Free-threaded Python Library Compatibility Checker

  error: subprocess-exited-with-error
  
  × Building wheel for pydantic-core (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [15 lines of output]
      Running `maturin pep517 build-wheel -i /tmp/tmpr0ijc69q/venv/bin/python --compatibility off`
      📦 Including license file "LICENSE"
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings
      🐍 Found CPython 3.14t at /tmp/tmpr0ijc69q/venv/bin/python
      📡 Using build options features, bindings from pyproject.toml
      warning: unused manifest key: lints
      error: package `litemap v0.7.3` cannot be built because it requires rustc 1.67 or newer, while the currently active rustc version is 1.63.0
      Either upgrade to rustc 1.67 or newer, or use
      cargo update -p litemap@0.7.3 --precise ver
      where `ver` is the latest version of `litemap` 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-3.14-64bit" PYO3_PYTHON="/tmp/tmpr0ijc69q/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpr0ijc69q/venv/bin/python" "cargo" "rustc" "--features" "pyo3/extension-module" "--message-format" "json-render-diagnostics" "--manifest-path" "/tmp/pip-install-19qm_oh6/pydantic-core_45928d8c33024f95affd2b17d6336d16/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpr0ijc69q/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 pydantic-core
ERROR: Failed to build installable wheels for some pyproject.toml based projects (pydantic-core)

  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/tmpon6cbhu4/venv/bin/python --compatibility off`
      📦 Including license file "/tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/LICENSE"
      📦 Including license file "/tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/LICENSE.APACHE"
      📦 Including license file "/tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/LICENSE.BSD"
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings with abi3 support
      🐍 Found CPython 3.14t at /tmp/tmpon6cbhu4/venv/bin/python
      📡 Using build options locked from pyproject.toml
      ⚠️ Warning: CPython 3.14t at /tmp/tmpon6cbhu4/venv/bin/python does not yet support abi3 so the build artifacts will be version-specific.
      warning: /tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/src/rust/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/src/rust/cryptography-openssl/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/src/rust/cryptography-key-parsing/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/src/rust/cryptography-cffi/Cargo.toml: unused manifest key: lints
      error: package `cryptography-openssl v0.1.0 (/tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/src/rust/cryptography-openssl)` 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-3.14-64bit" PYO3_PYTHON="/tmp/tmpon6cbhu4/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpon6cbhu4/venv/bin/python" "cargo" "rustc" "--message-format" "json-render-diagnostics" "--locked" "--manifest-path" "/tmp/pip-install-ok3nexd1/cryptography_3211b8c7ff27409ebecaba13c8cea42b/src/rust/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpon6cbhu4/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)

        json_out["return_val"] = hook(**hook_input["kwargs"])
                                   ~~~~^^^^^^^^^^^^^^^^^^^^^^^^
        File "/tmp/tmprhkr2c82/venv/lib/python3.14t/site-packages/pip/_vendor/pyproject_hooks/_in_process/_in_process.py", line 280, in build_wheel
          return _build_backend().build_wheel(
                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
              wheel_directory, config_settings, metadata_directory
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
          )
          ^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/build_meta.py", line 435, in build_wheel
          return _build(['bdist_wheel', '--dist-info-dir', str(metadata_directory)])
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/build_meta.py", line 423, in _build
          return self._build_with_temp_dir(
                 ~~~~~~~~~~~~~~~~~~~~~~~~~^
              cmd,
              ^^^^
          ...<3 lines>...
              self._arbitrary_args(config_settings),
              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
          )
          ^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/build_meta.py", line 404, in _build_with_temp_dir
          self.run_setup()
          ~~~~~~~~~~~~~~^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/build_meta.py", line 317, in run_setup
          exec(code, locals())
          ~~~~^^^^^^^^^^^^^^^^
        File "<string>", line 202, in <module>
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/__init__.py", line 115, in setup
          return distutils.core.setup(**attrs)
                 ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/core.py", line 186, in setup
          return run_commands(dist)
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/core.py", line 202, in run_commands
          dist.run_commands()
          ~~~~~~~~~~~~~~~~~^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/dist.py", line 1002, in run_commands
          self.run_command(cmd)
          ~~~~~~~~~~~~~~~~^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/dist.py", line 1102, in run_command
          super().run_command(command)
          ~~~~~~~~~~~~~~~~~~~^^^^^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/dist.py", line 1021, in run_command
          cmd_obj.run()
          ~~~~~~~~~~~^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/command/bdist_wheel.py", line 370, in run
          self.run_command("build")
          ~~~~~~~~~~~~~~~~^^^^^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/cmd.py", line 357, in run_command
          self.distribution.run_command(command)
          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/dist.py", line 1102, in run_command
          super().run_command(command)
          ~~~~~~~~~~~~~~~~~~~^^^^^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/dist.py", line 1021, in run_command
          cmd_obj.run()
          ~~~~~~~~~~~^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/command/build.py", line 135, in run
          self.run_command(cmd_name)
          ~~~~~~~~~~~~~~~~^^^^^^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/cmd.py", line 357, in run_command
          self.distribution.run_command(command)
          ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/dist.py", line 1102, in run_command
          super().run_command(command)
          ~~~~~~~~~~~~~~~~~~~^^^^^^^^^
        File "/tmp/pip-build-env-qrcafyed/overlay/lib/python3.14t/site-packages/setuptools/_distutils/dist.py", line 1021, in run_command
          cmd_obj.run()
          ~~~~~~~~~~~^^
        File "<string>", line 169, in run
        File "/root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/lib/python3.14t/subprocess.py", line 419, in check_call
          raise CalledProcessError(retcode, cmd)
      subprocess.CalledProcessError: Command '['make']' returned non-zero exit status 2.
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for pynacl
ERROR: Failed to build installable wheels for some pyproject.toml based projects (pynacl)

  error: subprocess-exited-with-error
  
  × Getting requirements to build wheel did not run successfully.
  │ exit code: 1
  ╰─> [34 lines of output]
      /tmp/pip-build-env-jvhrrol6/overlay/lib/python3.14t/site-packages/setuptools/dist.py:759: SetuptoolsDeprecationWarning: License classifiers are deprecated.
      !!
      
              ********************************************************************************
              Please consider removing the following classifiers in favor of a SPDX license expression:
      
              License :: OSI Approved :: GNU Library or Lesser General Public License (LGPL)
      
              See https://packaging.python.org/en/latest/guides/writing-pyproject-toml/#license for details.
              ********************************************************************************
      
      !!
        self._finalize_license_expression()
      running egg_info
      writing psycopg2_binary.egg-info/PKG-INFO
      writing dependency_links to psycopg2_binary.egg-info/dependency_links.txt
      writing top-level names to psycopg2_binary.egg-info/top_level.txt
      
      Error: pg_config executable not found.
      
      pg_config is required to build psycopg2 from source.  Please add the directory
      containing pg_config to the $PATH or specify the full executable path with the
      option:
      
          python setup.py build_ext --pg-config /path/to/pg_config build ...
      
      or with the pg_config option in 'setup.cfg'.
      
      If you prefer to avoid building psycopg2 from source, please install the PyPI
      'psycopg2-binary' package instead.
      
      For further information please check the 'doc/src/install.rst' file (also at
      <https://www.psycopg.org/docs/install.html>).
      
      [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.