2026-05-04T01:38:59,158 Created temporary directory: /tmp/pip-ephem-wheel-cache-hppviy2y 2026-05-04T01:38:59,160 Created temporary directory: /tmp/pip-build-tracker-8aasa0m5 2026-05-04T01:38:59,161 Initialized build tracking at /tmp/pip-build-tracker-8aasa0m5 2026-05-04T01:38:59,161 Created build tracker: /tmp/pip-build-tracker-8aasa0m5 2026-05-04T01:38:59,162 Entered build tracker: /tmp/pip-build-tracker-8aasa0m5 2026-05-04T01:38:59,163 Created temporary directory: /tmp/pip-wheel-l932w4w5 2026-05-04T01:38:59,166 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 2026-05-04T01:38:59,168 Created temporary directory: /tmp/pip-ephem-wheel-cache-7oxqn7r7 2026-05-04T01:38:59,193 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-05-04T01:38:59,196 2 location(s) to search for versions of qvac: 2026-05-04T01:38:59,196 * https://pypi.org/simple/qvac/ 2026-05-04T01:38:59,196 * https://www.piwheels.org/simple/qvac/ 2026-05-04T01:38:59,197 Fetching project page and analyzing links: https://pypi.org/simple/qvac/ 2026-05-04T01:38:59,199 Getting page https://pypi.org/simple/qvac/ 2026-05-04T01:38:59,200 Found index url https://pypi.org/simple 2026-05-04T01:38:59,352 Fetched page https://pypi.org/simple/qvac/ as application/vnd.pypi.simple.v1+json 2026-05-04T01:38:59,354 Skipping link: No binaries permitted for qvac: https://files.pythonhosted.org/packages/e9/3f/e1dcea7007e9a49c9f4adb439875ae4ba941284e4bd94bea8823deccd803/qvac-1.0.0-py3-none-any.whl (from https://pypi.org/simple/qvac/) (requires-python:>=3.9) 2026-05-04T01:38:59,355 Found link https://files.pythonhosted.org/packages/5d/3d/89963a00c39f669e4a0e78e7214712adb2534e1a0f34d2f7f2ad4b2aa375/qvac-1.0.0.tar.gz (from https://pypi.org/simple/qvac/) (requires-python:>=3.9), version: 1.0.0 2026-05-04T01:38:59,355 Skipping link: No binaries permitted for qvac: https://files.pythonhosted.org/packages/dd/3b/5d16bc13f6be1c450c66d5acc32def7b59ac0717f040c5b4d12d3b8cf803/qvac-1.0.1-py3-none-any.whl (from https://pypi.org/simple/qvac/) (requires-python:>=3.9) 2026-05-04T01:38:59,356 Found link https://files.pythonhosted.org/packages/f7/4a/817f71956d1a8f773e0a7447d31568a2bbc7731d107886803558f94f26c9/qvac-1.0.1.tar.gz (from https://pypi.org/simple/qvac/) (requires-python:>=3.9), version: 1.0.1 2026-05-04T01:38:59,357 Fetching project page and analyzing links: https://www.piwheels.org/simple/qvac/ 2026-05-04T01:38:59,358 Getting page https://www.piwheels.org/simple/qvac/ 2026-05-04T01:38:59,359 Found index url https://www.piwheels.org/simple 2026-05-04T01:38:59,531 Fetched page https://www.piwheels.org/simple/qvac/ as text/html 2026-05-04T01:38:59,533 Skipping link: No binaries permitted for qvac: https://www.piwheels.org/simple/qvac/qvac-1.0.0-py3-none-any.whl#sha256=6664016a4771a2052950402b0da286cead3cf782d03a782132039f6d91c994d3 (from https://www.piwheels.org/simple/qvac/) (requires-python:>=3.9) 2026-05-04T01:38:59,534 Skipping link: not a file: https://www.piwheels.org/simple/qvac/ 2026-05-04T01:38:59,534 Skipping link: not a file: https://pypi.org/simple/qvac/ 2026-05-04T01:38:59,554 Given no hashes to check 1 links for project 'qvac': discarding no candidates 2026-05-04T01:38:59,574 Collecting qvac==1.0.1 2026-05-04T01:38:59,576 Created temporary directory: /tmp/pip-unpack-sfzpjuo4 2026-05-04T01:38:59,805 Downloading qvac-1.0.1.tar.gz (40 kB) 2026-05-04T01:38:59,887 Added qvac==1.0.1 from https://files.pythonhosted.org/packages/f7/4a/817f71956d1a8f773e0a7447d31568a2bbc7731d107886803558f94f26c9/qvac-1.0.1.tar.gz to build tracker '/tmp/pip-build-tracker-8aasa0m5' 2026-05-04T01:38:59,892 Created temporary directory: /tmp/pip-build-env-r_z6659_ 2026-05-04T01:38:59,897 Installing build dependencies: started 2026-05-04T01:38:59,898 Running command pip subprocess to install build dependencies 2026-05-04T01:39:01,021 Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11) 2026-05-04T01:39:01,498 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 2026-05-04T01:39:01,521 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-05-04T01:39:03,294 Collecting setuptools>=77 2026-05-04T01:39:03,369 Using cached https://www.piwheels.org/simple/setuptools/setuptools-82.0.1-py3-none-any.whl (1.0 MB) 2026-05-04T01:39:03,639 Collecting wheel 2026-05-04T01:39:03,653 Using cached https://www.piwheels.org/simple/wheel/wheel-0.47.0-py3-none-any.whl (32 kB) 2026-05-04T01:39:03,837 Collecting packaging>=24.0 2026-05-04T01:39:03,854 Using cached https://www.piwheels.org/simple/packaging/packaging-26.2-py3-none-any.whl (100 kB) 2026-05-04T01:39:06,800 Installing collected packages: setuptools, packaging, wheel 2026-05-04T01:39:10,187 Creating /tmp/pip-build-env-r_z6659_/overlay/local/bin 2026-05-04T01:39:10,189 changing mode of /tmp/pip-build-env-r_z6659_/overlay/local/bin/wheel to 755 2026-05-04T01:39:10,208 Successfully installed packaging-26.2 setuptools-82.0.1 wheel-0.47.0 2026-05-04T01:39:10,487 Installing build dependencies: finished with status 'done' 2026-05-04T01:39:10,494 Getting requirements to build wheel: started 2026-05-04T01:39:10,495 Running command Getting requirements to build wheel 2026-05-04T01:39:11,164 /tmp/pip-build-env-r_z6659_/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated. 2026-05-04T01:39:11,164 !! 2026-05-04T01:39:11,166 ******************************************************************************** 2026-05-04T01:39:11,166 Please consider removing the following classifiers in favor of a SPDX license expression: 2026-05-04T01:39:11,168 License :: OSI Approved :: MIT License 2026-05-04T01:39:11,169 See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details. 2026-05-04T01:39:11,169 ******************************************************************************** 2026-05-04T01:39:11,171 !! 2026-05-04T01:39:11,171 dist._finalize_license_expression() 2026-05-04T01:39:11,172 /tmp/pip-build-env-r_z6659_/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated. 2026-05-04T01:39:11,173 !! 2026-05-04T01:39:11,174 ******************************************************************************** 2026-05-04T01:39:11,174 Please consider removing the following classifiers in favor of a SPDX license expression: 2026-05-04T01:39:11,175 License :: OSI Approved :: MIT License 2026-05-04T01:39:11,177 See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details. 2026-05-04T01:39:11,177 ******************************************************************************** 2026-05-04T01:39:11,178 !! 2026-05-04T01:39:11,179 self._finalize_license_expression() 2026-05-04T01:39:11,179 running egg_info 2026-05-04T01:39:11,182 writing qvac.egg-info/PKG-INFO 2026-05-04T01:39:11,185 writing dependency_links to qvac.egg-info/dependency_links.txt 2026-05-04T01:39:11,187 writing entry points to qvac.egg-info/entry_points.txt 2026-05-04T01:39:11,189 writing requirements to qvac.egg-info/requires.txt 2026-05-04T01:39:11,190 writing top-level names to qvac.egg-info/top_level.txt 2026-05-04T01:39:11,215 reading manifest file 'qvac.egg-info/SOURCES.txt' 2026-05-04T01:39:11,218 reading manifest template 'MANIFEST.in' 2026-05-04T01:39:11,220 adding license file 'LICENSE' 2026-05-04T01:39:11,223 writing manifest file 'qvac.egg-info/SOURCES.txt' 2026-05-04T01:39:11,321 Getting requirements to build wheel: finished with status 'done' 2026-05-04T01:39:11,324 Created temporary directory: /tmp/pip-modern-metadata-sksxeiom 2026-05-04T01:39:11,327 Preparing metadata (pyproject.toml): started 2026-05-04T01:39:11,328 Running command Preparing metadata (pyproject.toml) 2026-05-04T01:39:11,994 /tmp/pip-build-env-r_z6659_/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated. 2026-05-04T01:39:11,994 !! 2026-05-04T01:39:11,995 ******************************************************************************** 2026-05-04T01:39:11,996 Please consider removing the following classifiers in favor of a SPDX license expression: 2026-05-04T01:39:11,997 License :: OSI Approved :: MIT License 2026-05-04T01:39:11,998 See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details. 2026-05-04T01:39:11,998 ******************************************************************************** 2026-05-04T01:39:11,999 !! 2026-05-04T01:39:12,000 dist._finalize_license_expression() 2026-05-04T01:39:12,000 /tmp/pip-build-env-r_z6659_/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated. 2026-05-04T01:39:12,000 !! 2026-05-04T01:39:12,001 ******************************************************************************** 2026-05-04T01:39:12,002 Please consider removing the following classifiers in favor of a SPDX license expression: 2026-05-04T01:39:12,003 License :: OSI Approved :: MIT License 2026-05-04T01:39:12,004 See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details. 2026-05-04T01:39:12,004 ******************************************************************************** 2026-05-04T01:39:12,005 !! 2026-05-04T01:39:12,006 self._finalize_license_expression() 2026-05-04T01:39:12,007 running dist_info 2026-05-04T01:39:12,014 creating /tmp/pip-modern-metadata-sksxeiom/qvac.egg-info 2026-05-04T01:39:12,015 writing /tmp/pip-modern-metadata-sksxeiom/qvac.egg-info/PKG-INFO 2026-05-04T01:39:12,018 writing dependency_links to /tmp/pip-modern-metadata-sksxeiom/qvac.egg-info/dependency_links.txt 2026-05-04T01:39:12,020 writing entry points to /tmp/pip-modern-metadata-sksxeiom/qvac.egg-info/entry_points.txt 2026-05-04T01:39:12,022 writing requirements to /tmp/pip-modern-metadata-sksxeiom/qvac.egg-info/requires.txt 2026-05-04T01:39:12,023 writing top-level names to /tmp/pip-modern-metadata-sksxeiom/qvac.egg-info/top_level.txt 2026-05-04T01:39:12,024 writing manifest file '/tmp/pip-modern-metadata-sksxeiom/qvac.egg-info/SOURCES.txt' 2026-05-04T01:39:12,046 reading manifest file '/tmp/pip-modern-metadata-sksxeiom/qvac.egg-info/SOURCES.txt' 2026-05-04T01:39:12,048 reading manifest template 'MANIFEST.in' 2026-05-04T01:39:12,050 adding license file 'LICENSE' 2026-05-04T01:39:12,053 writing manifest file '/tmp/pip-modern-metadata-sksxeiom/qvac.egg-info/SOURCES.txt' 2026-05-04T01:39:12,054 creating '/tmp/pip-modern-metadata-sksxeiom/qvac-1.0.1.dist-info' 2026-05-04T01:39:12,180 Preparing metadata (pyproject.toml): finished with status 'done' 2026-05-04T01:39:12,185 Source in /tmp/pip-wheel-l932w4w5/qvac_7a6b9e3b3a6f46d5ba2951e11053bca7 has version 1.0.1, which satisfies requirement qvac==1.0.1 from https://files.pythonhosted.org/packages/f7/4a/817f71956d1a8f773e0a7447d31568a2bbc7731d107886803558f94f26c9/qvac-1.0.1.tar.gz 2026-05-04T01:39:12,186 Removed qvac==1.0.1 from https://files.pythonhosted.org/packages/f7/4a/817f71956d1a8f773e0a7447d31568a2bbc7731d107886803558f94f26c9/qvac-1.0.1.tar.gz from build tracker '/tmp/pip-build-tracker-8aasa0m5' 2026-05-04T01:39:12,192 Created temporary directory: /tmp/pip-unpack-bcvm5mmn 2026-05-04T01:39:12,192 Building wheels for collected packages: qvac 2026-05-04T01:39:12,197 Created temporary directory: /tmp/pip-wheel-0bub2wn1 2026-05-04T01:39:12,197 Destination directory: /tmp/pip-wheel-0bub2wn1 2026-05-04T01:39:12,199 Building wheel for qvac (pyproject.toml): started 2026-05-04T01:39:12,200 Running command Building wheel for qvac (pyproject.toml) 2026-05-04T01:39:12,822 /tmp/pip-build-env-r_z6659_/overlay/local/lib/python3.11/dist-packages/setuptools/config/_apply_pyprojecttoml.py:61: SetuptoolsDeprecationWarning: License classifiers are deprecated. 2026-05-04T01:39:12,822 !! 2026-05-04T01:39:12,823 ******************************************************************************** 2026-05-04T01:39:12,824 Please consider removing the following classifiers in favor of a SPDX license expression: 2026-05-04T01:39:12,825 License :: OSI Approved :: MIT License 2026-05-04T01:39:12,826 See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details. 2026-05-04T01:39:12,826 ******************************************************************************** 2026-05-04T01:39:12,827 !! 2026-05-04T01:39:12,827 dist._finalize_license_expression() 2026-05-04T01:39:12,828 /tmp/pip-build-env-r_z6659_/overlay/local/lib/python3.11/dist-packages/setuptools/dist.py:765: SetuptoolsDeprecationWarning: License classifiers are deprecated. 2026-05-04T01:39:12,829 !! 2026-05-04T01:39:12,830 ******************************************************************************** 2026-05-04T01:39:12,830 Please consider removing the following classifiers in favor of a SPDX license expression: 2026-05-04T01:39:12,831 License :: OSI Approved :: MIT License 2026-05-04T01:39:12,832 See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details. 2026-05-04T01:39:12,833 ******************************************************************************** 2026-05-04T01:39:12,834 !! 2026-05-04T01:39:12,834 self._finalize_license_expression() 2026-05-04T01:39:12,835 running bdist_wheel 2026-05-04T01:39:12,852 running build 2026-05-04T01:39:12,853 running build_py 2026-05-04T01:39:12,860 creating build/lib/QVAC-Package 2026-05-04T01:39:12,862 copying QVAC-Package/qvac_draw.py -> build/lib/QVAC-Package 2026-05-04T01:39:12,865 copying QVAC-Package/setup.py -> build/lib/QVAC-Package 2026-05-04T01:39:12,868 creating build/lib/examples 2026-05-04T01:39:12,869 copying examples/screen_capture.py -> build/lib/examples 2026-05-04T01:39:12,872 copying examples/webcam_relay.py -> build/lib/examples 2026-05-04T01:39:12,874 creating build/lib/qvac 2026-05-04T01:39:12,875 copying qvac/installer.py -> build/lib/qvac 2026-05-04T01:39:12,877 copying qvac/camera.py -> build/lib/qvac 2026-05-04T01:39:12,879 copying qvac/__init__.py -> build/lib/qvac 2026-05-04T01:39:12,882 creating build/lib/QVAC-Package/examples 2026-05-04T01:39:12,883 copying QVAC-Package/examples/screen_capture.py -> build/lib/QVAC-Package/examples 2026-05-04T01:39:12,885 copying QVAC-Package/examples/webcam_relay.py -> build/lib/QVAC-Package/examples 2026-05-04T01:39:12,887 creating build/lib/QVAC-Package/qvac 2026-05-04T01:39:12,888 copying QVAC-Package/qvac/camera.py -> build/lib/QVAC-Package/qvac 2026-05-04T01:39:12,890 copying QVAC-Package/qvac/__init__.py -> build/lib/QVAC-Package/qvac 2026-05-04T01:39:12,892 running egg_info 2026-05-04T01:39:12,902 writing qvac.egg-info/PKG-INFO 2026-05-04T01:39:12,905 writing dependency_links to qvac.egg-info/dependency_links.txt 2026-05-04T01:39:12,906 writing entry points to qvac.egg-info/entry_points.txt 2026-05-04T01:39:12,907 writing requirements to qvac.egg-info/requires.txt 2026-05-04T01:39:12,908 writing top-level names to qvac.egg-info/top_level.txt 2026-05-04T01:39:12,921 reading manifest file 'qvac.egg-info/SOURCES.txt' 2026-05-04T01:39:12,924 reading manifest template 'MANIFEST.in' 2026-05-04T01:39:12,926 adding license file 'LICENSE' 2026-05-04T01:39:12,929 writing manifest file 'qvac.egg-info/SOURCES.txt' 2026-05-04T01:39:12,933 creating build/lib/qvac/bin 2026-05-04T01:39:12,934 copying qvac/bin/QVAC-DirectShow.dll -> build/lib/qvac/bin 2026-05-04T01:39:12,948 installing to build/bdist.linux-armv7l/wheel 2026-05-04T01:39:12,949 running install 2026-05-04T01:39:12,971 running install_lib 2026-05-04T01:39:12,976 creating build/bdist.linux-armv7l/wheel 2026-05-04T01:39:12,978 creating build/bdist.linux-armv7l/wheel/QVAC-Package 2026-05-04T01:39:12,980 copying build/lib/QVAC-Package/qvac_draw.py -> build/bdist.linux-armv7l/wheel/./QVAC-Package 2026-05-04T01:39:12,983 creating build/bdist.linux-armv7l/wheel/QVAC-Package/examples 2026-05-04T01:39:12,984 copying build/lib/QVAC-Package/examples/screen_capture.py -> build/bdist.linux-armv7l/wheel/./QVAC-Package/examples 2026-05-04T01:39:12,985 copying build/lib/QVAC-Package/examples/webcam_relay.py -> build/bdist.linux-armv7l/wheel/./QVAC-Package/examples 2026-05-04T01:39:12,987 copying build/lib/QVAC-Package/setup.py -> build/bdist.linux-armv7l/wheel/./QVAC-Package 2026-05-04T01:39:12,990 creating build/bdist.linux-armv7l/wheel/QVAC-Package/qvac 2026-05-04T01:39:12,991 copying build/lib/QVAC-Package/qvac/camera.py -> build/bdist.linux-armv7l/wheel/./QVAC-Package/qvac 2026-05-04T01:39:12,993 copying build/lib/QVAC-Package/qvac/__init__.py -> build/bdist.linux-armv7l/wheel/./QVAC-Package/qvac 2026-05-04T01:39:12,995 creating build/bdist.linux-armv7l/wheel/examples 2026-05-04T01:39:12,996 copying build/lib/examples/screen_capture.py -> build/bdist.linux-armv7l/wheel/./examples 2026-05-04T01:39:12,998 copying build/lib/examples/webcam_relay.py -> build/bdist.linux-armv7l/wheel/./examples 2026-05-04T01:39:13,000 creating build/bdist.linux-armv7l/wheel/qvac 2026-05-04T01:39:13,001 copying build/lib/qvac/installer.py -> build/bdist.linux-armv7l/wheel/./qvac 2026-05-04T01:39:13,004 creating build/bdist.linux-armv7l/wheel/qvac/bin 2026-05-04T01:39:13,005 copying build/lib/qvac/bin/QVAC-DirectShow.dll -> build/bdist.linux-armv7l/wheel/./qvac/bin 2026-05-04T01:39:13,008 copying build/lib/qvac/camera.py -> build/bdist.linux-armv7l/wheel/./qvac 2026-05-04T01:39:13,010 copying build/lib/qvac/__init__.py -> build/bdist.linux-armv7l/wheel/./qvac 2026-05-04T01:39:13,012 running install_egg_info 2026-05-04T01:39:13,017 Copying qvac.egg-info to build/bdist.linux-armv7l/wheel/./qvac-1.0.1-py3.11.egg-info 2026-05-04T01:39:13,028 running install_scripts 2026-05-04T01:39:13,040 creating build/bdist.linux-armv7l/wheel/qvac-1.0.1.dist-info/WHEEL 2026-05-04T01:39:13,042 creating '/tmp/pip-wheel-0bub2wn1/.tmp-siudoiuq/qvac-1.0.1-py3-none-any.whl' and adding 'build/bdist.linux-armv7l/wheel' to it 2026-05-04T01:39:13,045 adding 'QVAC-Package/qvac_draw.py' 2026-05-04T01:39:13,046 adding 'QVAC-Package/setup.py' 2026-05-04T01:39:13,048 adding 'QVAC-Package/examples/screen_capture.py' 2026-05-04T01:39:13,049 adding 'QVAC-Package/examples/webcam_relay.py' 2026-05-04T01:39:13,051 adding 'QVAC-Package/qvac/__init__.py' 2026-05-04T01:39:13,053 adding 'QVAC-Package/qvac/camera.py' 2026-05-04T01:39:13,054 adding 'examples/screen_capture.py' 2026-05-04T01:39:13,056 adding 'examples/webcam_relay.py' 2026-05-04T01:39:13,057 adding 'qvac/__init__.py' 2026-05-04T01:39:13,059 adding 'qvac/camera.py' 2026-05-04T01:39:13,060 adding 'qvac/installer.py' 2026-05-04T01:39:13,070 adding 'qvac/bin/QVAC-DirectShow.dll' 2026-05-04T01:39:13,073 adding 'qvac-1.0.1.dist-info/licenses/LICENSE' 2026-05-04T01:39:13,074 adding 'qvac-1.0.1.dist-info/METADATA' 2026-05-04T01:39:13,075 adding 'qvac-1.0.1.dist-info/WHEEL' 2026-05-04T01:39:13,076 adding 'qvac-1.0.1.dist-info/entry_points.txt' 2026-05-04T01:39:13,077 adding 'qvac-1.0.1.dist-info/top_level.txt' 2026-05-04T01:39:13,078 adding 'qvac-1.0.1.dist-info/RECORD' 2026-05-04T01:39:13,079 removing build/bdist.linux-armv7l/wheel 2026-05-04T01:39:13,185 Building wheel for qvac (pyproject.toml): finished with status 'done' 2026-05-04T01:39:13,191 Created wheel for qvac: filename=qvac-1.0.1-py3-none-any.whl size=36184 sha256=779ce4ceae796789e92a6a956a876e6d588ed2aeec7f845278c92fed53f6b7bd 2026-05-04T01:39:13,192 Stored in directory: /tmp/pip-ephem-wheel-cache-7oxqn7r7/wheels/85/af/f2/bfb70bf73d4091fc937df3707a9a835b1ad1cc79a8a054084b 2026-05-04T01:39:13,202 Successfully built qvac 2026-05-04T01:39:13,206 Removed build tracker: '/tmp/pip-build-tracker-8aasa0m5'