2023-12-06T03:40:33,481 Created temporary directory: /tmp/pip-build-tracker-h_n97tw2
2023-12-06T03:40:33,482 Initialized build tracking at /tmp/pip-build-tracker-h_n97tw2
2023-12-06T03:40:33,483 Created build tracker: /tmp/pip-build-tracker-h_n97tw2
2023-12-06T03:40:33,483 Entered build tracker: /tmp/pip-build-tracker-h_n97tw2
2023-12-06T03:40:33,483 Created temporary directory: /tmp/pip-wheel-7g6mc4or
2023-12-06T03:40:33,487 Created temporary directory: /tmp/pip-ephem-wheel-cache-39k33l50
2023-12-06T03:40:33,511 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-12-06T03:40:33,515 2 location(s) to search for versions of sagemath-sirocco:
2023-12-06T03:40:33,515 * https://pypi.org/simple/sagemath-sirocco/
2023-12-06T03:40:33,515 * https://www.piwheels.org/simple/sagemath-sirocco/
2023-12-06T03:40:33,515 Fetching project page and analyzing links: https://pypi.org/simple/sagemath-sirocco/
2023-12-06T03:40:33,516 Getting page https://pypi.org/simple/sagemath-sirocco/
2023-12-06T03:40:33,517 Found index url https://pypi.org/simple/
2023-12-06T03:40:33,567 Fetched page https://pypi.org/simple/sagemath-sirocco/ as application/vnd.pypi.simple.v1+json
2023-12-06T03:40:33,573   Found link https://files.pythonhosted.org/packages/28/cb/160bc3b7eca0d3fb546c30a5ecbdecd892d03062349e717fc61de420ea66/sagemath-sirocco-9.8b1.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 9.8b1
2023-12-06T03:40:33,573   Found link https://files.pythonhosted.org/packages/e8/47/941f7f610c1d1438674297427c310177348418dce85446d696c1619fe83e/sagemath-sirocco-10.0.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.0
2023-12-06T03:40:33,574   Found link https://files.pythonhosted.org/packages/d0/dd/778b947ef73bfdab120d0e61636258a86f1e826adde3ff0ff1d9739586e2/sagemath-sirocco-10.1b9.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.1b9
2023-12-06T03:40:33,575   Found link https://files.pythonhosted.org/packages/37/9e/6be273fe8e71dcec770290b2d6f4bcf2d708f8bc722678917d3b98cbb267/sagemath-sirocco-10.1rc0.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.1rc0
2023-12-06T03:40:33,575   Found link https://files.pythonhosted.org/packages/30/9c/027deb2d1cb3f5ebcd0c536cd4c2d9f012aa7045fe564ee6e04e3a71208a/sagemath-sirocco-10.1.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.1
2023-12-06T03:40:33,576   Found link https://files.pythonhosted.org/packages/54/40/47af62cc95f93c5076bda705575289599f44b9474133e361eb2c2d4ed9d7/sagemath-sirocco-10.2b0.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b0
2023-12-06T03:40:33,577   Found link https://files.pythonhosted.org/packages/c4/9e/a71e461c959db533901f03c4a9166c3e3ad1c30dbde22ff73b053f38a3b9/sagemath-sirocco-10.2b1.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b1
2023-12-06T03:40:33,577   Found link https://files.pythonhosted.org/packages/cd/18/079125701e17fbb894df444635d6b709ac7a0c499b4c47cb74eebb7a5662/sagemath-sirocco-10.2b2.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b2
2023-12-06T03:40:33,578   Found link https://files.pythonhosted.org/packages/e7/ce/f27445a42f136e635e35ed6209bbe11d113d6f1c8691ce982543214f11db/sagemath-sirocco-10.2b3.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b3
2023-12-06T03:40:33,579   Found link https://files.pythonhosted.org/packages/fb/40/30047526cb736c2f9874cd19eba301f2d199f7d7d99aaa9986ee9085d504/sagemath-sirocco-10.2b4.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b4
2023-12-06T03:40:33,579   Found link https://files.pythonhosted.org/packages/bc/72/05c7a967fcdc562f5d100d5c5eae73c9a63207ed83bda2c6dc46d3f5af9a/sagemath-sirocco-10.2b5.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b5
2023-12-06T03:40:33,580   Found link https://files.pythonhosted.org/packages/68/9e/ebb50d55860fbd0ddc88178334b125798ad090c5660149cd8802afec29e1/sagemath-sirocco-10.2b6.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b6
2023-12-06T03:40:33,581   Found link https://files.pythonhosted.org/packages/b6/2b/60922767a284d4ccbc79c28ddc62c6945f0b5ffbb03988d0487d2615044f/sagemath-sirocco-10.2b7.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b7
2023-12-06T03:40:33,582   Found link https://files.pythonhosted.org/packages/97/7f/44c6755ee5cde6b8055fbd9546eacbb6060865f2fff9a3a7096d83c043f8/sagemath-sirocco-10.2b8.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b8
2023-12-06T03:40:33,582   Found link https://files.pythonhosted.org/packages/0d/48/00c486ecfb210cbb50d6741534b8c82e03a50a7f241cc2305e620753fcdb/sagemath-sirocco-10.2b9.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2b9
2023-12-06T03:40:33,583   Found link https://files.pythonhosted.org/packages/59/28/368f8dfb9555103c40e6ca3318666fe513171daa2db09e5cd69a046b7c80/sagemath-sirocco-10.2rc0.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2rc0
2023-12-06T03:40:33,584   Found link https://files.pythonhosted.org/packages/22/a8/92c6385bb02f4f573815cdb952b48db188281f3ac5737da633b44365147b/sagemath-sirocco-10.2rc1.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2rc1
2023-12-06T03:40:33,584   Found link https://files.pythonhosted.org/packages/7d/98/9ada024f83f4d8aa7a42248eec690032ca05da1ff12d5cffe4d71ad6f372/sagemath-sirocco-10.2rc2.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2rc2
2023-12-06T03:40:33,585   Found link https://files.pythonhosted.org/packages/97/58/c79a077672866e564efd2f0444c033ff387b24eee0161014e723d3dad6db/sagemath-sirocco-10.2rc3.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2rc3
2023-12-06T03:40:33,586   Found link https://files.pythonhosted.org/packages/2e/50/af6b0bd2a8267f9a573d2e089c466debd41ced7a032bfc456a236fa2aaf9/sagemath-sirocco-10.2rc4.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2rc4
2023-12-06T03:40:33,586   Found link https://files.pythonhosted.org/packages/15/35/8321fcc46d7cbbe0c0b227470340bec46211340af33205bd0284bcf9c0e8/sagemath-sirocco-10.2rc5.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2rc5
2023-12-06T03:40:33,587   Found link https://files.pythonhosted.org/packages/be/6a/d84fd34dddc39ececd5208552892eda9971d2cb5068d6d7d3712611f6ce8/sagemath-sirocco-10.2.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.2
2023-12-06T03:40:33,588   Found link https://files.pythonhosted.org/packages/6e/80/e8bc38d929eb3f82c5278d5eacbf88e935a481609d1a8d5822bb677f054b/sagemath-sirocco-10.3b0.tar.gz (from https://pypi.org/simple/sagemath-sirocco/) (requires-python:<3.12,>=3.8), version: 10.3b0
2023-12-06T03:40:33,588 Fetching project page and analyzing links: https://www.piwheels.org/simple/sagemath-sirocco/
2023-12-06T03:40:33,588 Getting page https://www.piwheels.org/simple/sagemath-sirocco/
2023-12-06T03:40:33,589 Found index url https://www.piwheels.org/simple/
2023-12-06T03:40:33,652 Fetched page https://www.piwheels.org/simple/sagemath-sirocco/ as text/html
2023-12-06T03:40:33,653 Skipping link: not a file: https://www.piwheels.org/simple/sagemath-sirocco/
2023-12-06T03:40:33,653 Skipping link: not a file: https://pypi.org/simple/sagemath-sirocco/
2023-12-06T03:40:33,674 Given no hashes to check 1 links for project 'sagemath-sirocco': discarding no candidates
2023-12-06T03:40:33,690 Collecting sagemath-sirocco==10.3b0
2023-12-06T03:40:33,692   Created temporary directory: /tmp/pip-unpack-zwg3v1al
2023-12-06T03:40:33,743   Downloading sagemath-sirocco-10.3b0.tar.gz (6.6 kB)
2023-12-06T03:40:33,783   Added sagemath-sirocco==10.3b0 from https://files.pythonhosted.org/packages/6e/80/e8bc38d929eb3f82c5278d5eacbf88e935a481609d1a8d5822bb677f054b/sagemath-sirocco-10.3b0.tar.gz to build tracker '/tmp/pip-build-tracker-h_n97tw2'
2023-12-06T03:40:33,794   Created temporary directory: /tmp/pip-build-env-uj26_h3w
2023-12-06T03:40:33,804   Installing build dependencies: started
2023-12-06T03:40:33,805   Running command pip subprocess to install build dependencies
2023-12-06T03:40:34,989   Using pip 23.3.1 from /home/piwheels/.local/lib/python3.9/site-packages/pip (python 3.9)
2023-12-06T03:40:35,538   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-12-06T03:40:37,253   Collecting setuptools>=68.1.1
2023-12-06T03:40:37,352     Using cached https://www.piwheels.org/simple/setuptools/setuptools-69.0.2-py3-none-any.whl (819 kB)
2023-12-06T03:40:38,279   Collecting sage-setup~=10.3b0
2023-12-06T03:40:39,416     Using cached https://www.piwheels.org/simple/sage-setup/sage_setup-10.3b0-py3-none-any.whl (84 kB)
2023-12-06T03:40:39,658   Collecting sagemath-environment~=10.3b0
2023-12-06T03:40:39,677     Using cached https://www.piwheels.org/simple/sagemath-environment/sagemath_environment-10.3b0-py3-none-any.whl (113 kB)
2023-12-06T03:40:40,897   Collecting cython!=3.0.3,<4.0,>=3.0
2023-12-06T03:40:40,918     Using cached https://www.piwheels.org/simple/cython/Cython-3.0.6-cp39-cp39-linux_armv7l.whl (10.7 MB)
2023-12-06T03:40:41,310   Collecting cypari2>=2.1.1
2023-12-06T03:40:41,320     Using cached cypari2-2.1.3.tar.gz (127 kB)
2023-12-06T03:40:41,467     Preparing metadata (setup.py): started
2023-12-06T03:40:41,467     Running command python setup.py egg_info
2023-12-06T03:40:42,216     /usr/local/lib/python3.9/dist-packages/setuptools/__init__.py:80: _DeprecatedInstaller: setuptools.installer and fetch_build_eggs are deprecated.
2023-12-06T03:40:42,216     !!

2023-12-06T03:40:42,218             ********************************************************************************
2023-12-06T03:40:42,219             Requirements should be satisfied by a PEP 517 installer.
2023-12-06T03:40:42,220             If you are using pip, you can try `pip install --use-pep517`.
2023-12-06T03:40:42,221             ********************************************************************************

2023-12-06T03:40:42,222     !!
2023-12-06T03:40:42,223       dist.fetch_build_eggs(dist.setup_requires)
2023-12-06T03:40:42,600     running egg_info
2023-12-06T03:40:42,601     creating /tmp/pip-pip-egg-info-opm4l_a8/cypari2.egg-info
2023-12-06T03:40:42,629     writing /tmp/pip-pip-egg-info-opm4l_a8/cypari2.egg-info/PKG-INFO
2023-12-06T03:40:42,632     writing dependency_links to /tmp/pip-pip-egg-info-opm4l_a8/cypari2.egg-info/dependency_links.txt
2023-12-06T03:40:42,634     writing requirements to /tmp/pip-pip-egg-info-opm4l_a8/cypari2.egg-info/requires.txt
2023-12-06T03:40:42,635     writing top-level names to /tmp/pip-pip-egg-info-opm4l_a8/cypari2.egg-info/top_level.txt
2023-12-06T03:40:42,637     writing manifest file '/tmp/pip-pip-egg-info-opm4l_a8/cypari2.egg-info/SOURCES.txt'
2023-12-06T03:40:42,702     error: cannot find an installation of PARI/GP: make sure that the 'gp' program is in your $PATH
2023-12-06T03:40:42,812     error: subprocess-exited-with-error

2023-12-06T03:40:42,812     × python setup.py egg_info did not run successfully.
2023-12-06T03:40:42,812     │ exit code: 1
2023-12-06T03:40:42,813     ╰─> See above for output.

2023-12-06T03:40:42,813     note: This error originates from a subprocess, and is likely not a problem with pip.
2023-12-06T03:40:42,817     full command: /usr/bin/python3 -c '
2023-12-06T03:40:42,817     exec(compile('"'"''"'"''"'"'
2023-12-06T03:40:42,817     # This is <pip-setuptools-caller> -- a caller that pip uses to run setup.py
2023-12-06T03:40:42,817     #
2023-12-06T03:40:42,817     # - It imports setuptools before invoking setup.py, to enable projects that directly
2023-12-06T03:40:42,817     #   import from `distutils.core` to work with newer packaging standards.
2023-12-06T03:40:42,818     # - It provides a clear error message when setuptools is not installed.
2023-12-06T03:40:42,818     # - It sets `sys.argv[0]` to the underlying `setup.py`, when invoking `setup.py` so
2023-12-06T03:40:42,818     #   setuptools doesn'"'"'t think the script is `-c`. This avoids the following warning:
2023-12-06T03:40:42,818     #     manifest_maker: standard file '"'"'-c'"'"' not found".
2023-12-06T03:40:42,818     # - It generates a shim setup.py, for handling setup.cfg-only projects.
2023-12-06T03:40:42,818     import os, sys, tokenize

2023-12-06T03:40:42,818     try:
2023-12-06T03:40:42,819         import setuptools
2023-12-06T03:40:42,819     except ImportError as error:
2023-12-06T03:40:42,819         print(
2023-12-06T03:40:42,819             "ERROR: Can not execute `setup.py` since setuptools is not available in "
2023-12-06T03:40:42,819             "the build environment.",
2023-12-06T03:40:42,819             file=sys.stderr,
2023-12-06T03:40:42,819         )
2023-12-06T03:40:42,819         sys.exit(1)

2023-12-06T03:40:42,820     __file__ = %r
2023-12-06T03:40:42,820     sys.argv[0] = __file__

2023-12-06T03:40:42,820     if os.path.exists(__file__):
2023-12-06T03:40:42,820         filename = __file__
2023-12-06T03:40:42,820         with tokenize.open(__file__) as f:
2023-12-06T03:40:42,820             setup_py_code = f.read()
2023-12-06T03:40:42,821     else:
2023-12-06T03:40:42,821         filename = "<auto-generated setuptools caller>"
2023-12-06T03:40:42,821         setup_py_code = "from setuptools import setup; setup()"

2023-12-06T03:40:42,821     exec(compile(setup_py_code, filename, "exec"))
2023-12-06T03:40:42,821     '"'"''"'"''"'"' % ('"'"'/tmp/pip-install-i8ej2_a0/cypari2_908d3efe32d1485ab2f5a56c45b7bafa/setup.py'"'"',), "<pip-setuptools-caller>", "exec"))' egg_info --egg-base /tmp/pip-pip-egg-info-opm4l_a8
2023-12-06T03:40:42,821     cwd: /tmp/pip-install-i8ej2_a0/cypari2_908d3efe32d1485ab2f5a56c45b7bafa/
2023-12-06T03:40:42,821     Preparing metadata (setup.py): finished with status 'error'
2023-12-06T03:40:42,825   error: metadata-generation-failed

2023-12-06T03:40:42,826   × Encountered error while generating package metadata.
2023-12-06T03:40:42,826   ╰─> See above for output.

2023-12-06T03:40:42,826   note: This is an issue with the package mentioned above, not pip.
2023-12-06T03:40:42,826   hint: See above for details.
2023-12-06T03:40:43,361   ERROR: pip subprocess to install build dependencies exited with 1
2023-12-06T03:40:43,379   [bold magenta]full command[/]: [blue]/usr/bin/python3 /home/piwheels/.local/lib/python3.9/site-packages/pip/__pip-runner__.py install --ignore-installed --no-user --prefix /tmp/pip-build-env-uj26_h3w/overlay --no-warn-script-location -v --no-binary sagemath-sirocco --only-binary :none: -i https://pypi.org/simple --extra-index-url https://www.piwheels.org/simple --prefer-binary -- 'setuptools >= 68.1.1' 'sage-setup ~= 10.3b0' 'sagemath-environment ~= 10.3b0' 'cython >=3.0, != 3.0.3, <4.0' 'cypari2 >=2.1.1' 'cysignals >=1.10.2' pkgconfig[/]
2023-12-06T03:40:43,379   [bold magenta]cwd[/]: \[inherit]
2023-12-06T03:40:43,379   Installing build dependencies: finished with status 'error'
2023-12-06T03:40:43,380 ERROR: pip subprocess to install build dependencies exited with 1
2023-12-06T03:40:43,386 Exception information:
2023-12-06T03:40:43,386 Traceback (most recent call last):
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 180, in exc_logging_wrapper
2023-12-06T03:40:43,386     status = run_func(*args)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 245, in wrapper
2023-12-06T03:40:43,386     return func(self, options, args)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/commands/wheel.py", line 147, in run
2023-12-06T03:40:43,386     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 95, in resolve
2023-12-06T03:40:43,386     result = self._result = resolver.resolve(
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 546, in resolve
2023-12-06T03:40:43,386     state = resolution.resolve(requirements, max_rounds=max_rounds)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 397, in resolve
2023-12-06T03:40:43,386     self._add_to_criteria(self.state.criteria, r, parent=None)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria
2023-12-06T03:40:43,386     if not criterion.candidates:
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/structs.py", line 156, in __bool__
2023-12-06T03:40:43,386     return bool(self._sequence)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2023-12-06T03:40:43,386     return any(self)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2023-12-06T03:40:43,386     return (c for c in iterator if id(c) not in self._incompatible_ids)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2023-12-06T03:40:43,386     candidate = func()
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/factory.py", line 211, in _make_candidate_from_link
2023-12-06T03:40:43,386     self._link_candidate_cache[link] = LinkCandidate(
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 293, in __init__
2023-12-06T03:40:43,386     super().__init__(
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 156, in __init__
2023-12-06T03:40:43,386     self.dist = self._prepare()
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 225, in _prepare
2023-12-06T03:40:43,386     dist = self._prepare_distribution()
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 304, in _prepare_distribution
2023-12-06T03:40:43,386     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/operations/prepare.py", line 525, in prepare_linked_requirement
2023-12-06T03:40:43,386     return self._prepare_linked_requirement(req, parallel_builds)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/operations/prepare.py", line 640, in _prepare_linked_requirement
2023-12-06T03:40:43,386     dist = _get_prepared_distribution(
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/operations/prepare.py", line 71, in _get_prepared_distribution
2023-12-06T03:40:43,386     abstract_dist.prepare_distribution_metadata(
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/distributions/sdist.py", line 44, in prepare_distribution_metadata
2023-12-06T03:40:43,386     self._prepare_build_backend(finder)
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/distributions/sdist.py", line 76, in _prepare_build_backend
2023-12-06T03:40:43,386     self.req.build_env.install_requirements(
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/build_env.py", line 217, in install_requirements
2023-12-06T03:40:43,386     self._install_requirements(
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/build_env.py", line 275, in _install_requirements
2023-12-06T03:40:43,386     call_subprocess(
2023-12-06T03:40:43,386   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2023-12-06T03:40:43,386     raise error
2023-12-06T03:40:43,386 pip._internal.exceptions.InstallationSubprocessError: pip subprocess to install build dependencies exited with 1
2023-12-06T03:40:43,395 Removed sagemath-sirocco==10.3b0 from https://files.pythonhosted.org/packages/6e/80/e8bc38d929eb3f82c5278d5eacbf88e935a481609d1a8d5822bb677f054b/sagemath-sirocco-10.3b0.tar.gz from build tracker '/tmp/pip-build-tracker-h_n97tw2'
2023-12-06T03:40:43,395 Removed build tracker: '/tmp/pip-build-tracker-h_n97tw2'