Free-threaded Python Library Compatibility Checker

  error: subprocess-exited-with-error
  
  × Preparing metadata (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [10 lines of output]
      Checking for Rust toolchain....
      Running `maturin pep517 write-dist-info --metadata-directory /tmp/pip-modern-metadata-5f5mfu9s --interpreter /tmp/tmpyxxlasul/venv/bin/python`
      error: failed to parse lock file at: /tmp/pip-install-kk6xq6xz/cramjam_6a526cbfefed4de3bd0af93301dd79bf/Cargo.lock
      
      Caused by:
        lock file version `4` was found, but this version of Cargo does not understand this lock file, perhaps Cargo needs to be updated?
      💥 maturin failed
        Caused by: Cargo metadata failed. Does your crate compile with `cargo build`?
        Caused by: `cargo metadata` exited with an error:
      Error running maturin: Command '['maturin', 'pep517', 'write-dist-info', '--metadata-directory', '/tmp/pip-modern-metadata-5f5mfu9s', '--interpreter', '/tmp/tmpyxxlasul/venv/bin/python']' 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: metadata-generation-failed

× Encountered error while generating package metadata.
╰─> See above for output.

note: This is an issue with the package mentioned above, not pip.
hint: See above for details.

  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.

/lib/marisa/grimoire/trie/tail.o build/temp.linux-x86_64-cpython-313t/marisa-trie/lib/marisa/grimoire/vector/bit-vector.o build/temp.linux-x86_64-cpython-313t/marisa-trie/lib/marisa/keyset.o build/temp.linux-x86_64-cpython-313t/marisa-trie/lib/marisa/trie.o
      running build_ext
      building 'marisa_trie' extension
      creating build/temp.linux-x86_64-cpython-313t/src
      c++ -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -g -O3 -Wall -fPIC -fPIC -Imarisa-trie/include -I/tmp/tmpefmjx3kb/venv/include -I/root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t -c src/agent.cpp -o build/temp.linux-x86_64-cpython-313t/src/agent.o
      c++ -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -g -O3 -Wall -fPIC -fPIC -Imarisa-trie/include -I/tmp/tmpefmjx3kb/venv/include -I/root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t -c src/base.cpp -o build/temp.linux-x86_64-cpython-313t/src/base.o
      c++ -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -g -O3 -Wall -fPIC -fPIC -Imarisa-trie/include -I/tmp/tmpefmjx3kb/venv/include -I/root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t -c src/iostream.cpp -o build/temp.linux-x86_64-cpython-313t/src/iostream.o
      c++ -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -g -O3 -Wall -fPIC -fPIC -Imarisa-trie/include -I/tmp/tmpefmjx3kb/venv/include -I/root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t -c src/key.cpp -o build/temp.linux-x86_64-cpython-313t/src/key.o
      c++ -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -g -O3 -Wall -fPIC -fPIC -Imarisa-trie/include -I/tmp/tmpefmjx3kb/venv/include -I/root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t -c src/keyset.cpp -o build/temp.linux-x86_64-cpython-313t/src/keyset.o
      c++ -pthread -fno-strict-overflow -Wsign-compare -Wunreachable-code -DNDEBUG -g -O3 -Wall -fPIC -fPIC -Imarisa-trie/include -I/tmp/tmpefmjx3kb/venv/include -I/root/.local/share/uv/python/cpython-3.13.3+freethreaded-linux-x86_64-gnu/include/python3.13t -c src/marisa_trie.cpp -o build/temp.linux-x86_64-cpython-313t/src/marisa_trie.o
      src/marisa_trie.cpp:2705:80: error: ‘__pyx_vectorcallfunc’ has not been declared
       2705 | static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw);
            |                                                                                ^~~~~~~~~~~~~~~~~~~~
      src/marisa_trie.cpp:30689:69: error: ‘__pyx_vectorcallfunc’ has not been declared
      30689 | static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
            |                                                                     ^~~~~~~~~~~~~~~~~~~~
      src/marisa_trie.cpp: In function ‘PyObject* __Pyx_PyVectorcall_FastCallDict_kw(PyObject*, int, PyObject* const*, size_t, PyObject*)’:
      src/marisa_trie.cpp:30726:13: error: ‘vc’ cannot be used as a function
      30726 |     res = vc(func, newargs, nargs, kwnames);
            |           ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      src/marisa_trie.cpp: At global scope:
      src/marisa_trie.cpp:30734:80: error: ‘__pyx_vectorcallfunc’ has not been declared
      30734 | static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
            |                                                                                ^~~~~~~~~~~~~~~~~~~~
      src/marisa_trie.cpp: In function ‘PyObject* __Pyx_PyVectorcall_FastCallDict(PyObject*, int, PyObject* const*, size_t, PyObject*)’:
      src/marisa_trie.cpp:30737:18: error: ‘vc’ cannot be used as a function
      30737 |         return vc(func, args, nargs, NULL);
            |                ~~^~~~~~~~~~~~~~~~~~~~~~~~~
      src/marisa_trie.cpp: In function ‘PyObject* __Pyx_CyFunction_CallAsMethod(PyObject*, PyObject*, PyObject*)’:
      src/marisa_trie.cpp:31423:6: error: ‘__pyx_vectorcallfunc’ was not declared in this scope; did you mean ‘vectorcallfunc’?
      31423 |      __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
            |      ^~~~~~~~~~~~~~~~~~~~
            |      vectorcallfunc
      src/marisa_trie.cpp:31424:9: error: ‘vc’ was not declared in this scope
      31424 |     if (vc) {
            |         ^~
      error: command '/usr/bin/c++' 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 marisa-trie
ERROR: Failed to build installable wheels for some pyproject.toml based projects (marisa-trie)

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/tmpydgybec6/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
  ╰─> [19 lines of output]
      Running `maturin pep517 build-wheel -i /tmp/tmpyhdqjy5s/venv/bin/python --compatibility off`
      📦 Including license file "/tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/LICENSE"
      📦 Including license file "/tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/LICENSE.APACHE"
      📦 Including license file "/tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/LICENSE.BSD"
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings with abi3 support
      🐍 Found CPython 3.13t at /tmp/tmpyhdqjy5s/venv/bin/python
      📡 Using build options locked from pyproject.toml
      ⚠️ Warning: CPython 3.13t at /tmp/tmpyhdqjy5s/venv/bin/python does not yet support abi3 so the build artifacts will be version-specific.
      warning: /tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/src/rust/cryptography-openssl/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/src/rust/cryptography-key-parsing/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/src/rust/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/src/rust/cryptography-cffi/Cargo.toml: unused manifest key: lints
      error: package `cryptography-openssl v0.1.0 (/tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/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-3.13-64bit" PYO3_PYTHON="/tmp/tmpyhdqjy5s/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpyhdqjy5s/venv/bin/python" "cargo" "rustc" "--message-format" "json-render-diagnostics" "--locked" "--manifest-path" "/tmp/pip-install-3up311vz/cryptography_b55b18d4ffbd4f2b9e306456c1282188/src/rust/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpyhdqjy5s/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)