Free-threaded Python Library Compatibility Checker

  error: subprocess-exited-with-error
  
  × pip subprocess to install build dependencies did not run successfully.
  │ exit code: 1
  ╰─> [44 lines of output]
      Ignoring cffi: markers 'platform_python_implementation != "PyPy" and python_version == "3.8"' don't match your environment
      Collecting maturin<2,>=1.9.4
        Using cached maturin-1.9.4-py3-none-manylinux_2_12_x86_64.manylinux2010_x86_64.musllinux_1_1_x86_64.whl.metadata (16 kB)
      Collecting cffi>=2.0.0
        Using cached cffi-2.0.0.tar.gz (523 kB)
        Installing build dependencies: started
        Installing build dependencies: finished with status 'done'
        Getting requirements to build wheel: started
        Getting requirements to build wheel: finished with status 'error'
        error: subprocess-exited-with-error
      
        × Getting requirements to build wheel did not run successfully.
        │ exit code: 1
        ╰─> [20 lines of output]
            Traceback (most recent call last):
              File "/tmp/tmp2mknfm8p/venv/lib/python3.13t/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 389, in <module>
                main()
                ~~~~^^
              File "/tmp/tmp2mknfm8p/venv/lib/python3.13t/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 373, in main
                json_out["return_val"] = hook(**hook_input["kwargs"])
                                         ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
              File "/tmp/tmp2mknfm8p/venv/lib/python3.13t/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 143, in get_requires_for_build_wheel
                return hook(config_settings)
              File "/tmp/pip-build-env-7zf4u7tq/overlay/lib/python3.13t/site-packages/setuptools/build_meta.py", line 331, in get_requires_for_build_wheel
                return self._get_build_requires(config_settings, requirements=[])
                       ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              File "/tmp/pip-build-env-7zf4u7tq/overlay/lib/python3.13t/site-packages/setuptools/build_meta.py", line 301, in _get_build_requires
                self.run_setup()
                ~~~~~~~~~~~~~~^^
              File "/tmp/pip-build-env-7zf4u7tq/overlay/lib/python3.13t/site-packages/setuptools/build_meta.py", line 317, in run_setup
                exec(code, locals())
                ~~~~^^^^^^^^^^^^^^^^
              File "<string>", line 22, in <module>
            RuntimeError: CFFI does not support the free-threaded build of CPython 3.13. Upgrade to free-threaded 3.14 or newer to use CFFI with the free-threaded build.
            [end of output]
      
        note: This error originates from a subprocess, and is likely not a problem with pip.
      error: subprocess-exited-with-error
      
      × Getting requirements to build wheel did not run successfully.
      │ exit code: 1
      ╰─> See above for output.
      
      note: This error originates from a subprocess, and is likely not a problem with pip.
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: subprocess-exited-with-error

× pip subprocess to install build dependencies did not run successfully.
│ exit code: 1
╰─> See above for output.

note: This error originates from a subprocess, and is likely not a problem with pip.

  error: subprocess-exited-with-error
  
  × installing build dependencies for cryptography did not run successfully.
  │ exit code: 1
  ╰─> [38 lines of output]
      Ignoring cffi: markers 'platform_python_implementation != "PyPy" and python_version == "3.8"' don't match your environment
      Collecting maturin<2,>=1.9.4
        Using cached maturin-1.10.2-py3-none-manylinux_2_12_x86_64.manylinux2010_x86_64.musllinux_1_1_x86_64.whl.metadata (16 kB)
      Collecting cffi>=2.0.0
        Using cached cffi-2.0.0.tar.gz (523 kB)
        Installing build dependencies: started
        Installing build dependencies: finished with status 'done'
        Getting requirements to build wheel: started
        Getting requirements to build wheel: finished with status 'error'
        error: subprocess-exited-with-error
      
        × Getting requirements to build wheel did not run successfully.
        │ exit code: 1
        ╰─> [20 lines of output]
            Traceback (most recent call last):
              File "/tmp/tmpe3q39591/venv/lib/python3.13t/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 389, in <module>
                main()
                ~~~~^^
              File "/tmp/tmpe3q39591/venv/lib/python3.13t/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 373, in main
                json_out["return_val"] = hook(**hook_input["kwargs"])
                                         ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
              File "/tmp/tmpe3q39591/venv/lib/python3.13t/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 143, in get_requires_for_build_wheel
                return hook(config_settings)
              File "/tmp/pip-build-env-z4tw6c1u/overlay/lib/python3.13t/site-packages/setuptools/build_meta.py", line 331, in get_requires_for_build_wheel
                return self._get_build_requires(config_settings, requirements=[])
                       ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              File "/tmp/pip-build-env-z4tw6c1u/overlay/lib/python3.13t/site-packages/setuptools/build_meta.py", line 301, in _get_build_requires
                self.run_setup()
                ~~~~~~~~~~~~~~^^
              File "/tmp/pip-build-env-z4tw6c1u/overlay/lib/python3.13t/site-packages/setuptools/build_meta.py", line 317, in run_setup
                exec(code, locals())
                ~~~~^^^^^^^^^^^^^^^^
              File "<string>", line 22, in <module>
            RuntimeError: CFFI does not support the free-threaded build of CPython 3.13. Upgrade to free-threaded 3.14 or newer to use CFFI with the free-threaded build.
            [end of output]
      
        note: This error originates from a subprocess, and is likely not a problem with pip.
      ERROR: Failed to build 'cffi' when getting requirements to build wheel
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed to build 'cryptography' when installing build dependencies for cryptography

hon-313t/aiohttp/_websocket/.hash
      running build_ext
      building 'aiohttp._websocket.mask' extension
      creating build/temp.linux-x86_64-cpython-313t/aiohttp/_websocket
      cc -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -g -O3 -Wall -fPIC -fPIC -I/tmp/tmp8atu5c6l/venv/include -I/root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t -c aiohttp/_websocket/mask.c -o build/temp.linux-x86_64-cpython-313t/aiohttp/_websocket/mask.o
      aiohttp/_websocket/mask.c:1864:80: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
       1864 | static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw);
            |                                                                                ^~~~~~~~~~~~~~~~~~~~
            |                                                                                vectorcallfunc
      aiohttp/_websocket/mask.c: In function ‘__pyx_f_7aiohttp_10_websocket_4mask__websocket_mask_cython’:
      aiohttp/_websocket/mask.c:2905:3: warning: ‘Py_OptimizeFlag’ is deprecated [-Wdeprecated-declarations]
       2905 |   if (unlikely(__pyx_assertions_enabled())) {
            |   ^~
      In file included from /root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t/Python.h:76,
                       from aiohttp/_websocket/mask.c:16:
      /root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t/cpython/pydebug.h:13:37: note: declared here
         13 | Py_DEPRECATED(3.12) PyAPI_DATA(int) Py_OptimizeFlag;
            |                                     ^~~~~~~~~~~~~~~
      aiohttp/_websocket/mask.c: At top level:
      aiohttp/_websocket/mask.c:4846:69: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
       4846 | static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
            |                                                                     ^~~~~~~~~~~~~~~~~~~~
            |                                                                     vectorcallfunc
      aiohttp/_websocket/mask.c:4891:80: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
       4891 | static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
            |                                                                                ^~~~~~~~~~~~~~~~~~~~
            |                                                                                vectorcallfunc
      aiohttp/_websocket/mask.c: In function ‘__Pyx_CyFunction_CallAsMethod’:
      aiohttp/_websocket/mask.c:5580:6: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
       5580 |      __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
            |      ^~~~~~~~~~~~~~~~~~~~
            |      vectorcallfunc
      aiohttp/_websocket/mask.c:1954:45: warning: initialization of ‘int’ from ‘vectorcallfunc’ {aka ‘struct _object * (*)(struct _object *, struct _object * const*, long unsigned int,  struct _object *)’} makes integer from pointer without a cast [-Wint-conversion]
       1954 | #define __Pyx_CyFunction_func_vectorcall(f) (((PyCFunctionObject*)f)->vectorcall)
            |                                             ^
      aiohttp/_websocket/mask.c:5580:32: note: in expansion of macro ‘__Pyx_CyFunction_func_vectorcall’
       5580 |      __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
            |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      aiohttp/_websocket/mask.c:5583:16: warning: implicit declaration of function ‘__Pyx_PyVectorcall_FastCallDict’ [-Wimplicit-function-declaration]
       5583 |         return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
            |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      aiohttp/_websocket/mask.c:5583:16: warning: returning ‘int’ from a function with return type ‘PyObject *’ {aka ‘struct _object *’} makes pointer from integer without a cast [-Wint-conversion]
       5583 |         return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
            |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      error: command '/usr/bin/cc' failed with exit code 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for aiohttp
ERROR: Failed to build installable wheels for some pyproject.toml based projects (aiohttp)

  error: subprocess-exited-with-error
  
  × Building wheel for cryptography (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [21 lines of output]
      Running `maturin pep517 build-wheel -i /tmp/tmpy75itimm/venv/bin/python --compatibility off`
      📦 Including license file "/tmp/pip-install-aez45uba/cryptography_3ee9fbf5bceb44449188faf09de9d896/LICENSE"
      📦 Including license file "/tmp/pip-install-aez45uba/cryptography_3ee9fbf5bceb44449188faf09de9d896/LICENSE.APACHE"
      📦 Including license file "/tmp/pip-install-aez45uba/cryptography_3ee9fbf5bceb44449188faf09de9d896/LICENSE.BSD"
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings with abi3 support
      🐍 Found CPython 3.13t at /tmp/tmpy75itimm/venv/bin/python
      📡 Using build options locked from pyproject.toml
      ⚠️ Warning: CPython 3.13t at /tmp/tmpy75itimm/venv/bin/python does not yet support abi3 so the build artifacts will be version-specific.
      warning: /tmp/pip-install-aez45uba/cryptography_3ee9fbf5bceb44449188faf09de9d896/src/rust/cryptography-openssl/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-aez45uba/cryptography_3ee9fbf5bceb44449188faf09de9d896/src/rust/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-aez45uba/cryptography_3ee9fbf5bceb44449188faf09de9d896/src/rust/cryptography-key-parsing/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-aez45uba/cryptography_3ee9fbf5bceb44449188faf09de9d896/src/rust/cryptography-cffi/Cargo.toml: unused manifest key: lints
      error: package `once_cell v1.21.3` cannot be built because it requires rustc 1.65 or newer, while the currently active rustc version is 1.63.0
      Either upgrade to rustc 1.65 or newer, or use
      cargo update -p once_cell@1.21.3 --precise ver
      where `ver` is the latest version of `once_cell` supporting rustc 1.63.0
      💥 maturin failed
        Caused by: Failed to build a native library through cargo
        Caused by: Cargo build finished with "exit status: 101": `env -u CARGO PYO3_ENVIRONMENT_SIGNATURE="cpython-3.13-64bit" PYO3_PYTHON="/tmp/tmpy75itimm/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpy75itimm/venv/bin/python" "cargo" "rustc" "--message-format" "json-render-diagnostics" "--locked" "--manifest-path" "/tmp/pip-install-aez45uba/cryptography_3ee9fbf5bceb44449188faf09de9d896/src/rust/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpy75itimm/venv/bin/python', '--compatibility', 'off'] returned non-zero exit status 1
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for cryptography
ERROR: Failed to build installable wheels for some pyproject.toml based projects (cryptography)

313t/h5py/tests
      copying h5py/tests/common.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/conftest.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_attribute_create.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_attrs.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_attrs_data.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_base.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_big_endian_file.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_completions.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_dataset.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_dataset_getitem.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_dataset_swmr.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_datatype.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_dimension_scales.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_dims_dimensionproxy.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_dtype.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_errors.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_file.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_file2.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_file_alignment.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_file_image.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_filters.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_group.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5d_direct_chunk.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5f.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5o.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5p.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5pl.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5s.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5t.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_h5z.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_npystrings.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_objects.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_ros3.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_selections.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      copying h5py/tests/test_slicing.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests
      creating build/lib.linux-x86_64-cpython-313t/h5py/tests/data_files
      copying h5py/tests/data_files/__init__.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests/data_files
      creating build/lib.linux-x86_64-cpython-313t/h5py/tests/test_vds
      copying h5py/tests/test_vds/__init__.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests/test_vds
      copying h5py/tests/test_vds/test_highlevel_vds.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests/test_vds
      copying h5py/tests/test_vds/test_lowlevel_vds.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests/test_vds
      copying h5py/tests/test_vds/test_virtual_source.py -> build/lib.linux-x86_64-cpython-313t/h5py/tests/test_vds
      copying h5py/tests/data_files/vlen_string_dset.h5 -> build/lib.linux-x86_64-cpython-313t/h5py/tests/data_files
      copying h5py/tests/data_files/vlen_string_dset_utc.h5 -> build/lib.linux-x86_64-cpython-313t/h5py/tests/data_files
      copying h5py/tests/data_files/vlen_string_s390x.h5 -> build/lib.linux-x86_64-cpython-313t/h5py/tests/data_files
      running build_ext
      Building h5py requires pkg-config unless the HDF5 path is explicitly specified using the environment variable HDF5_DIR. For more information and details, see https://docs.h5py.org/en/stable/build.html#custom-installation
      error: pkg-config probably not installed: FileNotFoundError(2, 'No such file or directory')
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for h5py
error: failed-wheel-build-for-install

× Failed to build installable wheels for some pyproject.toml based projects
╰─> h5py