2023-09-08T14:44:06,454 Created temporary directory: /tmp/pip-build-tracker-b1l90js7
2023-09-08T14:44:06,455 Initialized build tracking at /tmp/pip-build-tracker-b1l90js7
2023-09-08T14:44:06,456 Created build tracker: /tmp/pip-build-tracker-b1l90js7
2023-09-08T14:44:06,456 Entered build tracker: /tmp/pip-build-tracker-b1l90js7
2023-09-08T14:44:06,457 Created temporary directory: /tmp/pip-wheel-mnzwa0_l
2023-09-08T14:44:06,461 Created temporary directory: /tmp/pip-ephem-wheel-cache-x_o62bda
2023-09-08T14:44:06,482 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-09-08T14:44:06,486 2 location(s) to search for versions of mzsudoku:
2023-09-08T14:44:06,486 * https://pypi.org/simple/mzsudoku/
2023-09-08T14:44:06,486 * https://www.piwheels.org/simple/mzsudoku/
2023-09-08T14:44:06,487 Fetching project page and analyzing links: https://pypi.org/simple/mzsudoku/
2023-09-08T14:44:06,488 Getting page https://pypi.org/simple/mzsudoku/
2023-09-08T14:44:06,489 Found index url https://pypi.org/simple/
2023-09-08T14:44:06,678 Fetched page https://pypi.org/simple/mzsudoku/ as application/vnd.pypi.simple.v1+json
2023-09-08T14:44:06,684   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/b7/29/8c296a47aeb8157b5ea538b01f853e807784028fcf5aa40a66ae9867ceaa/mzsudoku-0.8-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,687   Found link https://files.pythonhosted.org/packages/84/57/82dcac55b74474bbc9976c68cedcf56dc060275f1ad6153553d8de59b06b/mzsudoku-0.8.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8
2023-09-08T14:44:06,688   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/6b/a4/b4ee39353194c9f66b25730a8ac5eb4faaa655dec592b213d33a8870a500/mzsudoku-0.8.1-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,690   Found link https://files.pythonhosted.org/packages/bb/51/59c672e59902c0681c4faee37ae3f0ef5eb4ca8f51a8cf27f17b63924047/mzsudoku-0.8.1.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8.1
2023-09-08T14:44:06,693   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/82/3b/601535a3a9c39f892f417c1aee26f193607728d86b88f184d4e37b7257a6/mzsudoku-0.8.3-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,695   Found link https://files.pythonhosted.org/packages/a8/55/200147e15f28933aa938c760d58f2b348c6087132524b247c3ae1236617a/mzsudoku-0.8.3.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8.3
2023-09-08T14:44:06,697   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/ab/df/47de8da51d605dcadfe64314686fd62155397f6aa02fecb543d7aeff6e43/mzsudoku-0.8.4-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,699   Found link https://files.pythonhosted.org/packages/4a/0f/f793379fd2b7f295a548a74deb52574ad0ba39d5c4297369b28ed7037fc3/mzsudoku-0.8.4.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8.4
2023-09-08T14:44:06,702   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/a5/ac/bedf0f7d8e2a5e951e47d91a4fdf90c5bc1d15f293ed8b76e7429975b5ea/mzsudoku-0.8.5-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,704   Found link https://files.pythonhosted.org/packages/e7/62/f5ce0e10c92a9117192e117b71987149d6c76280a63bf888df1286b8f23d/mzsudoku-0.8.5.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8.5
2023-09-08T14:44:06,706   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/89/0e/49280a0a64f28824f91e50826aabf1c609e274dc6d798cf6f7140c509694/mzsudoku-0.8.6-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,708   Found link https://files.pythonhosted.org/packages/cd/e9/c235dc0ceba8c85178039473f87df94739bcff3c4230c86e95e22b56f237/mzsudoku-0.8.6.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8.6
2023-09-08T14:44:06,710   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/e4/42/2c8c7c8dc44e6fe1baa85c27016206a915d35ed762f03f3fb4415235c3a5/mzsudoku-0.8.7-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,712   Found link https://files.pythonhosted.org/packages/72/8e/e1c88d5f6e25025d7ef7d11bf69d15b570427afdc1d0d411d9aca6fc1cf0/mzsudoku-0.8.7.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8.7
2023-09-08T14:44:06,716   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/e9/93/2cbf9f90213808d7eb27273b9eaabf68bd8436e5944fc69d985d92a54315/mzsudoku-0.8.8-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,718   Found link https://files.pythonhosted.org/packages/63/37/2603d246c2266c8f814ba320ed4f72cf5def11de52d588e53b92be8d516f/mzsudoku-0.8.8.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8.8
2023-09-08T14:44:06,720   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/f2/c5/e4071f5cb02d7b64ee94aac93d9015208ff99f41a7b451d750f80ccd5cba/mzsudoku-0.8.9-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,722   Found link https://files.pythonhosted.org/packages/14/3f/d64e9d29106a720649ef0ae816001eb0cacb548cf3acd4d1150012af8d70/mzsudoku-0.8.9.zip (from https://pypi.org/simple/mzsudoku/), version: 0.8.9
2023-09-08T14:44:06,724   Skipping link: unsupported archive format: .egg: https://files.pythonhosted.org/packages/ed/38/5f192e6034eedd37cc97a1df601aafd4ee01c51e0d001fea2c842f508ffa/mzsudoku-1.0.0-py2.7.egg (from https://pypi.org/simple/mzsudoku/)
2023-09-08T14:44:06,726   Found link https://files.pythonhosted.org/packages/8f/ca/d12be3b8690d9fb36fa4ec0264e48fa350516afbd6fa4016b081da167cee/mzsudoku-1.0.0.zip (from https://pypi.org/simple/mzsudoku/), version: 1.0.0
2023-09-08T14:44:06,728 Fetching project page and analyzing links: https://www.piwheels.org/simple/mzsudoku/
2023-09-08T14:44:06,731 Getting page https://www.piwheels.org/simple/mzsudoku/
2023-09-08T14:44:06,734 Found index url https://www.piwheels.org/simple/
2023-09-08T14:44:07,015 Fetched page https://www.piwheels.org/simple/mzsudoku/ as text/html
2023-09-08T14:44:07,018   Skipping link: No binaries permitted for mzsudoku: https://www.piwheels.org/simple/mzsudoku/mzsudoku-0.8.4-py3-none-any.whl#sha256=9693b09caa19f7b015d15c41c3ff57a5fe962ad9b68dc85993308f5f2bda5910 (from https://www.piwheels.org/simple/mzsudoku/)
2023-09-08T14:44:07,019   Skipping link: No binaries permitted for mzsudoku: https://www.piwheels.org/simple/mzsudoku/mzsudoku-0.8.5-py3-none-any.whl#sha256=c60283f1dd5ed718ea5ce9f42e99e15ef9110b9f830a7fc9de065c3bbf0cf13d (from https://www.piwheels.org/simple/mzsudoku/)
2023-09-08T14:44:07,020   Skipping link: No binaries permitted for mzsudoku: https://www.piwheels.org/simple/mzsudoku/mzsudoku-0.8.6-py3-none-any.whl#sha256=6657acb4068e7be11e65472ffc150096a2fce9877d2e8f88a52249eb393acef7 (from https://www.piwheels.org/simple/mzsudoku/)
2023-09-08T14:44:07,020   Skipping link: No binaries permitted for mzsudoku: https://www.piwheels.org/simple/mzsudoku/mzsudoku-0.8.7-py3-none-any.whl#sha256=0311f4b18a0ddf08731bbb5069297a2d7bdd5239f8fc9fb68cff7b836b631c1d (from https://www.piwheels.org/simple/mzsudoku/)
2023-09-08T14:44:07,021   Skipping link: No binaries permitted for mzsudoku: https://www.piwheels.org/simple/mzsudoku/mzsudoku-0.8.8-py3-none-any.whl#sha256=ac86a4f652f2ef999e92a31bfcfd7c0121e252a9b0f6f4fb364e52ccec4a96ed (from https://www.piwheels.org/simple/mzsudoku/)
2023-09-08T14:44:07,021   Skipping link: No binaries permitted for mzsudoku: https://www.piwheels.org/simple/mzsudoku/mzsudoku-0.8.9-py3-none-any.whl#sha256=08aef39669ab9e0f0add6c1d2a6b8641f3ccc003dc041b1756cdb5d666202351 (from https://www.piwheels.org/simple/mzsudoku/)
2023-09-08T14:44:07,022   Skipping link: No binaries permitted for mzsudoku: https://www.piwheels.org/simple/mzsudoku/mzsudoku-1.0.0-py3-none-any.whl#sha256=402993a2a47d0ba7f5480f0ca58de01358860b916010291e910ec51d26d30e04 (from https://www.piwheels.org/simple/mzsudoku/)
2023-09-08T14:44:07,022 Skipping link: not a file: https://www.piwheels.org/simple/mzsudoku/
2023-09-08T14:44:07,023 Skipping link: not a file: https://pypi.org/simple/mzsudoku/
2023-09-08T14:44:07,043 Given no hashes to check 1 links for project 'mzsudoku': discarding no candidates
2023-09-08T14:44:07,061 Collecting mzsudoku==0.8.1
2023-09-08T14:44:07,063   Created temporary directory: /tmp/pip-unpack-0n00etud
2023-09-08T14:44:07,275   Downloading mzsudoku-0.8.1.zip (5.4 kB)
2023-09-08T14:44:07,293   Added mzsudoku==0.8.1 from https://files.pythonhosted.org/packages/bb/51/59c672e59902c0681c4faee37ae3f0ef5eb4ca8f51a8cf27f17b63924047/mzsudoku-0.8.1.zip to build tracker '/tmp/pip-build-tracker-b1l90js7'
2023-09-08T14:44:07,295   Running setup.py (path:/tmp/pip-wheel-mnzwa0_l/mzsudoku_a2b449a7e76d45aca567b6c2ea10ca90/setup.py) egg_info for package mzsudoku
2023-09-08T14:44:07,296   Created temporary directory: /tmp/pip-pip-egg-info-8vmfeynx
2023-09-08T14:44:07,296   Preparing metadata (setup.py): started
2023-09-08T14:44:07,297   Running command python setup.py egg_info
2023-09-08T14:44:07,724   Traceback (most recent call last):
2023-09-08T14:44:07,724     File "<string>", line 2, in <module>
2023-09-08T14:44:07,725     File "<pip-setuptools-caller>", line 34, in <module>
2023-09-08T14:44:07,726     File "/tmp/pip-wheel-mnzwa0_l/mzsudoku_a2b449a7e76d45aca567b6c2ea10ca90/setup.py", line 3, in <module>
2023-09-08T14:44:07,727       from ez_setup import use_setuptools
2023-09-08T14:44:07,728   ModuleNotFoundError: No module named 'ez_setup'
2023-09-08T14:44:07,796   ERROR: [present-rich] python setup.py egg_info exited with 1
2023-09-08T14:44:07,809   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2023-09-08T14:44:07,809   exec(compile('"'"''"'"''"'"'
2023-09-08T14:44:07,809   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2023-09-08T14:44:07,809   #
2023-09-08T14:44:07,809   # - It imports setuptools before invoking setup.py, to enable projects that directly
2023-09-08T14:44:07,809   #   import from `distutils.core` to work with newer packaging standards.
2023-09-08T14:44:07,809   # - It provides a clear error message when setuptools is not installed.
2023-09-08T14:44:07,809   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2023-09-08T14:44:07,809   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2023-09-08T14:44:07,809   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2023-09-08T14:44:07,809   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2023-09-08T14:44:07,809   import os, sys, tokenize
2023-09-08T14:44:07,809   
2023-09-08T14:44:07,809   try:
2023-09-08T14:44:07,809       import setuptools
2023-09-08T14:44:07,809   except ImportError as error:
2023-09-08T14:44:07,809       print(
2023-09-08T14:44:07,809           "ERROR: Can not execute `setup.py` since setuptools is not available in "
2023-09-08T14:44:07,809           "the build environment.",
2023-09-08T14:44:07,809           file=sys.stderr,
2023-09-08T14:44:07,809       )
2023-09-08T14:44:07,809       sys.exit(1)
2023-09-08T14:44:07,809   
2023-09-08T14:44:07,809   __file__ = %r
2023-09-08T14:44:07,809   sys.argv[0] = __file__
2023-09-08T14:44:07,809   
2023-09-08T14:44:07,809   if os.path.exists(__file__):
2023-09-08T14:44:07,809       filename = __file__
2023-09-08T14:44:07,809       with tokenize.open(__file__) as f:
2023-09-08T14:44:07,809           setup_py_code = f.read()
2023-09-08T14:44:07,809   else:
2023-09-08T14:44:07,809       filename = "<auto-generated setuptools caller>"
2023-09-08T14:44:07,809       setup_py_code = "from setuptools import setup; setup()"
2023-09-08T14:44:07,809   
2023-09-08T14:44:07,809   exec(compile(setup_py_code, filename, "exec"))
2023-09-08T14:44:07,809   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-mnzwa0_l/mzsudoku_a2b449a7e76d45aca567b6c2ea10ca90/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-8vmfeynx[/]
2023-09-08T14:44:07,809   [bold magenta]cwd[/]: /tmp/pip-wheel-mnzwa0_l/mzsudoku_a2b449a7e76d45aca567b6c2ea10ca90/
2023-09-08T14:44:07,810   Preparing metadata (setup.py): finished with status 'error'
2023-09-08T14:44:07,811 ERROR: [present-rich] metadata generation failed
2023-09-08T14:44:07,817 Exception information:
2023-09-08T14:44:07,817 Traceback (most recent call last):
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 64, in generate_metadata
2023-09-08T14:44:07,817     call_subprocess(
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2023-09-08T14:44:07,817     raise error
2023-09-08T14:44:07,817 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2023-09-08T14:44:07,817 
2023-09-08T14:44:07,817 The above exception was the direct cause of the following exception:
2023-09-08T14:44:07,817 
2023-09-08T14:44:07,817 Traceback (most recent call last):
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/base_command.py", line 180, in exc_logging_wrapper
2023-09-08T14:44:07,817     status = run_func(*args)
2023-09-08T14:44:07,817              ^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/cli/req_command.py", line 248, in wrapper
2023-09-08T14:44:07,817     return func(self, options, args)
2023-09-08T14:44:07,817            ^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2023-09-08T14:44:07,817     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2023-09-08T14:44:07,817                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2023-09-08T14:44:07,817     result = self._result = resolver.resolve(
2023-09-08T14:44:07,817                             ^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 546, in resolve
2023-09-08T14:44:07,817     state = resolution.resolve(requirements, max_rounds=max_rounds)
2023-09-08T14:44:07,817             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 397, in resolve
2023-09-08T14:44:07,817     self._add_to_criteria(self.state.criteria, r, parent=None)
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria
2023-09-08T14:44:07,817     if not criterion.candidates:
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_vendor/resolvelib/structs.py", line 156, in __bool__
2023-09-08T14:44:07,817     return bool(self._sequence)
2023-09-08T14:44:07,817            ^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2023-09-08T14:44:07,817     return any(self)
2023-09-08T14:44:07,817            ^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2023-09-08T14:44:07,817     return (c for c in iterator if id(c) not in self._incompatible_ids)
2023-09-08T14:44:07,817            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2023-09-08T14:44:07,817     candidate = func()
2023-09-08T14:44:07,817                 ^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link
2023-09-08T14:44:07,817     self._link_candidate_cache[link] = LinkCandidate(
2023-09-08T14:44:07,817                                        ^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 293, in __init__
2023-09-08T14:44:07,817     super().__init__(
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 156, in __init__
2023-09-08T14:44:07,817     self.dist = self._prepare()
2023-09-08T14:44:07,817                 ^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 225, in _prepare
2023-09-08T14:44:07,817     dist = self._prepare_distribution()
2023-09-08T14:44:07,817            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 304, in _prepare_distribution
2023-09-08T14:44:07,817     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2023-09-08T14:44:07,817            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 538, in prepare_linked_requirement
2023-09-08T14:44:07,817     return self._prepare_linked_requirement(req, parallel_builds)
2023-09-08T14:44:07,817            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 653, in _prepare_linked_requirement
2023-09-08T14:44:07,817     dist = _get_prepared_distribution(
2023-09-08T14:44:07,817            ^^^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution
2023-09-08T14:44:07,817     abstract_dist.prepare_distribution_metadata(
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/distributions/sdist.py", line 61, in prepare_distribution_metadata
2023-09-08T14:44:07,817     self.req.prepare_metadata()
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/req/req_install.py", line 568, in prepare_metadata
2023-09-08T14:44:07,817     self.metadata_directory = generate_metadata_legacy(
2023-09-08T14:44:07,817                               ^^^^^^^^^^^^^^^^^^^^^^^^^
2023-09-08T14:44:07,817   File "/usr/local/lib/python3.11/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 71, in generate_metadata
2023-09-08T14:44:07,817     raise MetadataGenerationFailed(package_details=details) from error
2023-09-08T14:44:07,817 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2023-09-08T14:44:07,829 Removed mzsudoku==0.8.1 from https://files.pythonhosted.org/packages/bb/51/59c672e59902c0681c4faee37ae3f0ef5eb4ca8f51a8cf27f17b63924047/mzsudoku-0.8.1.zip from build tracker '/tmp/pip-build-tracker-b1l90js7'
2023-09-08T14:44:07,831 Removed build tracker: '/tmp/pip-build-tracker-b1l90js7'