2025-09-07T20:50:16,312 Created temporary directory: /tmp/pip-build-tracker-f4z0hgrt
2025-09-07T20:50:16,313 Initialized build tracking at /tmp/pip-build-tracker-f4z0hgrt
2025-09-07T20:50:16,313 Created build tracker: /tmp/pip-build-tracker-f4z0hgrt
2025-09-07T20:50:16,313 Entered build tracker: /tmp/pip-build-tracker-f4z0hgrt
2025-09-07T20:50:16,313 Created temporary directory: /tmp/pip-wheel-f4kqhezb
2025-09-07T20:50:16,316 Created temporary directory: /tmp/pip-ephem-wheel-cache-vns7k__o
2025-09-07T20:50:16,375 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2025-09-07T20:50:16,377 2 location(s) to search for versions of mailer:
2025-09-07T20:50:16,377 * https://pypi.org/simple/mailer/
2025-09-07T20:50:16,377 * https://www.piwheels.org/simple/mailer/
2025-09-07T20:50:16,377 Fetching project page and analyzing links: https://pypi.org/simple/mailer/
2025-09-07T20:50:16,378 Getting page https://pypi.org/simple/mailer/
2025-09-07T20:50:16,379 Found index url https://pypi.org/simple/
2025-09-07T20:50:16,554 Fetched page https://pypi.org/simple/mailer/ as application/vnd.pypi.simple.v1+json
2025-09-07T20:50:16,559   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/b1/de/863d238c6f3510bfc824bf823e93a93daeb577acbadc07760575fe4bbec2/mailer-0.2.win32.exe (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,560   Found link https://files.pythonhosted.org/packages/1a/e0/e4e1d1bca60fcf7ab73abc67fe4bdb8237024ef8f4a5ccf075fb9b7f3a54/mailer-0.2.zip (from https://pypi.org/simple/mailer/), version: 0.2
2025-09-07T20:50:16,560   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/dd/4e/3a792aded557e24c69e416eb601321d9db3b668dc9f635388a53fedf4879/mailer-0.3.win32.exe (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,561   Found link https://files.pythonhosted.org/packages/8c/c8/63529829e1ba9c83f8fdc54eabd011de0f7ab361e84e9107e37c5cdd1c7f/mailer-0.3.zip (from https://pypi.org/simple/mailer/), version: 0.3
2025-09-07T20:50:16,561   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/32/06/8dbd9748fd7c7c314e043911965b8238c4bebdd1817a25bb1cf72071ed86/mailer-0.4.win32.exe (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,562   Found link https://files.pythonhosted.org/packages/21/d4/840a1379404e56f8df8f4b6ca7efd97e0b09eb0b10ac1b88a6ae051c7b52/mailer-0.4.zip (from https://pypi.org/simple/mailer/), version: 0.4
2025-09-07T20:50:16,562   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/2d/3e/9cc17924f7f949dc43c25ead270f8f890b2663aeb075db3749b5e3a3b758/mailer-0.5.win32.exe (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,562   Found link https://files.pythonhosted.org/packages/32/c6/3612ba5581c46a5bb9e429edda3e2cca401be210d57689734912e4263167/mailer-0.5.zip (from https://pypi.org/simple/mailer/), version: 0.5
2025-09-07T20:50:16,563   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/c9/75/71175c680dddb6f65c6008a212c84e5372d14c688e7ea80485248f425e91/mailer-0.6.win32.exe (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,563   Found link https://files.pythonhosted.org/packages/37/9c/5c1975579545671b1e256616cb5c28db3663ed594148658d7f747795b6d2/mailer-0.6.zip (from https://pypi.org/simple/mailer/), version: 0.6
2025-09-07T20:50:16,563   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/9a/b5/0d35acbcb4f0dae03f6e965d44709392e1e0cbd85cf39937ddd52edeccea/mailer-0.7.win32.exe (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,564   Found link https://files.pythonhosted.org/packages/fe/71/f72efcf5c1dfa812971bd6a590244f462dfa5bb026c6bdc97c7208461ec8/mailer-0.7.zip (from https://pypi.org/simple/mailer/), version: 0.7
2025-09-07T20:50:16,564   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/88/23/32793cd57a305039ef7eb7137834cbf13d3939d9ef313af07fdf664bd670/mailer.0.8.0.win32.exe (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,564   Skipping link: Missing project version for mailer: https://files.pythonhosted.org/packages/85/f3/29e01fc824382755107e8026c1adea4449d1e070a25f43675a5dd858e2df/mailer.0.8.0.zip (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,564   Skipping link: unsupported archive format: .exe: https://files.pythonhosted.org/packages/8c/12/64abb34c14d2bbb27e0c08dcaa9afccc8abb2e6c7945377d73291ea44d97/mailer-0.8.1.win32.exe (from https://pypi.org/simple/mailer/)
2025-09-07T20:50:16,565   Found link https://files.pythonhosted.org/packages/30/e7/c3a932fc03ab95c96ff911d8ee3e89b937205596a5c1f00849401a2468e0/mailer-0.8.1.zip (from https://pypi.org/simple/mailer/), version: 0.8.1
2025-09-07T20:50:16,565 Fetching project page and analyzing links: https://www.piwheels.org/simple/mailer/
2025-09-07T20:50:16,565 Getting page https://www.piwheels.org/simple/mailer/
2025-09-07T20:50:16,567 Found index url https://www.piwheels.org/simple/
2025-09-07T20:50:16,662 Fetched page https://www.piwheels.org/simple/mailer/ as text/html
2025-09-07T20:50:16,664   Skipping link: No binaries permitted for mailer: https://archive1.piwheels.org/simple/mailer/mailer-0.8.1-py3-none-any.whl#sha256=4bdc54cc999b3ea477c35dd38cec8fb46c52122ecbcfc13eff01fa2ac5acbaf8 (from https://www.piwheels.org/simple/mailer/)
2025-09-07T20:50:16,664   Skipping link: No binaries permitted for mailer: https://archive1.piwheels.org/simple/mailer/mailer-0.5-py3-none-any.whl#sha256=cae16f0ce8efa43466f770884a00ee02087ab4123c486206f405279b31b3a4de (from https://www.piwheels.org/simple/mailer/)
2025-09-07T20:50:16,665   Skipping link: No binaries permitted for mailer: https://archive1.piwheels.org/simple/mailer/mailer-0.4-py3-none-any.whl#sha256=636b2818302faae0864d28f2ddce4a745f0b37913d8adfa09d08795a178a9350 (from https://www.piwheels.org/simple/mailer/)
2025-09-07T20:50:16,665   Skipping link: No binaries permitted for mailer: https://archive1.piwheels.org/simple/mailer/mailer-0.3-py3-none-any.whl#sha256=7338cf683131ed9955852130f87ac2c5e15a77aec3cc3c6e2cb997a94165c46a (from https://www.piwheels.org/simple/mailer/)
2025-09-07T20:50:16,665   Skipping link: No binaries permitted for mailer: https://archive1.piwheels.org/simple/mailer/mailer-0.2-py3-none-any.whl#sha256=f13e2689da77fa3709dc37f2d2f9eba6b66df8e35dbb62bff2f5f9a6bad74601 (from https://www.piwheels.org/simple/mailer/)
2025-09-07T20:50:16,665 Skipping link: not a file: https://www.piwheels.org/simple/mailer/
2025-09-07T20:50:16,665 Skipping link: not a file: https://pypi.org/simple/mailer/
2025-09-07T20:50:16,690 Given no hashes to check 1 links for project 'mailer': discarding no candidates
2025-09-07T20:50:16,691 Collecting mailer==0.6
2025-09-07T20:50:16,693   Created temporary directory: /tmp/pip-unpack-_6zxkdql
2025-09-07T20:50:16,837   Downloading mailer-0.6.zip (4.1 kB)
2025-09-07T20:50:16,845   Added mailer==0.6 from https://files.pythonhosted.org/packages/37/9c/5c1975579545671b1e256616cb5c28db3663ed594148658d7f747795b6d2/mailer-0.6.zip to build tracker '/tmp/pip-build-tracker-f4z0hgrt'
2025-09-07T20:50:16,846   Running setup.py (path:/tmp/pip-wheel-f4kqhezb/mailer_01deb694ba154f81b5cf47e4e19dafd6/setup.py) egg_info for package mailer
2025-09-07T20:50:16,847   Created temporary directory: /tmp/pip-pip-egg-info-3sfqa5nl
2025-09-07T20:50:16,847   Preparing metadata (setup.py): started
2025-09-07T20:50:16,848   Running command python setup.py egg_info
2025-09-07T20:50:17,402   Traceback (most recent call last):
2025-09-07T20:50:17,404     File "<string>", line 2, in <module>
2025-09-07T20:50:17,404       exec(compile('''
2025-09-07T20:50:17,404       ~~~~^^^^^^^^^^^^
2025-09-07T20:50:17,404       # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-07T20:50:17,404       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,404       ...<32 lines>...
2025-09-07T20:50:17,404       exec(compile(setup_py_code, filename, "exec"))
2025-09-07T20:50:17,404       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,405       ''' % ('/tmp/pip-wheel-f4kqhezb/mailer_01deb694ba154f81b5cf47e4e19dafd6/setup.py',), "<pip-setuptools-caller>", "exec"))
2025-09-07T20:50:17,405       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,405     File "<pip-setuptools-caller>", line 35, in <module>
2025-09-07T20:50:17,405     File "/tmp/pip-wheel-f4kqhezb/mailer_01deb694ba154f81b5cf47e4e19dafd6/setup.py", line 2, in <module>
2025-09-07T20:50:17,405       import mailer
2025-09-07T20:50:17,405     File "/tmp/pip-wheel-f4kqhezb/mailer_01deb694ba154f81b5cf47e4e19dafd6/mailer.py", line 33, in <module>
2025-09-07T20:50:17,405       import Queue
2025-09-07T20:50:17,405   ModuleNotFoundError: No module named 'Queue'
2025-09-07T20:50:17,490   ERROR: python setup.py egg_info exited with 1
2025-09-07T20:50:17,502   [bold magenta]full command[/]: [blue]/usr/bin/python3 -c '
2025-09-07T20:50:17,502   exec(compile('"'"''"'"''"'"'
2025-09-07T20:50:17,502   # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2025-09-07T20:50:17,502   #
2025-09-07T20:50:17,502   # - It imports setuptools before invoking setup.py, to enable projects that directly
2025-09-07T20:50:17,502   #   import from `distutils.core` to work with newer packaging standards.
2025-09-07T20:50:17,502   # - It provides a clear error message when setuptools is not installed.
2025-09-07T20:50:17,502   # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2025-09-07T20:50:17,502   #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2025-09-07T20:50:17,502   #     manifest_maker: standard file '"'"'-c'"'"' not found".
2025-09-07T20:50:17,502   # - It generates a shim setup.py, for handling setup.cfg-only projects.
2025-09-07T20:50:17,502   import os, sys, tokenize, traceback
2025-09-07T20:50:17,502   
2025-09-07T20:50:17,502   try:
2025-09-07T20:50:17,502       import setuptools
2025-09-07T20:50:17,502   except ImportError:
2025-09-07T20:50:17,502       print(
2025-09-07T20:50:17,502           "ERROR: Can not execute `setup.py` since setuptools failed to import in "
2025-09-07T20:50:17,502           "the build environment with exception:",
2025-09-07T20:50:17,502           file=sys.stderr,
2025-09-07T20:50:17,502       )
2025-09-07T20:50:17,502       traceback.print_exc()
2025-09-07T20:50:17,502       sys.exit(1)
2025-09-07T20:50:17,502   
2025-09-07T20:50:17,502   __file__ = %r
2025-09-07T20:50:17,502   sys.argv[0] = __file__
2025-09-07T20:50:17,502   
2025-09-07T20:50:17,502   if os.path.exists(__file__):
2025-09-07T20:50:17,502       filename = __file__
2025-09-07T20:50:17,502       with tokenize.open(__file__) as f:
2025-09-07T20:50:17,502           setup_py_code = f.read()
2025-09-07T20:50:17,502   else:
2025-09-07T20:50:17,502       filename = "<auto-generated setuptools caller>"
2025-09-07T20:50:17,502       setup_py_code = "from setuptools import setup; setup()"
2025-09-07T20:50:17,502   
2025-09-07T20:50:17,502   exec(compile(setup_py_code, filename, "exec"))
2025-09-07T20:50:17,502   '"'"''"'"''"'"' % ('"'"'/tmp/pip-wheel-f4kqhezb/mailer_01deb694ba154f81b5cf47e4e19dafd6/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-3sfqa5nl[/]
2025-09-07T20:50:17,502   [bold magenta]cwd[/]: /tmp/pip-wheel-f4kqhezb/mailer_01deb694ba154f81b5cf47e4e19dafd6/
2025-09-07T20:50:17,503   Preparing metadata (setup.py): finished with status 'error'
2025-09-07T20:50:17,504 ERROR: metadata generation failed
2025-09-07T20:50:17,511 Exception information:
2025-09-07T20:50:17,511 Traceback (most recent call last):
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 63, in generate_metadata
2025-09-07T20:50:17,511     call_subprocess(
2025-09-07T20:50:17,511     ~~~~~~~~~~~~~~~^
2025-09-07T20:50:17,511         args,
2025-09-07T20:50:17,511         ^^^^^
2025-09-07T20:50:17,511     ...<2 lines>...
2025-09-07T20:50:17,511         spinner=spinner,
2025-09-07T20:50:17,511         ^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511     )
2025-09-07T20:50:17,511     ^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 209, in call_subprocess
2025-09-07T20:50:17,511     raise error
2025-09-07T20:50:17,511 pip._internal.exceptions.InstallationSubprocessError: python setup.py egg_info exited with 1
2025-09-07T20:50:17,511 
2025-09-07T20:50:17,511 The above exception was the direct cause of the following exception:
2025-09-07T20:50:17,511 
2025-09-07T20:50:17,511 Traceback (most recent call last):
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 105, in _run_wrapper
2025-09-07T20:50:17,511     status = _inner_run()
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 96, in _inner_run
2025-09-07T20:50:17,511     return self.run(options, args)
2025-09-07T20:50:17,511            ~~~~~~~~^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 68, in wrapper
2025-09-07T20:50:17,511     return func(self, options, args)
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 147, in run
2025-09-07T20:50:17,511     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 96, in resolve
2025-09-07T20:50:17,511     result = self._result = resolver.resolve(
2025-09-07T20:50:17,511                             ~~~~~~~~~~~~~~~~^
2025-09-07T20:50:17,511         collected.requirements, max_rounds=limit_how_complex_resolution_can_be
2025-09-07T20:50:17,511         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511     )
2025-09-07T20:50:17,511     ^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 515, in resolve
2025-09-07T20:50:17,511     state = resolution.resolve(requirements, max_rounds=max_rounds)
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 388, in resolve
2025-09-07T20:50:17,511     self._add_to_criteria(self.state.criteria, r, parent=None)
2025-09-07T20:50:17,511     ~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers/resolution.py", line 141, in _add_to_criteria
2025-09-07T20:50:17,511     if not criterion.candidates:
2025-09-07T20:50:17,511            ^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 194, in __bool__
2025-09-07T20:50:17,511     return bool(self._sequence)
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 163, in __bool__
2025-09-07T20:50:17,511     self._bool = any(self)
2025-09-07T20:50:17,511                  ~~~^^^^^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 147, in <genexpr>
2025-09-07T20:50:17,511     return (c for c in iterator if id(c) not in self._incompatible_ids)
2025-09-07T20:50:17,511                        ^^^^^^^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 37, in _iter_built
2025-09-07T20:50:17,511     candidate = func()
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 187, in _make_candidate_from_link
2025-09-07T20:50:17,511     base: Optional[BaseCandidate] = self._make_base_candidate_from_link(
2025-09-07T20:50:17,511                                     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-07T20:50:17,511         link, template, name, version
2025-09-07T20:50:17,511         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511     )
2025-09-07T20:50:17,511     ^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 233, in _make_base_candidate_from_link
2025-09-07T20:50:17,511     self._link_candidate_cache[link] = LinkCandidate(
2025-09-07T20:50:17,511                                        ~~~~~~~~~~~~~^
2025-09-07T20:50:17,511         link,
2025-09-07T20:50:17,511         ^^^^^
2025-09-07T20:50:17,511     ...<3 lines>...
2025-09-07T20:50:17,511         version=version,
2025-09-07T20:50:17,511         ^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511     )
2025-09-07T20:50:17,511     ^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 306, in __init__
2025-09-07T20:50:17,511     super().__init__(
2025-09-07T20:50:17,511     ~~~~~~~~~~~~~~~~^
2025-09-07T20:50:17,511         link=link,
2025-09-07T20:50:17,511         ^^^^^^^^^^
2025-09-07T20:50:17,511     ...<4 lines>...
2025-09-07T20:50:17,511         version=version,
2025-09-07T20:50:17,511         ^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511     )
2025-09-07T20:50:17,511     ^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 159, in __init__
2025-09-07T20:50:17,511     self.dist = self._prepare()
2025-09-07T20:50:17,511                 ~~~~~~~~~~~~~^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 236, in _prepare
2025-09-07T20:50:17,511     dist = self._prepare_distribution()
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 317, in _prepare_distribution
2025-09-07T20:50:17,511     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2025-09-07T20:50:17,511            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 532, in prepare_linked_requirement
2025-09-07T20:50:17,511     return self._prepare_linked_requirement(req, parallel_builds)
2025-09-07T20:50:17,511            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 647, in _prepare_linked_requirement
2025-09-07T20:50:17,511     dist = _get_prepared_distribution(
2025-09-07T20:50:17,511         req,
2025-09-07T20:50:17,511     ...<3 lines>...
2025-09-07T20:50:17,511         self.check_build_deps,
2025-09-07T20:50:17,511     )
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution
2025-09-07T20:50:17,511     abstract_dist.prepare_distribution_metadata(
2025-09-07T20:50:17,511     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-07T20:50:17,511         finder, build_isolation, check_build_deps
2025-09-07T20:50:17,511         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511     )
2025-09-07T20:50:17,511     ^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 69, in prepare_distribution_metadata
2025-09-07T20:50:17,511     self.req.prepare_metadata()
2025-09-07T20:50:17,511     ~~~~~~~~~~~~~~~~~~~~~~~~~^^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 581, in prepare_metadata
2025-09-07T20:50:17,511     self.metadata_directory = generate_metadata_legacy(
2025-09-07T20:50:17,511                               ~~~~~~~~~~~~~~~~~~~~~~~~^
2025-09-07T20:50:17,511         build_env=self.build_env,
2025-09-07T20:50:17,511         ^^^^^^^^^^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511     ...<3 lines>...
2025-09-07T20:50:17,511         details=details,
2025-09-07T20:50:17,511         ^^^^^^^^^^^^^^^^
2025-09-07T20:50:17,511     )
2025-09-07T20:50:17,511     ^
2025-09-07T20:50:17,511   File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata_legacy.py", line 70, in generate_metadata
2025-09-07T20:50:17,511     raise MetadataGenerationFailed(package_details=details) from error
2025-09-07T20:50:17,511 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2025-09-07T20:50:17,536 Removed mailer==0.6 from https://files.pythonhosted.org/packages/37/9c/5c1975579545671b1e256616cb5c28db3663ed594148658d7f747795b6d2/mailer-0.6.zip from build tracker '/tmp/pip-build-tracker-f4z0hgrt'
2025-09-07T20:50:17,536 Removed build tracker: '/tmp/pip-build-tracker-f4z0hgrt'