2023-08-11T10:18:11,804 Created temporary directory: /tmp/pip-build-tracker-s26fhxnv
2023-08-11T10:18:11,805 Initialized build tracking at /tmp/pip-build-tracker-s26fhxnv
2023-08-11T10:18:11,805 Created build tracker: /tmp/pip-build-tracker-s26fhxnv
2023-08-11T10:18:11,806 Entered build tracker: /tmp/pip-build-tracker-s26fhxnv
2023-08-11T10:18:11,806 Created temporary directory: /tmp/pip-wheel-72gfxgas
2023-08-11T10:18:11,809 Created temporary directory: /tmp/pip-ephem-wheel-cache-_sr7rlc0
2023-08-11T10:18:11,834 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-08-11T10:18:11,837 2 location(s) to search for versions of opt-solver:
2023-08-11T10:18:11,837 * https://pypi.org/simple/opt-solver/
2023-08-11T10:18:11,837 * https://www.piwheels.org/simple/opt-solver/
2023-08-11T10:18:11,838 Fetching project page and analyzing links: https://pypi.org/simple/opt-solver/
2023-08-11T10:18:11,838 Getting page https://pypi.org/simple/opt-solver/
2023-08-11T10:18:11,840 Found index url https://pypi.org/simple/
2023-08-11T10:18:11,890 Fetched page https://pypi.org/simple/opt-solver/ as application/vnd.pypi.simple.v1+json
2023-08-11T10:18:11,891   Skipping link: No binaries permitted for opt-solver: https://files.pythonhosted.org/packages/a2/86/f0d9e18610e4ea692363ad27e33d81164efa8f03ee9fcb9382531136014c/opt_solver-0.1.1-cp310-none-win_amd64.whl (from https://pypi.org/simple/opt-solver/) (requires-python:>=3.7)
2023-08-11T10:18:11,892   Found link https://files.pythonhosted.org/packages/b2/1e/c4958465301987ab71689aaa572b90316dd39be814aca4ac037f47e46c3b/opt_solver-0.1.1.tar.gz (from https://pypi.org/simple/opt-solver/) (requires-python:>=3.7), version: 0.1.1
2023-08-11T10:18:11,892   Skipping link: No binaries permitted for opt-solver: https://files.pythonhosted.org/packages/20/a1/9f4d580a8226deffabbdc2afc251ed857dd98e4a524eec9826a9c888d45a/opt_solver-0.1.2-cp310-none-win_amd64.whl (from https://pypi.org/simple/opt-solver/) (requires-python:>=3.7)
2023-08-11T10:18:11,893   Found link https://files.pythonhosted.org/packages/ca/7a/a8a84858cf4e2a5fce436b8d0c0a815cc1f5e9b1153f09f62d27b9a13bfa/opt_solver-0.1.2.tar.gz (from https://pypi.org/simple/opt-solver/) (requires-python:>=3.7), version: 0.1.2
2023-08-11T10:18:11,893 Fetching project page and analyzing links: https://www.piwheels.org/simple/opt-solver/
2023-08-11T10:18:11,894 Getting page https://www.piwheels.org/simple/opt-solver/
2023-08-11T10:18:11,894 Found index url https://www.piwheels.org/simple/
2023-08-11T10:18:12,052 Fetched page https://www.piwheels.org/simple/opt-solver/ as text/html
2023-08-11T10:18:12,053 Skipping link: not a file: https://www.piwheels.org/simple/opt-solver/
2023-08-11T10:18:12,053 Skipping link: not a file: https://pypi.org/simple/opt-solver/
2023-08-11T10:18:12,070 Given no hashes to check 1 links for project 'opt-solver': discarding no candidates
2023-08-11T10:18:12,087 Collecting opt-solver==0.1.2
2023-08-11T10:18:12,089   Created temporary directory: /tmp/pip-unpack-l5llfiiw
2023-08-11T10:18:12,133   Downloading opt_solver-0.1.2.tar.gz (18 kB)
2023-08-11T10:18:12,187   Added opt-solver==0.1.2 from https://files.pythonhosted.org/packages/ca/7a/a8a84858cf4e2a5fce436b8d0c0a815cc1f5e9b1153f09f62d27b9a13bfa/opt_solver-0.1.2.tar.gz to build tracker '/tmp/pip-build-tracker-s26fhxnv'
2023-08-11T10:18:12,191   Created temporary directory: /tmp/pip-build-env-b0u77t1o
2023-08-11T10:18:12,201   Installing build dependencies: started
2023-08-11T10:18:12,202   Running command pip subprocess to install build dependencies
2023-08-11T10:18:13,400   Using pip 23.1.2 from /home/piwheels/.local/lib/python3.9/site-packages/pip (python 3.9)
2023-08-11T10:18:13,758   Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple
2023-08-11T10:18:15,073   Collecting maturin<2.0,>=1.1
2023-08-11T10:18:15,202     Using cached maturin-1.2.0-py3-none-manylinux_2_17_armv7l.manylinux2014_armv7l.musllinux_1_1_armv7l.whl (9.2 MB)
2023-08-11T10:18:15,574   Collecting tomli>=1.1.0 (from maturin<2.0,>=1.1)
2023-08-11T10:18:15,591     Using cached https://www.piwheels.org/simple/tomli/tomli-2.0.1-py3-none-any.whl (12 kB)
2023-08-11T10:18:17,086   Installing collected packages: tomli, maturin
2023-08-11T10:18:17,834   Successfully installed maturin-1.2.0 tomli-2.0.1

2023-08-11T10:18:17,847   [notice] A new release of pip is available: 23.1.2 -> 23.2.1
2023-08-11T10:18:17,847   [notice] To update, run: python3 -m pip install --upgrade pip
2023-08-11T10:18:18,097   Installing build dependencies: finished with status 'done'
2023-08-11T10:18:18,102   Getting requirements to build wheel: started
2023-08-11T10:18:18,103   Running command Getting requirements to build wheel
2023-08-11T10:18:18,291   Getting requirements to build wheel: finished with status 'done'
2023-08-11T10:18:18,296   Created temporary directory: /tmp/pip-modern-metadata-yq4h5noc
2023-08-11T10:18:18,300   Preparing metadata (pyproject.toml): started
2023-08-11T10:18:18,301   Running command Preparing metadata (pyproject.toml)

2023-08-11T10:18:18,495   Cargo, the Rust package manager, is not installed or is not on PATH.
2023-08-11T10:18:18,496   This package requires Rust and Cargo to compile extensions. Install it through
2023-08-11T10:18:18,496   the system's package manager or via https://rustup.rs/

2023-08-11T10:18:18,496   Checking for Rust toolchain....
2023-08-11T10:18:18,514   ERROR: [present-rich] Preparing metadata (pyproject.toml) exited with 1
2023-08-11T10:18:18,532   [bold magenta]full command[/]: [blue]/usr/bin/python3 /home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py prepare_metadata_for_build_wheel /tmp/tmprz0o6jdj[/]
2023-08-11T10:18:18,532   [bold magenta]cwd[/]: /tmp/pip-wheel-72gfxgas/opt-solver_647520a366464bf4811dc6ee266cd78f
2023-08-11T10:18:18,532   Preparing metadata (pyproject.toml): finished with status 'error'
2023-08-11T10:18:18,535 ERROR: [present-rich] metadata generation failed
2023-08-11T10:18:18,540 Exception information:
2023-08-11T10:18:18,540 Traceback (most recent call last):
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/operations/build/metadata.py", line 35, in generate_metadata
2023-08-11T10:18:18,540     distinfo_dir = backend.prepare_metadata_for_build_wheel(metadata_dir)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/utils/misc.py", line 713, in prepare_metadata_for_build_wheel
2023-08-11T10:18:18,540     return super().prepare_metadata_for_build_wheel(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/pyproject_hooks/_impl.py", line 186, in prepare_metadata_for_build_wheel
2023-08-11T10:18:18,540     return self._call_hook('prepare_metadata_for_build_wheel', {
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/pyproject_hooks/_impl.py", line 311, in _call_hook
2023-08-11T10:18:18,540     self._subprocess_runner(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/utils/subprocess.py", line 252, in runner
2023-08-11T10:18:18,540     call_subprocess(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess
2023-08-11T10:18:18,540     raise error
2023-08-11T10:18:18,540 pip._internal.exceptions.InstallationSubprocessError: Preparing metadata (pyproject.toml) exited with 1
2023-08-11T10:18:18,540 
2023-08-11T10:18:18,540 The above exception was the direct cause of the following exception:
2023-08-11T10:18:18,540 
2023-08-11T10:18:18,540 Traceback (most recent call last):
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/base_command.py", line 169, in exc_logging_wrapper
2023-08-11T10:18:18,540     status = run_func(*args)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/cli/req_command.py", line 248, in wrapper
2023-08-11T10:18:18,540     return func(self, options, args)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/commands/wheel.py", line 147, in run
2023-08-11T10:18:18,540     requirement_set = resolver.resolve(reqs, check_supported_wheels=True)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve
2023-08-11T10:18:18,540     result = self._result = resolver.resolve(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 546, in resolve
2023-08-11T10:18:18,540     state = resolution.resolve(requirements, max_rounds=max_rounds)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 397, in resolve
2023-08-11T10:18:18,540     self._add_to_criteria(self.state.criteria, r, parent=None)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/resolvers.py", line 173, in _add_to_criteria
2023-08-11T10:18:18,540     if not criterion.candidates:
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_vendor/resolvelib/structs.py", line 156, in __bool__
2023-08-11T10:18:18,540     return bool(self._sequence)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__
2023-08-11T10:18:18,540     return any(self)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in <genexpr>
2023-08-11T10:18:18,540     return (c for c in iterator if id(c) not in self._incompatible_ids)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built
2023-08-11T10:18:18,540     candidate = func()
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link
2023-08-11T10:18:18,540     self._link_candidate_cache[link] = LinkCandidate(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 293, in __init__
2023-08-11T10:18:18,540     super().__init__(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 156, in __init__
2023-08-11T10:18:18,540     self.dist = self._prepare()
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 225, in _prepare
2023-08-11T10:18:18,540     dist = self._prepare_distribution()
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/resolution/resolvelib/candidates.py", line 304, in _prepare_distribution
2023-08-11T10:18:18,540     return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/operations/prepare.py", line 516, in prepare_linked_requirement
2023-08-11T10:18:18,540     return self._prepare_linked_requirement(req, parallel_builds)
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/operations/prepare.py", line 631, in _prepare_linked_requirement
2023-08-11T10:18:18,540     dist = _get_prepared_distribution(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution
2023-08-11T10:18:18,540     abstract_dist.prepare_distribution_metadata(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/distributions/sdist.py", line 61, in prepare_distribution_metadata
2023-08-11T10:18:18,540     self.req.prepare_metadata()
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/req/req_install.py", line 555, in prepare_metadata
2023-08-11T10:18:18,540     self.metadata_directory = generate_metadata(
2023-08-11T10:18:18,540   File "/home/piwheels/.local/lib/python3.9/site-packages/pip/_internal/operations/build/metadata.py", line 37, in generate_metadata
2023-08-11T10:18:18,540     raise MetadataGenerationFailed(package_details=details) from error
2023-08-11T10:18:18,540 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed
2023-08-11T10:18:18,551 Removed opt-solver==0.1.2 from https://files.pythonhosted.org/packages/ca/7a/a8a84858cf4e2a5fce436b8d0c0a815cc1f5e9b1153f09f62d27b9a13bfa/opt_solver-0.1.2.tar.gz from build tracker '/tmp/pip-build-tracker-s26fhxnv'
2023-08-11T10:18:18,552 Removed build tracker: '/tmp/pip-build-tracker-s26fhxnv'