Free-threaded Python Library Compatibility Checker

  error: subprocess-exited-with-error
  
  × Getting requirements to build wheel did not run successfully.
  │ exit code: 1
  ╰─> [4 lines of output]
      Building lxml version 5.4.0.
      <string>:67: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.
      Building without Cython.
      Error: Please make sure the libxml2 and libxslt development packages are installed.
      [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.

  error: subprocess-exited-with-error
  
  × Building wheel for cryptography (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [19 lines of output]
      Running `maturin pep517 build-wheel -i /tmp/tmpdlzr7ev3/venv/bin/python --compatibility off`
      📦 Including license file "/tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/LICENSE"
      📦 Including license file "/tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/LICENSE.APACHE"
      📦 Including license file "/tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/LICENSE.BSD"
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings with abi3 support
      🐍 Found CPython 3.13t at /tmp/tmpdlzr7ev3/venv/bin/python
      📡 Using build options locked from pyproject.toml
      ⚠️ Warning: CPython 3.13t at /tmp/tmpdlzr7ev3/venv/bin/python does not yet support abi3 so the build artifacts will be version-specific.
      warning: /tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/src/rust/cryptography-key-parsing/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/src/rust/cryptography-cffi/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/src/rust/cryptography-openssl/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/src/rust/Cargo.toml: unused manifest key: lints
      error: package `cryptography-crypto v0.1.0 (/tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/src/rust/cryptography-crypto)` cannot be built because it requires rustc 1.74.0 or newer, while the currently active rustc version is 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/tmpdlzr7ev3/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpdlzr7ev3/venv/bin/python" "cargo" "rustc" "--message-format" "json-render-diagnostics" "--locked" "--manifest-path" "/tmp/pip-install-hvzocbwl/cryptography_ba1b3c9300a94a1aa42dd782142ce341/src/rust/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpdlzr7ev3/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)

: command '/usr/bin/c++' failed with exit code 1
                  Exception ignored in: <function Pool.__del__ at 0x29561eb2620>
                  Traceback (most recent call last):
                    File "/root/.local/share/uv/python/cpython-3.13.9+freethreaded-linux-x86_64-gnu/lib/python3.13t/multiprocessing/pool.py", line 271, in __del__
                      self._change_notifier.put(None)
                    File "/root/.local/share/uv/python/cpython-3.13.9+freethreaded-linux-x86_64-gnu/lib/python3.13t/multiprocessing/queues.py", line 397, in put
                      self._writer.send_bytes(obj)
                    File "/root/.local/share/uv/python/cpython-3.13.9+freethreaded-linux-x86_64-gnu/lib/python3.13t/multiprocessing/connection.py", line 200, in send_bytes
                      self._send_bytes(m[offset:offset + size])
                    File "/root/.local/share/uv/python/cpython-3.13.9+freethreaded-linux-x86_64-gnu/lib/python3.13t/multiprocessing/connection.py", line 427, in _send_bytes
                      self._send(header + buf)
                    File "/root/.local/share/uv/python/cpython-3.13.9+freethreaded-linux-x86_64-gnu/lib/python3.13t/multiprocessing/connection.py", line 384, in _send
                      n = write(self._handle, buf)
                  BrokenPipeError: [Errno 32] Broken pipe
                  [end of output]
      
              note: This error originates from a subprocess, and is likely not a problem with pip.
              ERROR: Failed building wheel for grpcio-tools
              Building wheel for pyyaml (pyproject.toml): started
              Building wheel for pyyaml (pyproject.toml): finished with status 'done'
              Created wheel for pyyaml: filename=pyyaml-6.0.3-cp313-cp313t-linux_x86_64.whl size=45465 sha256=d8994aac1ab3b6832f6cb1185d0681079d9e6c3afbb5aa8c6aaf6cc8aacf8a2e
              Stored in directory: /root/.cache/pip/wheels/aa/29/40/b2d39adcf3d4ad62005bbc244cbeb5cc01d37ffd17fdc79a4a
              Building wheel for grpcio (pyproject.toml): started
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): still running...
              Building wheel for grpcio (pyproject.toml): finished with status 'done'
              Created wheel for grpcio: filename=grpcio-1.76.0-cp313-cp313t-linux_x86_64.whl size=195512928 sha256=e56406fa946b7739d7dc1647e918855de3a3098c2c56e4b33d7a26253a20abe4
              Stored in directory: /root/.cache/pip/wheels/fd/3a/7d/e2def3f3a6547c89f99df198cce22ac4b9cc1453a328c1e0b4
            Successfully built pyyaml grpcio
            Failed to build grpcio-tools
            error: failed-wheel-build-for-install
      
            × Failed to build installable wheels for some pyproject.toml based projects
            ╰─> grpcio-tools
            [end of output]
      
        note: This error originates from a subprocess, and is likely not a problem with pip.
      ERROR: Failed to build 'apache-beam' when installing build dependencies for apache-beam
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
ERROR: Failed to build 'apache-flink' when installing build dependencies for apache-flink

  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-1.12.6-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/tmpq5ltb_qs/venv/lib/python3.13t/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 389, in <module>
                main()
                ~~~~^^
              File "/tmp/tmpq5ltb_qs/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/tmpq5ltb_qs/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-5polye9u/overlay/lib/python3.13t/site-packages/setuptools/build_meta.py", line 333, in get_requires_for_build_wheel
                return self._get_build_requires(config_settings, requirements=[])
                       ~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
              File "/tmp/pip-build-env-5polye9u/overlay/lib/python3.13t/site-packages/setuptools/build_meta.py", line 301, in _get_build_requires
                self.run_setup()
                ~~~~~~~~~~~~~~^^
              File "/tmp/pip-build-env-5polye9u/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