2025-09-09T14:17:08,501 Created temporary directory: /tmp/pip-build-tracker-dhoktno_
2025-09-09T14:17:08,501 Initialized build tracking at /tmp/pip-build-tracker-dhoktno_
2025-09-09T14:17:08,501 Created build tracker: /tmp/pip-build-tracker-dhoktno_
2025-09-09T14:17:08,501 Entered build tracker: /tmp/pip-build-tracker-dhoktno_
2025-09-09T14:17:08,502 Created temporary directory: /tmp/pip-wheel-8vt8hip_
2025-09-09T14:17:08,505 Created temporary directory: /tmp/pip-ephem-wheel-cache-9h2mhiuo
2025-09-09T14:17:08,562 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2025-09-09T14:17:08,564 2 location(s) to search for versions of cpalgo:
2025-09-09T14:17:08,564 * https://pypi.org/simple/cpalgo/
2025-09-09T14:17:08,564 * https://www.piwheels.org/simple/cpalgo/
2025-09-09T14:17:08,565 Fetching project page and analyzing links: https://pypi.org/simple/cpalgo/
2025-09-09T14:17:08,565 Getting page https://pypi.org/simple/cpalgo/
2025-09-09T14:17:08,566 Found index url https://pypi.org/simple/
2025-09-09T14:17:08,636 Fetched page https://pypi.org/simple/cpalgo/ as application/vnd.pypi.simple.v1+json
2025-09-09T14:17:08,639   Found link https://files.pythonhosted.org/packages/ae/90/83fabbc21e1c3f6a906a06cbbcefc78c9842656e59afee994626c7f8df80/cpalgo-0.0.1.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.0.1
2025-09-09T14:17:08,640   Found link https://files.pythonhosted.org/packages/1b/f2/af74fb7be6d3807e2693379fcc0a6b503423e71cb61d5b16655f714f0413/cpalgo-0.0.2.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.0.2
2025-09-09T14:17:08,640   Found link https://files.pythonhosted.org/packages/a3/66/b1ef0d3239b9f59abb09eea92560d1dc56ee6c988f81c31bf369103ea605/cpalgo-0.0.3.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.0.3
2025-09-09T14:17:08,640   Found link https://files.pythonhosted.org/packages/8d/84/c145facfc72af639d400e5dcc685f8af85e7f3600dfe2ebc3b6da0991c7e/cpalgo-0.1.0.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.0
2025-09-09T14:17:08,640   Found link https://files.pythonhosted.org/packages/fb/4d/b7b92542a9a8e26e4f36a274f6662a2fd0a2a1f86c11ef7ad8f2df0e3886/cpalgo-0.1.1.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.1
2025-09-09T14:17:08,641   Found link https://files.pythonhosted.org/packages/48/1b/e7825f6747b5ef2237d20ffbadd6f7dfa753483e1a07ff86a03d72c03b85/cpalgo-0.1.2.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.2
2025-09-09T14:17:08,641   Found link https://files.pythonhosted.org/packages/6d/74/817a55a355fd83a18bf234123b6c0ecadf18e3c756487bf99264ad18aea3/cpalgo-0.1.3.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.3
2025-09-09T14:17:08,641   Found link https://files.pythonhosted.org/packages/1e/a2/8098aa54458d63266610c6fc64376962aa24213e7d4e048fb24b5e7549db/cpalgo-0.1.4.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.4
2025-09-09T14:17:08,641   Found link https://files.pythonhosted.org/packages/9d/a4/2d93cd15eccae7a06ca07b0b520582a8c31f1457428c2a32e5ac06bf0c0b/cpalgo-0.1.5.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.5
2025-09-09T14:17:08,641   Found link https://files.pythonhosted.org/packages/23/bd/cf651e06a3b6678085fd3e9c65c1d6295f901fe2fe683294ba9bfc751fb3/cpalgo-0.1.6.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.6
2025-09-09T14:17:08,642   Found link https://files.pythonhosted.org/packages/2b/51/21a5b21f39f6ca2b166d9b6732bd39116edcb4e71b85b2a4e385033b8b0c/cpalgo-0.1.7.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.7
2025-09-09T14:17:08,642   Found link https://files.pythonhosted.org/packages/ef/7d/f3819c1584c6882b324804cc645f821539e1fd4ce5a9691299110fe5af98/cpalgo-0.1.8.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.8
2025-09-09T14:17:08,642   Found link https://files.pythonhosted.org/packages/32/84/a2ca61f9002927298c6ee23fd0b14e304e1536a9393918cd9a899c8808e0/cpalgo-0.1.9.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.9
2025-09-09T14:17:08,642   Found link https://files.pythonhosted.org/packages/25/33/e69f0cb5755a14adfe6eb1150f886c209fe290910df849b81d3464a0445a/cpalgo-0.1.91.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.91
2025-09-09T14:17:08,642   Found link https://files.pythonhosted.org/packages/50/de/4e614fad2dbc9f2912346f768c55e015c752248af5006a00603aa5a789d3/cpalgo-0.1.92.tar.gz (from https://pypi.org/simple/cpalgo/), version: 0.1.92
2025-09-09T14:17:08,643   Found link https://files.pythonhosted.org/packages/92/df/44ea564d0a3ddcdfb84a6fd253f288f34999c5c3d174a3758358f77bb914/cpalgo-1.1.0.tar.gz (from https://pypi.org/simple/cpalgo/), version: 1.1.0
2025-09-09T14:17:08,643   Found link https://files.pythonhosted.org/packages/d0/b3/9ccbece7d374558363370c65e62d39bdebbe27a8f2daedeeb6062b812f23/cpalgo-1.1.1.tar.gz (from https://pypi.org/simple/cpalgo/), version: 1.1.1
2025-09-09T14:17:08,643   Found link https://files.pythonhosted.org/packages/22/66/499f8505110ba54c1104703380823528146521df77c3e548ec591d694cc9/cpalgo-1.1.2.tar.gz (from https://pypi.org/simple/cpalgo/), version: 1.1.2
2025-09-09T14:17:08,643   Skipping link: No binaries permitted for cpalgo: https://files.pythonhosted.org/packages/5c/c8/2413b342e5b25bb68de611c5f461309963d8c205ae267bb353db4b9835a8/cpalgo-1.1.3-py3-none-any.whl (from https://pypi.org/simple/cpalgo/)
2025-09-09T14:17:08,643   Found link https://files.pythonhosted.org/packages/55/d5/075a6d5c0733fa7835f7db54f5eb7644270a0516069c03f0410e853f98c8/cpalgo-1.1.3.tar.gz (from https://pypi.org/simple/cpalgo/), version: 1.1.3
2025-09-09T14:17:08,643   Skipping link: No binaries permitted for cpalgo: https://files.pythonhosted.org/packages/7e/67/51559fa8664e687601069993a254b10fb3350d2da5550947130e81d49c4a/cpalgo-1.1.4-py3-none-any.whl (from https://pypi.org/simple/cpalgo/)
2025-09-09T14:17:08,644   Found link https://files.pythonhosted.org/packages/d3/f3/3f61d090824b90d394dd1420a7736b3ac04e8e9e95736fe09560ff226057/cpalgo-1.1.4.tar.gz (from https://pypi.org/simple/cpalgo/), version: 1.1.4
2025-09-09T14:17:08,644 Fetching project page and analyzing links: https://www.piwheels.org/simple/cpalgo/
2025-09-09T14:17:08,644 Getting page https://www.piwheels.org/simple/cpalgo/
2025-09-09T14:17:08,645 Found index url https://www.piwheels.org/simple/
2025-09-09T14:17:08,734 Fetched page https://www.piwheels.org/simple/cpalgo/ as text/html
2025-09-09T14:17:08,739   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-1.1.4-py3-none-any.whl#sha256=a2273ab9260b48173bc44c13538eb6dfd65a145e89cee232c8945566552e1984 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,739   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-1.1.3-py3-none-any.whl#sha256=3dde7a7a1319f2c87ce7208a98efaab0340f3b238a8a11d47329e083f2a6e0cb (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,740   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-1.1.2-py3-none-any.whl#sha256=16875640c422e2d64f9d6c3a2db6977f0285b88fd94366db59b07f2fdd57c498 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,740   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-1.1.1-py3-none-any.whl#sha256=940b8bee5f007c8182fbbd2ef323d8151deefe4c8033e6a5b65871c180c9013d (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,740   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-1.1.0-py3-none-any.whl#sha256=76b94f97d6d66330ab9840b0cfa0374857543494119331d92165a7f971126cc5 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,740   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.92-py3-none-any.whl#sha256=b01b75b17b7894bcca7a6cb7281e9ec828c84a2d87b3433d51e036ce3ef519b7 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,740   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.91-py3-none-any.whl#sha256=5c3a0c2804fad30a2ffa0f817e9ca566c0999d812b9dc033da4dd9abf3c25620 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,740   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.9-py3-none-any.whl#sha256=aa24f45eb91a45755a2a038ac0ef249c3214d09daa5386bf8e0c8b65d56eb924 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,740   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.8-py3-none-any.whl#sha256=9859a9e7d2ef8b35c764f4b6426e6faa7c914282cf08a83f6cf87c4f89be7613 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,741   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.7-py3-none-any.whl#sha256=26d3eb9128819ac7a903d8ffa3f6a474f8dea360983a65d585b047eed04872e6 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,741   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.6-py3-none-any.whl#sha256=e56eb358e8ebc8bcbd14873c41fb130a6e1357b62e682a2c1ff6f84b58cc8945 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,741   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.5-py3-none-any.whl#sha256=22ee9880fc73026cb3a21dbc3b0645901c4e911992c4de4f445b1a4615126d6c (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,741   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.4-py3-none-any.whl#sha256=db5bd2c3dde8cb670f4755fa736665e044161ca121db028c83465517bde85600 (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,741   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.3-py3-none-any.whl#sha256=834c4e6e61cc46b9b480ac64957f56264f770783370135f59f5030edea0c241f (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,741   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.1.2-py3-none-any.whl#sha256=71b22658ac68a8d778f0cbb63b222554acf1a13b5780de0fc7ac1fe5095dc53b (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,741   Skipping link: No binaries permitted for cpalgo: https://archive1.piwheels.org/simple/cpalgo/cpalgo-0.0.1-py3-none-any.whl#sha256=b2bd96e7ae70a39de25fc876e8adc1bfa0e0651ead0a712fb3d27785dfc71b3b (from https://www.piwheels.org/simple/cpalgo/)
2025-09-09T14:17:08,742 Skipping link: not a file: https://www.piwheels.org/simple/cpalgo/
2025-09-09T14:17:08,742 Skipping link: not a file: https://pypi.org/simple/cpalgo/
2025-09-09T14:17:08,769 Given no hashes to check 1 links for project 'cpalgo': discarding no candidates
2025-09-09T14:17:08,770 Collecting cpalgo==0.0.3
2025-09-09T14:17:08,771   Created temporary directory: /tmp/pip-unpack-qv0tu5b4
2025-09-09T14:17:08,908   Downloading cpalgo-0.0.3.tar.gz (17 kB)
2025-09-09T14:17:08,947   Added cpalgo==0.0.3 from https://files.pythonhosted.org/packages/a3/66/b1ef0d3239b9f59abb09eea92560d1dc56ee6c988f81c31bf369103ea605/cpalgo-0.0.3.tar.gz to build tracker '/tmp/pip-build-tracker-dhoktno_'
2025-09-09T14:17:08,948   Running setup.py (path:/tmp/pip-wheel-8vt8hip_/cpalgo_f454b43f81594d8bafdad6873c950f78/setup.py) egg_info for package cpalgo
2025-09-09T14:17:08,949   Created temporary directory: /tmp/pip-pip-egg-info-91q3otkj
2025-09-09T14:17:08,949   Preparing metadata (setup.py): started
2025-09-09T14:17:08,950   Running command python setup.py egg_info
2025-09-09T14:17:09,471   Traceback (most recent call last):
2025-09-09T14:17:09,473     File "<string>", line 2, in <module>
2025-09-09T14:17:09,473       exec(compile('''
2025-09-09T14:17:09,473       ~~~~^^^^^^^^^^^^
2025-09-09T14:17:09,473       # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-09T14:17:09,474       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,474       ...<32 lines>...
2025-09-09T14:17:09,474       exec(compile(setup_py_code, filename, "exec"))
2025-09-09T14:17:09,474       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,474       ''' % ('/tmp/pip-wheel-8vt8hip_/cpalgo_f454b43f81594d8bafdad6873c950f78/setup.py',), "<pip-setuptools-caller>", "exec"))
2025-09-09T14:17:09,474       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,474     File "<pip-setuptools-caller>", line 35, in <module>
2025-09-09T14:17:09,474     File "/tmp/pip-wheel-8vt8hip_/cpalgo_f454b43f81594d8bafdad6873c950f78/setup.py", line 22, in <module>
2025-09-09T14:17:09,475       long_description=read_file('README.md'),
2025-09-09T14:17:09,475                        ~~~~~~~~~^^^^^^^^^^^^^
2025-09-09T14:17:09,475     File "/tmp/pip-wheel-8vt8hip_/cpalgo_f454b43f81594d8bafdad6873c950f78/setup.py", line 5, in read_file
2025-09-09T14:17:09,475       with open(os.path.join(os.path.dirname(__file__), filename)) as file:
2025-09-09T14:17:09,475            ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,475   FileNotFoundError: [Errno 2] No such file or directory: '/tmp/pip-wheel-8vt8hip_/cpalgo_f454b43f81594d8bafdad6873c950f78/README.md'
2025-09-09T14:17:09,561   ERROR: python setup.py egg_info exited with 1
2025-09-09T14:17:09,573   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2025-09-09T14:17:09,573   exec(compile('"'"''"'"''"'"'
2025-09-09T14:17:09,573   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-09T14:17:09,573   #
2025-09-09T14:17:09,573   # - It imports setuptools before invoking setup.py, to enable projects that directly
2025-09-09T14:17:09,573   #   import from `distutils.core` to work with newer packaging standards.
2025-09-09T14:17:09,573   # - It provides a clear error message when setuptools is not installed.
2025-09-09T14:17:09,573   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2025-09-09T14:17:09,573   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2025-09-09T14:17:09,573   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2025-09-09T14:17:09,573   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2025-09-09T14:17:09,573   import os, sys, tokenize, traceback
2025-09-09T14:17:09,573   
2025-09-09T14:17:09,573   try:
2025-09-09T14:17:09,573       import setuptools
2025-09-09T14:17:09,573   except ImportError:
2025-09-09T14:17:09,573       print(
2025-09-09T14:17:09,573           "ERROR: Can not execute `setup.py` since setuptools failed to import in "
2025-09-09T14:17:09,573           "the build environment with exception:",
2025-09-09T14:17:09,573           file=sys.stderr,
2025-09-09T14:17:09,573       )
2025-09-09T14:17:09,573       traceback.print_exc()
2025-09-09T14:17:09,573       sys.exit(1)
2025-09-09T14:17:09,573   
2025-09-09T14:17:09,573   __file__ = %r
2025-09-09T14:17:09,573   sys.argv[0] = __file__
2025-09-09T14:17:09,573   
2025-09-09T14:17:09,573   if os.path.exists(__file__):
2025-09-09T14:17:09,573       filename = __file__
2025-09-09T14:17:09,573       with tokenize.open(__file__) as f:
2025-09-09T14:17:09,573           setup_py_code = f.read()
2025-09-09T14:17:09,573   else:
2025-09-09T14:17:09,573       filename = "<auto-generated setuptools caller>"
2025-09-09T14:17:09,573       setup_py_code = "from setuptools import setup; setup()"
2025-09-09T14:17:09,573   
2025-09-09T14:17:09,573   exec(compile(setup_py_code, filename, "exec"))
2025-09-09T14:17:09,573   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-8vt8hip_/cpalgo_f454b43f81594d8bafdad6873c950f78/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-91q3otkj[/]
2025-09-09T14:17:09,573   [bold magenta]cwd[/]: /tmp/pip-wheel-8vt8hip_/cpalgo_f454b43f81594d8bafdad6873c950f78/
2025-09-09T14:17:09,573   Preparing metadata (setup.py): finished with status 'error'
2025-09-09T14:17:09,574 ERROR: metadata generation failed
2025-09-09T14:17:09,579 Exception information:
2025-09-09T14:17:09,579 Traceback (most recent call last):
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata
2025-09-09T14:17:09,579     call_subprocess(
2025-09-09T14:17:09,579     ~~~~~~~~~~~~~~~^
2025-09-09T14:17:09,579         args,
2025-09-09T14:17:09,579         ^^^^^
2025-09-09T14:17:09,579     ...<2 lines>...
2025-09-09T14:17:09,579         spinner=spinner,
2025-09-09T14:17:09,579         ^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579     )
2025-09-09T14:17:09,579     ^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess
2025-09-09T14:17:09,579     raise error
2025-09-09T14:17:09,579 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2025-09-09T14:17:09,579 
2025-09-09T14:17:09,579 The above exception was the direct cause of the following exception:
2025-09-09T14:17:09,579 
2025-09-09T14:17:09,579 Traceback (most recent call last):
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper
2025-09-09T14:17:09,579     status = _inner_run()
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run
2025-09-09T14:17:09,579     return self.run(options, args)
2025-09-09T14:17:09,579            ~~~~~~~~^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper
2025-09-09T14:17:09,579     return func(self, options, args)
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2025-09-09T14:17:09,579     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve
2025-09-09T14:17:09,579     result = self._result = resolver.resolve(
2025-09-09T14:17:09,579                             ~~~~~~~~~~~~~~~~^
2025-09-09T14:17:09,579         collected.requirements, max_rounds=limit_how_complex_resolution_can_be
2025-09-09T14:17:09,579         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579     )
2025-09-09T14:17:09,579     ^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve
2025-09-09T14:17:09,579     state = resolution.resolve(requirements, max_rounds=max_rounds)
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve
2025-09-09T14:17:09,579     self._add_to_criteria(self.state.criteria, r, parent=None)
2025-09-09T14:17:09,579     ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria
2025-09-09T14:17:09,579     if not criterion.candidates:
2025-09-09T14:17:09,579            ^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__
2025-09-09T14:17:09,579     return bool(self._sequence)
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__
2025-09-09T14:17:09,579     self._bool = any(self)
2025-09-09T14:17:09,579                  ~~~^^^^^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in <genexpr>
2025-09-09T14:17:09,579     return (c for c in iterator if id(c) not in self._incompatible_ids)
2025-09-09T14:17:09,579                        ^^^^^^^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built
2025-09-09T14:17:09,579     candidate = func()
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link
2025-09-09T14:17:09,579     base: Optional[BaseCandidate] = self._make_base_candidate_from_link(
2025-09-09T14:17:09,579                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-09T14:17:09,579         link, template, name, version
2025-09-09T14:17:09,579         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579     )
2025-09-09T14:17:09,579     ^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link
2025-09-09T14:17:09,579     self._link_candidate_cache[link] = LinkCandidate(
2025-09-09T14:17:09,579                                        ~~~~~~~~~~~~~^
2025-09-09T14:17:09,579         link,
2025-09-09T14:17:09,579         ^^^^^
2025-09-09T14:17:09,579     ...<3 lines>...
2025-09-09T14:17:09,579         version=version,
2025-09-09T14:17:09,579         ^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579     )
2025-09-09T14:17:09,579     ^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__
2025-09-09T14:17:09,579     super().__init__(
2025-09-09T14:17:09,579     ~~~~~~~~~~~~~~~~^
2025-09-09T14:17:09,579         link=link,
2025-09-09T14:17:09,579         ^^^^^^^^^^
2025-09-09T14:17:09,579     ...<4 lines>...
2025-09-09T14:17:09,579         version=version,
2025-09-09T14:17:09,579         ^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579     )
2025-09-09T14:17:09,579     ^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__
2025-09-09T14:17:09,579     self.dist = self._prepare()
2025-09-09T14:17:09,579                 ~~~~~~~~~~~~~^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare
2025-09-09T14:17:09,579     dist = self._prepare_distribution()
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution
2025-09-09T14:17:09,579     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2025-09-09T14:17:09,579            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement
2025-09-09T14:17:09,579     return self._prepare_linked_requirement(req, parallel_builds)
2025-09-09T14:17:09,579            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement
2025-09-09T14:17:09,579     dist = _get_prepared_distribution(
2025-09-09T14:17:09,579         req,
2025-09-09T14:17:09,579     ...<3 lines>...
2025-09-09T14:17:09,579         self.check_build_deps,
2025-09-09T14:17:09,579     )
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution
2025-09-09T14:17:09,579     abstract_dist.prepare_distribution_metadata(
2025-09-09T14:17:09,579     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-09T14:17:09,579         finder, build_isolation, check_build_deps
2025-09-09T14:17:09,579         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579     )
2025-09-09T14:17:09,579     ^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata
2025-09-09T14:17:09,579     self.req.prepare_metadata()
2025-09-09T14:17:09,579     ~~~~~~~~~~~~~~~~~~~~~~~~~^^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata
2025-09-09T14:17:09,579     self.metadata_directory = generate_metadata_legacy(
2025-09-09T14:17:09,579                               ~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-09T14:17:09,579         build_env=self.build_env,
2025-09-09T14:17:09,579         ^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579     ...<3 lines>...
2025-09-09T14:17:09,579         details=details,
2025-09-09T14:17:09,579         ^^^^^^^^^^^^^^^^
2025-09-09T14:17:09,579     )
2025-09-09T14:17:09,579     ^
2025-09-09T14:17:09,579   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata
2025-09-09T14:17:09,579     raise MetadataGenerationFailed(package_details=details) from error
2025-09-09T14:17:09,579 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2025-09-09T14:17:09,603 Removed cpalgo==0.0.3 from https://files.pythonhosted.org/packages/a3/66/b1ef0d3239b9f59abb09eea92560d1dc56ee6c988f81c31bf369103ea605/cpalgo-0.0.3.tar.gz from build tracker '/tmp/pip-build-tracker-dhoktno_'
2025-09-09T14:17:09,603 Removed build tracker: '/tmp/pip-build-tracker-dhoktno_'