using cached https://www.piwheels.org/simple/requests/requests-2.32.5-py3-none-any.whl (64 kB)
2026-01-14T09:06:45,134   Collecting tiffile
2026-01-14T09:06:45,143     Downloading tiffile-2018.10.18-py2.py3-none-any.whl (2.7 kB)
2026-01-14T09:06:45,252   Collecting xmltodict
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2026-01-14T09:06:46,281   Collecting pandas
2026-01-14T09:06:47,172     Using cached https://www.piwheels.org/simple/pandas/pandas-2.3.3-cp311-cp311-linux_armv7l.whl (12.4 MB)
2026-01-14T09:06:48,620   Collecting pydantic
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2026-01-14T09:06:49,318   Collecting zstandard
2026-01-14T09:06:49,680     Using cached https://www.piwheels.org/simple/zstandard/zstandard-0.25.0-cp311-cp311-linux_armv7l.whl (3.8 MB)
2026-01-14T09:06:50,511   Collecting contourpy>=1.0.1
2026-01-14T09:06:50,540     Using cached https://www.piwheels.org/simple/contourpy/contourpy-1.2.1-cp311-cp311-linux_armv7l.whl (251 kB)
2026-01-14T09:06:50,615   Collecting cycler>=0.10
2026-01-14T09:06:50,630     Using cached https://www.piwheels.org/simple/cycler/cycler-0.12.1-py3-none-any.whl (8.3 kB)
2026-01-14T09:06:52,087   Collecting fonttools>=4.22.0
2026-01-14T09:06:52,191     Using cached https://www.piwheels.org/simple/fonttools/fonttools-4.61.1-py3-none-any.whl (1.1 MB)
2026-01-14T09:06:52,749   Collecting kiwisolver>=1.3.1
2026-01-14T09:06:52,849     Using cached https://www.piwheels.org/simple/kiwisolver/kiwisolver-1.4.9-cp311-cp311-linux_armv7l.whl (1.1 MB)
2026-01-14T09:06:53,089   Collecting packaging>=20.0
2026-01-14T09:06:53,104     Using cached https://www.piwheels.org/simple/packaging/packaging-25.0-py3-none-any.whl (66 kB)
2026-01-14T09:06:53,384   Collecting pyparsing>=3
2026-01-14T09:06:53,405     Using cached https://www.piwheels.org/simple/pyparsing/pyparsing-3.3.1-py3-none-any.whl (121 kB)
2026-01-14T09:06:53,610   Collecting six>=1.5
2026-01-14T09:06:53,625     Using cached https://www.piwheels.org/simple/six/six-1.17.0-py2.py3-none-any.whl (11 kB)
2026-01-14T09:06:53,919   Collecting et-xmlfile
2026-01-14T09:06:53,936     Using cached https://www.piwheels.org/simple/et-xmlfile/et_xmlfile-2.0.0-py3-none-any.whl (18 kB)
2026-01-14T09:06:54,565   Collecting pytz>=2020.1
2026-01-14T09:06:54,613     Using cached https://www.piwheels.org/simple/pytz/pytz-2025.2-py3-none-any.whl (509 kB)
2026-01-14T09:06:54,762   Collecting tzdata>=2022.7
2026-01-14T09:06:54,803     Using cached https://www.piwheels.org/simple/tzdata/tzdata-2025.3-py2.py3-none-any.whl (348 kB)
2026-01-14T09:06:54,945   Collecting annotated-types>=0.6.0
2026-01-14T09:06:54,959     Using cached https://www.piwheels.org/simple/annotated-types/annotated_types-0.7.0-py3-none-any.whl (13 kB)
2026-01-14T09:07:00,718   Collecting pydantic-core==2.41.5
2026-01-14T09:07:00,776     Using cached pydantic_core-2.41.5-cp311-cp311-manylinux_2_17_armv7l.manylinux2014_armv7l.whl (2.1 MB)
2026-01-14T09:07:00,991   Collecting typing-extensions>=4.14.1
2026-01-14T09:07:01,008     Using cached https://www.piwheels.org/simple/typing-extensions/typing_extensions-4.15.0-py3-none-any.whl (44 kB)
2026-01-14T09:07:01,081   Collecting typing-inspection>=0.4.2
2026-01-14T09:07:01,096     Using cached https://www.piwheels.org/simple/typing-inspection/typing_inspection-0.4.2-py3-none-any.whl (14 kB)
2026-01-14T09:07:01,799   Collecting charset_normalizer<4,>=2
2026-01-14T09:07:01,807     Using cached charset_normalizer-3.4.4-cp311-cp311-manylinux2014_armv7l.manylinux_2_17_armv7l.manylinux_2_31_armv7l.whl (142 kB)
2026-01-14T09:07:01,932   Collecting idna<4,>=2.5
2026-01-14T09:07:01,948     Using cached https://www.piwheels.org/simple/idna/idna-3.11-py3-none-any.whl (71 kB)
2026-01-14T09:07:02,282   Collecting urllib3<3,>=1.21.1
2026-01-14T09:07:02,299     Using cached https://www.piwheels.org/simple/urllib3/urllib3-2.6.3-py3-none-any.whl (131 kB)
2026-01-14T09:07:02,483   Collecting certifi>=2017.4.17
2026-01-14T09:07:02,501     Using cached https://www.piwheels.org/simple/certifi/certifi-2026.1.4-py3-none-any.whl (152 kB)
2026-01-14T09:07:02,968   Collecting tifffile
2026-01-14T09:07:02,978     Downloading https://www.piwheels.org/simple/tifffile/tifffile-2025.12.20-py3-none-any.whl (231 kB)
2026-01-14T09:07:03,006        ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 231.9/231.9 kB 11.4 MB/s eta 0:00:00
2026-01-14T09:07:03,706   Building wheels for collected packages: muGrid
2026-01-14T09:07:03,712     Building wheel for muGrid (pyproject.toml): started
2026-01-14T09:07:03,712     Running command Building wheel for muGrid (pyproject.toml)
2026-01-14T09:07:04,657     *** scikit-build-core 0.11.6 using CMake 3.25.1 (wheel)
2026-01-14T09:07:04,686     *** Configuring CMake...
2026-01-14T09:07:05,075     loading initial cache file /tmp/tmp6emvwms3/build/CMakeInit.txt
2026-01-14T09:07:05,362     -- The C compiler identification is GNU 12.2.0
2026-01-14T09:07:05,671     -- The CXX compiler identification is GNU 12.2.0
2026-01-14T09:07:05,723     -- Detecting C compiler ABI info
2026-01-14T09:07:05,981     -- Detecting C compiler ABI info - done
2026-01-14T09:07:06,019     -- Check for working C compiler: /usr/bin/arm-linux-gnueabihf-gcc - skipped
2026-01-14T09:07:06,022     -- Detecting C compile features
2026-01-14T09:07:06,025     -- Detecting C compile features - done
2026-01-14T09:07:06,047     -- Detecting CXX compiler ABI info
2026-01-14T09:07:06,401     -- Detecting CXX compiler ABI info - done
2026-01-14T09:07:06,441     -- Check for working CXX compiler: /usr/bin/arm-linux-gnueabihf-g++ - skipped
2026-01-14T09:07:06,444     -- Detecting CXX compile features
2026-01-14T09:07:06,447     -- Detecting CXX compile features - done
2026-01-14T09:07:06,508     -- Eigen3 not found, fetching from GitLab...
2026-01-14T09:07:07,154     [1/9] Creating directories for 'eigen-populate'
2026-01-14T09:07:07,155     [1/9] Performing download step (git clone) for 'eigen-populate'
2026-01-14T09:07:07,156     Cloning into 'eigen-src'...
2026-01-14T09:07:07,157     fatal: transport 'https' not allowed
2026-01-14T09:07:07,159     Cloning into 'eigen-src'...
2026-01-14T09:07:07,160     fatal: transport 'https' not allowed
2026-01-14T09:07:07,161     Cloning into 'eigen-src'...
2026-01-14T09:07:07,162     fatal: transport 'https' not allowed
2026-01-14T09:07:07,162     -- Had to git clone more than once: 3 times.
2026-01-14T09:07:07,163     CMake Error at eigen-subbuild/eigen-populate-prefix/tmp/eigen-populate-gitclone.cmake:39 (message):
2026-01-14T09:07:07,164       Failed to clone repository: 'https://gitlab.com/libeigen/eigen.git'


2026-01-14T09:07:07,168     FAILED: eigen-populate-prefix/src/eigen-populate-stamp/eigen-populate-download /tmp/tmp6emvwms3/build/_deps/eigen-subbuild/eigen-populate-prefix/src/eigen-populate-stamp/eigen-populate-download
2026-01-14T09:07:07,169     cd /tmp/tmp6emvwms3/build/_deps && /usr/bin/cmake -P /tmp/tmp6emvwms3/build/_deps/eigen-subbuild/eigen-populate-prefix/tmp/eigen-populate-gitclone.cmake && /usr/bin/cmake -E touch /tmp/tmp6emvwms3/build/_deps/eigen-subbuild/eigen-populate-prefix/src/eigen-populate-stamp/eigen-populate-download
2026-01-14T09:07:07,170     ninja: build stopped: subcommand failed.

2026-01-14T09:07:07,172     CMake Error at /usr/share/cmake-3.25/Modules/FetchContent.cmake:1616 (message):
2026-01-14T09:07:07,173       Build step for eigen failed: 1
2026-01-14T09:07:07,174     Call Stack (most recent call first):
2026-01-14T09:07:07,175       /usr/share/cmake-3.25/Modules/FetchContent.cmake:1756:EVAL:2 (__FetchContent_directPopulate)
2026-01-14T09:07:07,176       /usr/share/cmake-3.25/Modules/FetchContent.cmake:1756 (cmake_language)
2026-01-14T09:07:07,177       /usr/share/cmake-3.25/Modules/FetchContent.cmake:1970 (FetchContent_Populate)
2026-01-14T09:07:07,180       CMakeLists.txt:121 (FetchContent_MakeAvailable)


2026-01-14T09:07:07,188     -- Configuring incomplete, errors occurred!
2026-01-14T09:07:07,191     See also "/tmp/tmp6emvwms3/build/CMakeFiles/CMakeOutput.log".

2026-01-14T09:07:07,227     *** CMake configuration failed
2026-01-14T09:07:07,371     error: subprocess-exited-with-error

2026-01-14T09:07:07,373     × Building wheel for muGrid (pyproject.toml) did not run successfully.
2026-01-14T09:07:07,373     │ exit code: 1
2026-01-14T09:07:07,374     ╰─> See above for output.

2026-01-14T09:07:07,375     note: This error originates from a subprocess, and is likely not a problem with pip.
2026-01-14T09:07:07,375     full command: /usr/bin/python3 /usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py build_wheel /tmp/tmpgdq509wh
2026-01-14T09:07:07,376     cwd: /tmp/pip-install-6vmntssm/mugrid_671cd201600a49c39fc9a2067d9547eb
2026-01-14T09:07:07,377     Building wheel for muGrid (pyproject.toml): finished with status 'error'
2026-01-14T09:07:07,380     ERROR: Failed building wheel for muGrid
2026-01-14T09:07:07,382   Failed to build muGrid
2026-01-14T09:07:07,383   ERROR: Could not build wheels for muGrid, which is required to install pyproject.toml-based projects
2026-01-14T09:07:09,984   ERROR: [present-rich] pip subprocess to install backend dependencies exited with 1
2026-01-14T09:07:09,998   [bold magenta]full command[/]: [blue]/usr/bin/python3 /usr/lib/python3/dist-packages/pip/__pip-runner__.py install --ignore-installed --no-user --prefix /tmp/pip-build-env-ts4mgstq/normal --no-warn-script-location -v --no-binary contactmechanics --only-binary :none: -i https://pypi.org/simple --extra-index-url https://www.piwheels.org/simple --prefer-binary -- numpy 'NuMPI>=0.5.0' 'scipy>=1.9.0' 'muGrid>=0.105.0' 'SurfaceTopography>=1.20.0'[/]
2026-01-14T09:07:09,998   [bold magenta]cwd[/]: \[inherit]
2026-01-14T09:07:09,999   Installing backend dependencies: finished with status 'error'
2026-01-14T09:07:10,000 ERROR: [present-rich] pip subprocess to install backend dependencies exited with 1
2026-01-14T09:07:10,005 Exception information:
2026-01-14T09:07:10,005 Traceback (most recent call last):
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper
2026-01-14T09:07:10,005     status = run_func(*args)
2026-01-14T09:07:10,005              ^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper
2026-01-14T09:07:10,005     return func(self, options, args)
2026-01-14T09:07:10,005            ^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run
2026-01-14T09:07:10,005     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2026-01-14T09:07:10,005                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2026-01-14T09:07:10,005     result = self._result = resolver.resolve(
2026-01-14T09:07:10,005                             ^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve
2026-01-14T09:07:10,005     state = resolution.resolve(requirements, max_rounds=max_rounds)
2026-01-14T09:07:10,005             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve
2026-01-14T09:07:10,005     self._add_to_criteria(self.state.criteria, r, parent=None)
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria
2026-01-14T09:07:10,005     if not criterion.candidates:
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__
2026-01-14T09:07:10,005     return bool(self._sequence)
2026-01-14T09:07:10,005            ^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2026-01-14T09:07:10,005     return any(self)
2026-01-14T09:07:10,005            ^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2026-01-14T09:07:10,005     return (c for c in iterator if id(c) not in self._incompatible_ids)
2026-01-14T09:07:10,005            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2026-01-14T09:07:10,005     candidate = func()
2026-01-14T09:07:10,005                 ^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link
2026-01-14T09:07:10,005     self._link_candidate_cache[link] = LinkCandidate(
2026-01-14T09:07:10,005                                        ^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 297, in __init__
2026-01-14T09:07:10,005     super().__init__(
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 162, in __init__
2026-01-14T09:07:10,005     self.dist = self._prepare()
2026-01-14T09:07:10,005                 ^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 231, in _prepare
2026-01-14T09:07:10,005     dist = self._prepare_distribution()
2026-01-14T09:07:10,005            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 308, in _prepare_distribution
2026-01-14T09:07:10,005     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2026-01-14T09:07:10,005            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 491, in prepare_linked_requirement
2026-01-14T09:07:10,005     return self._prepare_linked_requirement(req, parallel_builds)
2026-01-14T09:07:10,005            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 577, in _prepare_linked_requirement
2026-01-14T09:07:10,005     dist = _get_prepared_distribution(
2026-01-14T09:07:10,005            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution
2026-01-14T09:07:10,005     abstract_dist.prepare_distribution_metadata(
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 48, in prepare_distribution_metadata
2026-01-14T09:07:10,005     self._install_build_reqs(finder)
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 122, in _install_build_reqs
2026-01-14T09:07:10,005     self.req.build_env.install_requirements(
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/build_env.py", line 217, in install_requirements
2026-01-14T09:07:10,005     self._install_requirements(
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/build_env.py", line 275, in _install_requirements
2026-01-14T09:07:10,005     call_subprocess(
2026-01-14T09:07:10,005   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2026-01-14T09:07:10,005     raise error
2026-01-14T09:07:10,005 pip._internal.exceptions.InstallationSubprocessError: pip subprocess to install backend dependencies exited with 1
2026-01-14T09:07:10,019 Removed contactmechanics==1.8.0 from https://files.pythonhosted.org/packages/23/bd/acf0fc24656e2241ec5d3b963707596ed1a75b0b00b9b287313a622d22c6/contactmechanics-1.8.0.tar.gz from build tracker '/tmp/pip-build-tracker-ylf63arg'
2026-01-14T09:07:10,020 Removed build tracker: '/tmp/pip-build-tracker-ylf63arg'