2024-04-20T21:02:18,191 Created temporary directory: /tmp/pip-build-tracker-wuxs3_qe
2024-04-20T21:02:18,193 Initialized build tracking at /tmp/pip-build-tracker-wuxs3_qe
2024-04-20T21:02:18,193 Created build tracker: /tmp/pip-build-tracker-wuxs3_qe
2024-04-20T21:02:18,193 Entered build tracker: /tmp/pip-build-tracker-wuxs3_qe
2024-04-20T21:02:18,194 Created temporary directory: /tmp/pip-wheel-om5csnvi
2024-04-20T21:02:18,198 Created temporary directory: /tmp/pip-ephem-wheel-cache-s3_9otqw
2024-04-20T21:02:18,223 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2024-04-20T21:02:18,227 2 location(s) to search for versions of contactmechanics:
2024-04-20T21:02:18,227 * https://pypi.org/simple/contactmechanics/
2024-04-20T21:02:18,227 * https://www.piwheels.org/simple/contactmechanics/
2024-04-20T21:02:18,228 Fetching project page and analyzing links: https://pypi.org/simple/contactmechanics/
2024-04-20T21:02:18,228 Getting page https://pypi.org/simple/contactmechanics/
2024-04-20T21:02:18,230 Found index url https://pypi.org/simple/
2024-04-20T21:02:18,284 Fetched page https://pypi.org/simple/contactmechanics/ as application/vnd.pypi.simple.v1+json
2024-04-20T21:02:18,288   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
2024-04-20T21:02:18,289   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)
2024-04-20T21:02:18,289   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
2024-04-20T21:02:18,290   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)
2024-04-20T21:02:18,290   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
2024-04-20T21:02:18,291   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)
2024-04-20T21:02:18,291   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
2024-04-20T21:02:18,292   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
2024-04-20T21:02:18,292   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
2024-04-20T21:02:18,293   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
2024-04-20T21:02:18,293   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)
2024-04-20T21:02:18,294   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
2024-04-20T21:02:18,294   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)
2024-04-20T21:02:18,294   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)
2024-04-20T21:02:18,295   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
2024-04-20T21:02:18,295   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)
2024-04-20T21:02:18,295   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
2024-04-20T21:02:18,296 Fetching project page and analyzing links: https://www.piwheels.org/simple/contactmechanics/
2024-04-20T21:02:18,296 Getting page https://www.piwheels.org/simple/contactmechanics/
2024-04-20T21:02:18,297 Found index url https://www.piwheels.org/simple/
2024-04-20T21:02:18,504 Fetched page https://www.piwheels.org/simple/contactmechanics/ as text/html
2024-04-20T21:02:18,507   Skipping link: No binaries permitted for contactmechanics: https://www.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)
2024-04-20T21:02:18,507   Skipping link: No binaries permitted for contactmechanics: https://www.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)
2024-04-20T21:02:18,507   Skipping link: No binaries permitted for contactmechanics: https://www.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)
2024-04-20T21:02:18,508   Skipping link: No binaries permitted for contactmechanics: https://www.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)
2024-04-20T21:02:18,508   Skipping link: No binaries permitted for contactmechanics: https://www.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)
2024-04-20T21:02:18,508   Skipping link: No binaries permitted for contactmechanics: https://www.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)
2024-04-20T21:02:18,508 Skipping link: not a file: https://www.piwheels.org/simple/contactmechanics/
2024-04-20T21:02:18,508 Skipping link: not a file: https://pypi.org/simple/contactmechanics/
2024-04-20T21:02:18,532 Given no hashes to check 1 links for project 'contactmechanics': discarding no candidates
2024-04-20T21:02:18,556 Collecting contactmechanics==1.3.0
2024-04-20T21:02:18,560   Created temporary directory: /tmp/pip-unpack-yfnjr1cf
2024-04-20T21:02:18,620   Downloading contactmechanics-1.3.0.tar.gz (61 kB)
2024-04-20T21:02:18,720   Added contactmechanics==1.3.0 from https://files.pythonhosted.org/packages/f3/cd/5673bc3d05975f3cf3b81d28eb5241de8ef99ca77bc90c24e11c27cc9c9e/contactmechanics-1.3.0.tar.gz to build tracker '/tmp/pip-build-tracker-wuxs3_qe'
2024-04-20T21:02:18,726   Created temporary directory: /tmp/pip-build-env-vl30yp1c
2024-04-20T21:02:18,736   Installing build dependencies: started
2024-04-20T21:02:18,737   Running command pip subprocess to install build dependencies
2024-04-20T21:02:19,909   Using pip 24.0 from /usr/local/lib/python3.9/dist-packages/pip (python 3.9)
2024-04-20T21:02:20,445   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2024-04-20T21:02:20,756   Collecting flit_core>=3.2
2024-04-20T21:02:20,791     Using cached https://www.piwheels.org/simple/flit-core/flit_core-3.9.0-py3-none-any.whl (63 kB)
2024-04-20T21:02:20,953   Collecting DiscoverVersion
2024-04-20T21:02:20,975     Using cached https://www.piwheels.org/simple/discoverversion/discoverversion-0.2.1-py3-none-any.whl (6.1 kB)
2024-04-20T21:02:22,495   Installing collected packages: flit_core, DiscoverVersion
2024-04-20T21:02:22,859   Successfully installed DiscoverVersion-0.2.1 flit_core-3.9.0
2024-04-20T21:02:23,262   Installing build dependencies: finished with status 'done'
2024-04-20T21:02:23,267   Getting requirements to build wheel: started
2024-04-20T21:02:23,268   Running command Getting requirements to build wheel
2024-04-20T21:02:23,586   Getting requirements to build wheel: finished with status 'done'
2024-04-20T21:02:23,644   Installing backend dependencies: started
2024-04-20T21:02:23,645   Running command pip subprocess to install backend dependencies
2024-04-20T21:02:24,860   Using pip 24.0 from /usr/local/lib/python3.9/dist-packages/pip (python 3.9)
2024-04-20T21:02:25,403   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2024-04-20T21:02:26,627   Collecting numpy
2024-04-20T21:02:26,645     Using cached https://www.piwheels.org/simple/numpy/numpy-1.26.4-cp39-cp39-linux_armv7l.whl (5.6 MB)
2024-04-20T21:02:26,983   Collecting NuMPI>=0.5.0
2024-04-20T21:02:26,984     Obtaining dependency information for NuMPI>=0.5.0 from https://files.pythonhosted.org/packages/5f/de/250f79147fc963e334d1d8af35b3c04c892049d37a052902948a53c75724/numpi-0.5.0-py3-none-any.whl.metadata
2024-04-20T21:02:27,109     Downloading numpi-0.5.0-py3-none-any.whl.metadata (3.0 kB)
2024-04-20T21:02:27,736   Collecting scipy>=1.9.0
2024-04-20T21:02:27,753     Using cached https://www.piwheels.org/simple/scipy/scipy-1.13.0-cp39-cp39-linux_armv7l.whl (24.9 MB)
2024-04-20T21:02:28,886   Collecting netCDF4
2024-04-20T21:02:28,897     Using cached netCDF4-1.6.5.tar.gz (764 kB)
2024-04-20T21:02:29,221     Installing build dependencies: started
2024-04-20T21:02:29,221     Running command pip subprocess to install build dependencies
2024-04-20T21:02:31,031     Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2024-04-20T21:02:32,617     Collecting Cython>=0.29
2024-04-20T21:02:32,633       Using cached https://www.piwheels.org/simple/cython/Cython-3.0.10-cp39-cp39-linux_armv7l.whl (10.7 MB)
2024-04-20T21:02:33,127     Collecting oldest-supported-numpy
2024-04-20T21:02:33,146       Using cached https://www.piwheels.org/simple/oldest-supported-numpy/oldest_supported_numpy-2023.12.21-py3-none-any.whl (4.9 kB)
2024-04-20T21:02:34,459     Collecting setuptools>=61
2024-04-20T21:02:34,475       Using cached https://www.piwheels.org/simple/setuptools/setuptools-69.5.1-py3-none-any.whl (894 kB)
2024-04-20T21:02:35,738     Collecting numpy==1.19.3 (from oldest-supported-numpy)
2024-04-20T21:02:35,758       Using cached https://www.piwheels.org/simple/numpy/numpy-1.19.3-cp39-cp39-linux_armv7l.whl (10.5 MB)
2024-04-20T21:02:38,101     Installing collected packages: setuptools, numpy, Cython, oldest-supported-numpy
2024-04-20T21:02:52,710     ERROR: pip's dependency resolver does not currently take into account all the packages that are installed. This behaviour is the source of the following dependency conflicts.
2024-04-20T21:02:52,711     scipy 1.12.0 requires numpy<1.29.0,>=1.22.4, but you have numpy 1.19.3 which is incompatible.
2024-04-20T21:02:52,712     Successfully installed Cython-3.0.10 numpy-1.19.3 oldest-supported-numpy-2023.12.21 setuptools-69.5.1
2024-04-20T21:02:53,372     Installing build dependencies: finished with status 'done'
2024-04-20T21:02:53,378     Getting requirements to build wheel: started
2024-04-20T21:02:53,379     Running command Getting requirements to build wheel
2024-04-20T21:02:54,009     reading from setup.cfg...

2024-04-20T21:02:54,010     NETCDF4_DIR environment variable not set, checking standard locations..
2024-04-20T21:02:54,011     checking /home/piwheels ...
2024-04-20T21:02:54,012     checking /usr/local ...
2024-04-20T21:02:54,013     checking /sw ...
2024-04-20T21:02:54,014     checking /opt ...
2024-04-20T21:02:54,016     checking /opt/local ...
2024-04-20T21:02:54,017     checking /opt/homebrew ...
2024-04-20T21:02:54,018     checking /usr ...
2024-04-20T21:02:54,019     Traceback (most recent call last):
2024-04-20T21:02:54,020       File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 353, in <module>
2024-04-20T21:02:54,020         main()
2024-04-20T21:02:54,021       File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 335, in main
2024-04-20T21:02:54,022         json_out['return_val'] = hook(**hook_input['kwargs'])
2024-04-20T21:02:54,023       File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 118, in get_requires_for_build_wheel
2024-04-20T21:02:54,024         return hook(config_settings)
2024-04-20T21:02:54,025       File "/tmp/pip-build-env-_mwx4jeu/overlay/lib/python3.9/site-packages/setuptools/build_meta.py", line 325, in get_requires_for_build_wheel
2024-04-20T21:02:54,026         return self._get_build_requires(config_settings, requirements=['wheel'])
2024-04-20T21:02:54,028       File "/tmp/pip-build-env-_mwx4jeu/overlay/lib/python3.9/site-packages/setuptools/build_meta.py", line 295, in _get_build_requires
2024-04-20T21:02:54,029         self.run_setup()
2024-04-20T21:02:54,030       File "/tmp/pip-build-env-_mwx4jeu/overlay/lib/python3.9/site-packages/setuptools/build_meta.py", line 311, in run_setup
2024-04-20T21:02:54,031         exec(code, locals())
2024-04-20T21:02:54,032       File "<string>", line 473, in <module>
2024-04-20T21:02:54,033     ValueError: did not find netCDF version 4 headers
2024-04-20T21:02:54,099     error: subprocess-exited-with-error

2024-04-20T21:02:54,100     × Getting requirements to build wheel did not run successfully.
2024-04-20T21:02:54,100     │ exit code: 1
2024-04-20T21:02:54,100     ╰─> See above for output.

2024-04-20T21:02:54,100     note: This error originates from a subprocess, and is likely not a problem with pip.
2024-04-20T21:02:54,101     full command: /usr/bin/python3 /usr/local/lib/python3.9/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py get_requires_for_build_wheel /tmp/tmplunfhjwc
2024-04-20T21:02:54,102     cwd: /tmp/pip-install-f3sz46re/netcdf4_1cad5720f78a4b7abec92c60d891726c
2024-04-20T21:02:54,103     Getting requirements to build wheel: finished with status 'error'
2024-04-20T21:02:54,110   error: subprocess-exited-with-error

2024-04-20T21:02:54,110   × Getting requirements to build wheel did not run successfully.
2024-04-20T21:02:54,110   │ exit code: 1
2024-04-20T21:02:54,111   ╰─> See above for output.

2024-04-20T21:02:54,111   note: This error originates from a subprocess, and is likely not a problem with pip.
2024-04-20T21:02:55,363   ERROR: pip subprocess to install backend dependencies exited with 1
2024-04-20T21:02:55,381   [bold magenta]full command[/]: [blue]/usr/bin/python3 /usr/local/lib/python3.9/dist-packages/pip/__pip-runner__.py install --ignore-installed --no-user --prefix /tmp/pip-build-env-vl30yp1c/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' netCDF4 'muSpectre>=0.25.1' 'SurfaceTopography>=1.12.2'[/]
2024-04-20T21:02:55,381   [bold magenta]cwd[/]: \[inherit]
2024-04-20T21:02:55,381   Installing backend dependencies: finished with status 'error'
2024-04-20T21:02:55,382 ERROR: pip subprocess to install backend dependencies exited with 1
2024-04-20T21:02:55,388 Exception information:
2024-04-20T21:02:55,388 Traceback (most recent call last):
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/base_command.py", line 180, in exc_logging_wrapper
2024-04-20T21:02:55,388     status = run_func(*args)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/cli/req_command.py", line 245, in wrapper
2024-04-20T21:02:55,388     return func(self, options, args)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2024-04-20T21:02:55,388     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 95, in resolve
2024-04-20T21:02:55,388     result = self._result = resolver.resolve(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 546, in resolve
2024-04-20T21:02:55,388     state = resolution.resolve(requirements, max_rounds=max_rounds)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 397, in resolve
2024-04-20T21:02:55,388     self._add_to_criteria(self.state.criteria, r, parent=None)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria
2024-04-20T21:02:55,388     if not criterion.candidates:
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_vendor/resolvelib/structs.py", line 156, in __bool__
2024-04-20T21:02:55,388     return bool(self._sequence)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2024-04-20T21:02:55,388     return any(self)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2024-04-20T21:02:55,388     return (c for c in iterator if id(c) not in self._incompatible_ids)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2024-04-20T21:02:55,388     candidate = func()
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 182, in _make_candidate_from_link
2024-04-20T21:02:55,388     base: Optional[BaseCandidate] = self._make_base_candidate_from_link(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 228, in _make_base_candidate_from_link
2024-04-20T21:02:55,388     self._link_candidate_cache[link] = LinkCandidate(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 290, in __init__
2024-04-20T21:02:55,388     super().__init__(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 156, in __init__
2024-04-20T21:02:55,388     self.dist = self._prepare()
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 222, in _prepare
2024-04-20T21:02:55,388     dist = self._prepare_distribution()
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 301, in _prepare_distribution
2024-04-20T21:02:55,388     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 525, in prepare_linked_requirement
2024-04-20T21:02:55,388     return self._prepare_linked_requirement(req, parallel_builds)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 640, in _prepare_linked_requirement
2024-04-20T21:02:55,388     dist = _get_prepared_distribution(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution
2024-04-20T21:02:55,388     abstract_dist.prepare_distribution_metadata(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/distributions/sdist.py", line 54, in prepare_distribution_metadata
2024-04-20T21:02:55,388     self._install_build_reqs(finder)
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/distributions/sdist.py", line 128, in _install_build_reqs
2024-04-20T21:02:55,388     self.req.build_env.install_requirements(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/build_env.py", line 217, in install_requirements
2024-04-20T21:02:55,388     self._install_requirements(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/build_env.py", line 275, in _install_requirements
2024-04-20T21:02:55,388     call_subprocess(
2024-04-20T21:02:55,388   File "/usr/local/lib/python3.9/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2024-04-20T21:02:55,388     raise error
2024-04-20T21:02:55,388 pip._internal.exceptions.InstallationSubprocessError: pip subprocess to install backend dependencies exited with 1
2024-04-20T21:02:55,398 Removed contactmechanics==1.3.0 from https://files.pythonhosted.org/packages/f3/cd/5673bc3d05975f3cf3b81d28eb5241de8ef99ca77bc90c24e11c27cc9c9e/contactmechanics-1.3.0.tar.gz from build tracker '/tmp/pip-build-tracker-wuxs3_qe'
2024-04-20T21:02:55,399 Removed build tracker: '/tmp/pip-build-tracker-wuxs3_qe'