2026-04-10T15:56:07,071 Created temporary directory: /tmp/pip-ephem-wheel-cache-hp__r75i 2026-04-10T15:56:07,074 Created temporary directory: /tmp/pip-build-tracker-2_49zhi7 2026-04-10T15:56:07,074 Initialized build tracking at /tmp/pip-build-tracker-2_49zhi7 2026-04-10T15:56:07,075 Created build tracker: /tmp/pip-build-tracker-2_49zhi7 2026-04-10T15:56:07,075 Entered build tracker: /tmp/pip-build-tracker-2_49zhi7 2026-04-10T15:56:07,076 Created temporary directory: /tmp/pip-wheel-52si3e80 2026-04-10T15:56:07,080 DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453 2026-04-10T15:56:07,082 Created temporary directory: /tmp/pip-ephem-wheel-cache-bc0q0471 2026-04-10T15:56:07,104 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-04-10T15:56:07,108 2 location(s) to search for versions of cuopt-mps-parser: 2026-04-10T15:56:07,108 * https://pypi.org/simple/cuopt-mps-parser/ 2026-04-10T15:56:07,108 * https://www.piwheels.org/simple/cuopt-mps-parser/ 2026-04-10T15:56:07,109 Fetching project page and analyzing links: https://pypi.org/simple/cuopt-mps-parser/ 2026-04-10T15:56:07,109 Getting page https://pypi.org/simple/cuopt-mps-parser/ 2026-04-10T15:56:07,111 Found index url https://pypi.org/simple 2026-04-10T15:56:07,340 Fetched page https://pypi.org/simple/cuopt-mps-parser/ as application/vnd.pypi.simple.v1+json 2026-04-10T15:56:07,344 Found link https://files.pythonhosted.org/packages/48/7b/82e55613fa2d1b791710f0958191d2714cbcc7be2e2695c66fc990873b8e/cuopt_mps_parser-24.3.0.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 24.3.0 2026-04-10T15:56:07,345 Found link https://files.pythonhosted.org/packages/90/08/5c8f61161c0385e616980764f14a0ed2035703ff5322322befdf1df91ef8/cuopt-mps-parser-24.3.1.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 24.3.1 2026-04-10T15:56:07,346 Found link https://files.pythonhosted.org/packages/fe/13/4ca79957b78bf80bd74bdb68bc9ee2514dbf320dfce02f618a3d527fade3/cuopt_mps_parser-24.3.2.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.9), version: 24.3.2 2026-04-10T15:56:07,347 Found link https://files.pythonhosted.org/packages/fd/23/3cbe7002c09c0e1b1922e64ac356dd7067cad56b9f131d4002d95a4f6ce5/cuopt_mps_parser-25.5.0.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 25.5.0 2026-04-10T15:56:07,348 Found link https://files.pythonhosted.org/packages/13/14/0812cead503110fc1857f1b1a9b0ac0db84be0e19a5e3a102c546ac6af11/cuopt_mps_parser-25.5.1.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 25.5.1 2026-04-10T15:56:07,349 Found link https://files.pythonhosted.org/packages/fb/4b/9ebf1a3e00f720ce99521c6b50e574a0707ea67fe765898cbcc6ed5ef95c/cuopt_mps_parser-25.8.0.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 25.8.0 2026-04-10T15:56:07,350 Found link https://files.pythonhosted.org/packages/2f/e2/9dca600934b4e855ce027ff7f6a74211b4fb0aabc5114cd7fc457e185194/cuopt_mps_parser-25.10.0.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 25.10.0 2026-04-10T15:56:07,351 Found link https://files.pythonhosted.org/packages/53/e7/46173858cda2623417adec4227e22649098a40e17b2689e00a0a3458b04f/cuopt_mps_parser-25.10.1.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 25.10.1 2026-04-10T15:56:07,352 Found link https://files.pythonhosted.org/packages/c9/ec/51c3a2c7a1b759feba1c749e3ffc435bbb41743f7acf1849b4c40a300276/cuopt_mps_parser-25.12.0.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 25.12.0 2026-04-10T15:56:07,353 Found link https://files.pythonhosted.org/packages/68/20/b929519de7e2aabe16ac22111cc1fad5652d0d193158269427dc4765dfe6/cuopt_mps_parser-26.2.0.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.10), version: 26.2.0 2026-04-10T15:56:07,354 Found link https://files.pythonhosted.org/packages/f3/03/6cb93c9528656aa125801d5077181e1c3efa64a6df801c9e25b12a2924ea/cuopt_mps_parser-26.4.0.tar.gz (from https://pypi.org/simple/cuopt-mps-parser/) (requires-python:>=3.11), version: 26.4.0 2026-04-10T15:56:07,355 Fetching project page and analyzing links: https://www.piwheels.org/simple/cuopt-mps-parser/ 2026-04-10T15:56:07,356 Getting page https://www.piwheels.org/simple/cuopt-mps-parser/ 2026-04-10T15:56:07,357 Found index url https://www.piwheels.org/simple 2026-04-10T15:56:07,531 Fetched page https://www.piwheels.org/simple/cuopt-mps-parser/ as text/html 2026-04-10T15:56:07,532 Skipping link: not a file: https://www.piwheels.org/simple/cuopt-mps-parser/ 2026-04-10T15:56:07,533 Skipping link: not a file: https://pypi.org/simple/cuopt-mps-parser/ 2026-04-10T15:56:07,554 Given no hashes to check 1 links for project 'cuopt-mps-parser': discarding no candidates 2026-04-10T15:56:07,574 Collecting cuopt-mps-parser==26.4.0 2026-04-10T15:56:07,576 Created temporary directory: /tmp/pip-unpack-10oa_1y4 2026-04-10T15:56:07,800 Downloading cuopt_mps_parser-26.4.0.tar.gz (803 bytes) 2026-04-10T15:56:07,810 Added cuopt-mps-parser==26.4.0 from https://files.pythonhosted.org/packages/f3/03/6cb93c9528656aa125801d5077181e1c3efa64a6df801c9e25b12a2924ea/cuopt_mps_parser-26.4.0.tar.gz to build tracker '/tmp/pip-build-tracker-2_49zhi7' 2026-04-10T15:56:07,814 Created temporary directory: /tmp/pip-build-env-cg_sef8s 2026-04-10T15:56:07,818 Installing build dependencies: started 2026-04-10T15:56:07,820 Running command pip subprocess to install build dependencies 2026-04-10T15:56:07,850 Error processing line 1 of /home/piwheels/.local/lib/python3.11/site-packages/outofcuda_hook.pth: 2026-04-10T15:56:07,890 Traceback (most recent call last): 2026-04-10T15:56:07,891 File "", line 192, in addpackage 2026-04-10T15:56:07,892 File "", line 1, in 2026-04-10T15:56:07,892 ModuleNotFoundError: No module named 'outofcuda' 2026-04-10T15:56:07,893 Remainder of file ignored 2026-04-10T15:56:08,962 Using pip 23.0.1 from /usr/lib/python3/dist-packages/pip (python 3.11) 2026-04-10T15:56:09,384 DEPRECATION: --no-binary currently disables reading from the cache of locally built wheels. In the future --no-binary will not influence the wheel cache. pip 23.1 will enforce this behaviour change. A possible replacement is to use the --no-cache-dir option. You can use the flag --use-feature=no-binary-enable-wheel-cache to test the upcoming behaviour. Discussion can be found at https://github.com/pypa/pip/issues/11453 2026-04-10T15:56:09,408 Looking in indexes: https://pypi.org/simple, https://www.piwheels.org/simple 2026-04-10T15:56:09,794 Collecting wheel-stub 2026-04-10T15:56:09,801 Using cached wheel_stub-0.5.0-py3-none-any.whl (108 kB) 2026-04-10T15:56:12,360 Installing collected packages: wheel-stub 2026-04-10T15:56:12,716 Successfully installed wheel-stub-0.5.0 2026-04-10T15:56:12,941 Installing build dependencies: finished with status 'done' 2026-04-10T15:56:12,948 Getting requirements to build wheel: started 2026-04-10T15:56:12,949 Running command Getting requirements to build wheel 2026-04-10T15:56:13,412 Getting requirements to build wheel: finished with status 'done' 2026-04-10T15:56:13,416 Created temporary directory: /tmp/pip-modern-metadata-ljeaqjdi 2026-04-10T15:56:13,418 Preparing metadata (pyproject.toml): started 2026-04-10T15:56:13,420 Running command Preparing metadata (pyproject.toml) 2026-04-10T15:56:14,218 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp311-cp311-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl against tag cp311-cp311-manylinux_2_28_aarch64 2026-04-10T15:56:14,218 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp311-cp311-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl against tag cp311-cp311-manylinux_2_24_aarch64 2026-04-10T15:56:14,219 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp311-cp311-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl against tag cp311-cp311-manylinux_2_24_x86_64 2026-04-10T15:56:14,220 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp311-cp311-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl against tag cp311-cp311-manylinux_2_28_x86_64 2026-04-10T15:56:14,221 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp312-cp312-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl against tag cp312-cp312-manylinux_2_28_aarch64 2026-04-10T15:56:14,221 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp312-cp312-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl against tag cp312-cp312-manylinux_2_24_aarch64 2026-04-10T15:56:14,222 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp312-cp312-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl against tag cp312-cp312-manylinux_2_24_x86_64 2026-04-10T15:56:14,222 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp312-cp312-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl against tag cp312-cp312-manylinux_2_28_x86_64 2026-04-10T15:56:14,223 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp313-cp313-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl against tag cp313-cp313-manylinux_2_28_aarch64 2026-04-10T15:56:14,223 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp313-cp313-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl against tag cp313-cp313-manylinux_2_24_aarch64 2026-04-10T15:56:14,224 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp313-cp313-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl against tag cp313-cp313-manylinux_2_24_x86_64 2026-04-10T15:56:14,224 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp313-cp313-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl against tag cp313-cp313-manylinux_2_28_x86_64 2026-04-10T15:56:14,225 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp314-cp314-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl against tag cp314-cp314-manylinux_2_28_aarch64 2026-04-10T15:56:14,225 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp314-cp314-manylinux_2_24_aarch64.manylinux_2_28_aarch64.whl against tag cp314-cp314-manylinux_2_24_aarch64 2026-04-10T15:56:14,226 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp314-cp314-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl against tag cp314-cp314-manylinux_2_28_x86_64 2026-04-10T15:56:14,227 INFO:wheel-stub:Testing wheel cuopt_mps_parser-26.4.0-cp314-cp314-manylinux_2_24_x86_64.manylinux_2_28_x86_64.whl against tag cp314-cp314-manylinux_2_24_x86_64 2026-04-10T15:56:14,227 File "/tmp/pip-build-env-cg_sef8s/overlay/local/lib/python3.11/dist-packages/wheel_stub/wheel.py", line 249, in download_wheel 2026-04-10T15:56:14,228 return download_manual(wheel_directory, distribution, version, config) 2026-04-10T15:56:14,229 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,229 File "/tmp/pip-build-env-cg_sef8s/overlay/local/lib/python3.11/dist-packages/wheel_stub/wheel.py", line 185, in download_manual 2026-04-10T15:56:14,230 raise RuntimeError(f"Didn't find wheel for {distribution} {version}") 2026-04-10T15:56:14,231 Traceback (most recent call last): 2026-04-10T15:56:14,232 File "/tmp/pip-build-env-cg_sef8s/overlay/local/lib/python3.11/dist-packages/wheel_stub/wheel.py", line 249, in download_wheel 2026-04-10T15:56:14,233 return download_manual(wheel_directory, distribution, version, config) 2026-04-10T15:56:14,234 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,235 File "/tmp/pip-build-env-cg_sef8s/overlay/local/lib/python3.11/dist-packages/wheel_stub/wheel.py", line 185, in download_manual 2026-04-10T15:56:14,236 raise RuntimeError(f"Didn't find wheel for {distribution} {version}") 2026-04-10T15:56:14,237 RuntimeError: Didn't find wheel for cuopt-mps-parser 26.4.0 2026-04-10T15:56:14,239 During handling of the above exception, another exception occurred: 2026-04-10T15:56:14,240 Traceback (most recent call last): 2026-04-10T15:56:14,241 File "/usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 353, in 2026-04-10T15:56:14,241 main() 2026-04-10T15:56:14,242 File "/usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 335, in main 2026-04-10T15:56:14,243 json_out['return_val'] = hook(**hook_input['kwargs']) 2026-04-10T15:56:14,244 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,244 File "/usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 152, in prepare_metadata_for_build_wheel 2026-04-10T15:56:14,245 whl_basename = backend.build_wheel(metadata_directory, config_settings) 2026-04-10T15:56:14,246 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,247 File "/tmp/pip-build-env-cg_sef8s/overlay/local/lib/python3.11/dist-packages/wheel_stub/buildapi.py", line 29, in build_wheel 2026-04-10T15:56:14,247 return download_wheel(pathlib.Path(wheel_directory), config_settings) 2026-04-10T15:56:14,248 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,249 File "/tmp/pip-build-env-cg_sef8s/overlay/local/lib/python3.11/dist-packages/wheel_stub/wheel.py", line 251, in download_wheel 2026-04-10T15:56:14,250 report_install_failure(distribution, version, config, exception_context) 2026-04-10T15:56:14,250 File "/tmp/pip-build-env-cg_sef8s/overlay/local/lib/python3.11/dist-packages/wheel_stub/error.py", line 67, in report_install_failure 2026-04-10T15:56:14,251 raise InstallFailedError( 2026-04-10T15:56:14,252 wheel_stub.error.InstallFailedError: 2026-04-10T15:56:14,253 ******************************************************************************* 2026-04-10T15:56:14,255 The installation of cuopt-mps-parser for version 26.4.0 failed. 2026-04-10T15:56:14,257 This is a special placeholder package which downloads a real wheel package 2026-04-10T15:56:14,257 from https://pypi.nvidia.com/. If https://pypi.nvidia.com/ is not reachable, we 2026-04-10T15:56:14,258 cannot download the real wheel file to install. 2026-04-10T15:56:14,260 You might try installing this package via 2026-04-10T15:56:14,261 ``` 2026-04-10T15:56:14,262 $ pip install --extra-index-url https://pypi.nvidia.com/ cuopt-mps-parser 2026-04-10T15:56:14,263 ``` 2026-04-10T15:56:14,265 Here is some debug information about your platform to include in any bug 2026-04-10T15:56:14,266 report: 2026-04-10T15:56:14,267 Python Version: CPython 3.11.2 2026-04-10T15:56:14,268 Operating System: Linux 6.1.21-v7l+ 2026-04-10T15:56:14,268 CPU Architecture: armv7l 2026-04-10T15:56:14,269 nvidia-smi command not found. Ensure NVIDIA drivers are installed. 2026-04-10T15:56:14,271 ******************************************************************************* 2026-04-10T15:56:14,293 ERROR: [present-rich] Preparing metadata (pyproject.toml) exited with 1 2026-04-10T15:56:14,306 [bold magenta]full command[/]: [blue]/usr/bin/python3 /usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py prepare_metadata_for_build_wheel /tmp/tmppwzcitea[/] 2026-04-10T15:56:14,307 [bold magenta]cwd[/]: /tmp/pip-wheel-52si3e80/cuopt-mps-parser_39ac55693a8b45fa9aeb94528fa7b7a5 2026-04-10T15:56:14,307 Preparing metadata (pyproject.toml): finished with status 'error' 2026-04-10T15:56:14,310 ERROR: [present-rich] metadata generation failed 2026-04-10T15:56:14,316 Exception information: 2026-04-10T15:56:14,316 Traceback (most recent call last): 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata.py", line 35, in generate_metadata 2026-04-10T15:56:14,316 distinfo_dir = backend.prepare_metadata_for_build_wheel(metadata_dir) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/utils/misc.py", line 746, in prepare_metadata_for_build_wheel 2026-04-10T15:56:14,316 return super().prepare_metadata_for_build_wheel( 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_impl.py", line 186, in prepare_metadata_for_build_wheel 2026-04-10T15:56:14,316 return self._call_hook('prepare_metadata_for_build_wheel', { 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_vendor/pyproject_hooks/_impl.py", line 311, in _call_hook 2026-04-10T15:56:14,316 self._subprocess_runner( 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 252, in runner 2026-04-10T15:56:14,316 call_subprocess( 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/utils/subprocess.py", line 224, in call_subprocess 2026-04-10T15:56:14,316 raise error 2026-04-10T15:56:14,316 pip._internal.exceptions.InstallationSubprocessError: Preparing metadata (pyproject.toml) exited with 1 2026-04-10T15:56:14,316 2026-04-10T15:56:14,316 The above exception was the direct cause of the following exception: 2026-04-10T15:56:14,316 2026-04-10T15:56:14,316 Traceback (most recent call last): 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/cli/base_command.py", line 160, in exc_logging_wrapper 2026-04-10T15:56:14,316 status = run_func(*args) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/cli/req_command.py", line 247, in wrapper 2026-04-10T15:56:14,316 return func(self, options, args) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/commands/wheel.py", line 170, in run 2026-04-10T15:56:14,316 requirement_set = resolver.resolve(reqs, check_supported_wheels=True) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/resolver.py", line 92, in resolve 2026-04-10T15:56:14,316 result = self._result = resolver.resolve( 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 481, in resolve 2026-04-10T15:56:14,316 state = resolution.resolve(requirements, max_rounds=max_rounds) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 348, in resolve 2026-04-10T15:56:14,316 self._add_to_criteria(self.state.criteria, r, parent=None) 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/resolvers.py", line 172, in _add_to_criteria 2026-04-10T15:56:14,316 if not criterion.candidates: 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_vendor/resolvelib/structs.py", line 151, in __bool__ 2026-04-10T15:56:14,316 return bool(self._sequence) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 155, in __bool__ 2026-04-10T15:56:14,316 return any(self) 2026-04-10T15:56:14,316 ^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 143, in 2026-04-10T15:56:14,316 return (c for c in iterator if id(c) not in self._incompatible_ids) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/found_candidates.py", line 47, in _iter_built 2026-04-10T15:56:14,316 candidate = func() 2026-04-10T15:56:14,316 ^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/factory.py", line 206, in _make_candidate_from_link 2026-04-10T15:56:14,316 self._link_candidate_cache[link] = LinkCandidate( 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 297, in __init__ 2026-04-10T15:56:14,316 super().__init__( 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 162, in __init__ 2026-04-10T15:56:14,316 self.dist = self._prepare() 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 231, in _prepare 2026-04-10T15:56:14,316 dist = self._prepare_distribution() 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/resolution/resolvelib/candidates.py", line 308, in _prepare_distribution 2026-04-10T15:56:14,316 return preparer.prepare_linked_requirement(self._ireq, parallel_builds=True) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 491, in prepare_linked_requirement 2026-04-10T15:56:14,316 return self._prepare_linked_requirement(req, parallel_builds) 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 577, in _prepare_linked_requirement 2026-04-10T15:56:14,316 dist = _get_prepared_distribution( 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/operations/prepare.py", line 69, in _get_prepared_distribution 2026-04-10T15:56:14,316 abstract_dist.prepare_distribution_metadata( 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/distributions/sdist.py", line 61, in prepare_distribution_metadata 2026-04-10T15:56:14,316 self.req.prepare_metadata() 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/req/req_install.py", line 539, in prepare_metadata 2026-04-10T15:56:14,316 self.metadata_directory = generate_metadata( 2026-04-10T15:56:14,316 ^^^^^^^^^^^^^^^^^^ 2026-04-10T15:56:14,316 File "/usr/lib/python3/dist-packages/pip/_internal/operations/build/metadata.py", line 37, in generate_metadata 2026-04-10T15:56:14,316 raise MetadataGenerationFailed(package_details=details) from error 2026-04-10T15:56:14,316 pip._internal.exceptions.MetadataGenerationFailed: metadata generation failed 2026-04-10T15:56:14,331 Removed cuopt-mps-parser==26.4.0 from https://files.pythonhosted.org/packages/f3/03/6cb93c9528656aa125801d5077181e1c3efa64a6df801c9e25b12a2924ea/cuopt_mps_parser-26.4.0.tar.gz from build tracker '/tmp/pip-build-tracker-2_49zhi7' 2026-04-10T15:56:14,332 Removed build tracker: '/tmp/pip-build-tracker-2_49zhi7'