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-oifl4vs8 --interpreter /tmp/tmpiirq559v/venv/bin/python`
      error: failed to parse lock file at: /tmp/pip-install-s7v16bv0/rpds-py_f5a6ae5e3c054635bebe41e1e0cae080/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-oifl4vs8', '--interpreter', '/tmp/tmpiirq559v/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.

     ^~~~~~~~~~~~~~~
      uvloop/loop.c: At top level:
      uvloop/loop.c:207203:69: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
      207203 | static PyObject *__Pyx_PyVectorcall_FastCallDict_kw(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
             |                                                                     ^~~~~~~~~~~~~~~~~~~~
             |                                                                     vectorcallfunc
      uvloop/loop.c:207248:80: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
      207248 | static CYTHON_INLINE PyObject *__Pyx_PyVectorcall_FastCallDict(PyObject *func, __pyx_vectorcallfunc vc, PyObject *const *args, size_t nargs, PyObject *kw)
             |                                                                                ^~~~~~~~~~~~~~~~~~~~
             |                                                                                vectorcallfunc
      uvloop/loop.c: In function ‘__Pyx_CyFunction_CallAsMethod’:
      uvloop/loop.c:207937:6: error: unknown type name ‘__pyx_vectorcallfunc’; did you mean ‘vectorcallfunc’?
      207937 |      __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
             |      ^~~~~~~~~~~~~~~~~~~~
             |      vectorcallfunc
      uvloop/loop.c:4627:45: 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]
       4627 | #define __Pyx_CyFunction_func_vectorcall(f) (((PyCFunctionObject*)f)->vectorcall)
            |                                             ^
      uvloop/loop.c:207937:32: note: in expansion of macro ‘__Pyx_CyFunction_func_vectorcall’
      207937 |      __pyx_vectorcallfunc vc = __Pyx_CyFunction_func_vectorcall(cyfunc);
             |                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      uvloop/loop.c:207940:16: warning: implicit declaration of function ‘__Pyx_PyVectorcall_FastCallDict’; did you mean ‘__Pyx_PyObject_FastCallDict’? [-Wimplicit-function-declaration]
      207940 |         return __Pyx_PyVectorcall_FastCallDict(func, vc, &PyTuple_GET_ITEM(args, 0), (size_t)PyTuple_GET_SIZE(args), kw);
             |                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
             |                __Pyx_PyObject_FastCallDict
      uvloop/loop.c:207940:16: warning: returning ‘int’ from a function with return type ‘PyObject *’ {aka ‘struct _object *’} makes pointer from integer without a cast [-Wint-conversion]
      207940 |         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 uvloop
  error: subprocess-exited-with-error
  
  × Building wheel for watchfiles (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [14 lines of output]
      Running `maturin pep517 build-wheel -i /tmp/tmpmg3vfinj/venv/bin/python --compatibility off`
      📦 Including license file "/tmp/pip-install-x97f30c0/watchfiles_09a9f4cdfcbd4c228598111a740fdf50/LICENSE"
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings
      🐍 Found CPython 3.14t at /tmp/tmpmg3vfinj/venv/bin/python
      📡 Using build options bindings from pyproject.toml
      error: package `notify-types v1.0.1` cannot be built because it requires rustc 1.72 or newer, while the currently active rustc version is 1.63.0
      Either upgrade to rustc 1.72 or newer, or use
      cargo update -p notify-types@1.0.1 --precise ver
      where `ver` is the latest version of `notify-types` 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/tmpmg3vfinj/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpmg3vfinj/venv/bin/python" "cargo" "rustc" "--message-format" "json-render-diagnostics" "--manifest-path" "/tmp/pip-install-x97f30c0/watchfiles_09a9f4cdfcbd4c228598111a740fdf50/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpmg3vfinj/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 watchfiles
ERROR: Failed to build installable wheels for some pyproject.toml based projects (httptools, uvloop, watchfiles)

ERROR: Could not find a version that satisfies the requirement psycopg-binary==3.2.9 (from versions: none)
ERROR: No matching distribution found for psycopg-binary==3.2.9

  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-ggdy3jag --interpreter /tmp/tmpq5gngy47/venv/bin/python`
      error: failed to parse lock file at: /tmp/pip-install-cnuz42jl/rpds-py_27217621b30c4f9c8234fab8b335c147/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-ggdy3jag', '--interpreter', '/tmp/tmpq5gngy47/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: DeprecationWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html
      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.

d in this scope
        287 |     if (_Py_IsOwnedByCurrentThread(op)) {
            |         ^~~~~~~~~~~~~~~~~~~~~~~~~~
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/refcount.h:288:9: error: ‘_Py_atomic_store_uint32_relaxed’ was not declared in this scope
        288 |         _Py_atomic_store_uint32_relaxed(&op->ob_ref_local, new_local);
            |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/refcount.h:291:9: error: ‘_Py_atomic_add_ssize’ was not declared in this scope; did you mean ‘__atomic_add_fetch’?
        291 |         _Py_atomic_add_ssize(&op->ob_ref_shared, (1 << _Py_REF_SHARED_SHIFT));
            |         ^~~~~~~~~~~~~~~~~~~~
            |         __atomic_add_fetch
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/refcount.h: In function ‘void Py_DECREF(PyObject*)’:
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/refcount.h:377:22: error: ‘_Py_atomic_load_uint32_relaxed’ was not declared in this scope
        377 |     uint32_t local = _Py_atomic_load_uint32_relaxed(&op->ob_ref_local);
            |                      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/refcount.h:383:9: error: ‘_Py_IsOwnedByCurrentThread’ was not declared in this scope
        383 |     if (_Py_IsOwnedByCurrentThread(op)) {
            |         ^~~~~~~~~~~~~~~~~~~~~~~~~~
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/refcount.h:385:9: error: ‘_Py_atomic_store_uint32_relaxed’ was not declared in this scope
        385 |         _Py_atomic_store_uint32_relaxed(&op->ob_ref_local, local);
            |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/refcount.h:387:13: error: ‘_Py_MergeZeroLocalRefcount’ was not declared in this scope
        387 |             _Py_MergeZeroLocalRefcount(op);
            |             ^~~~~~~~~~~~~~~~~~~~~~~~~~
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/refcount.h:391:9: error: ‘_Py_DecRefShared’ was not declared in this scope; did you mean ‘_Py_DecRef’?
        391 |         _Py_DecRefShared(op);
            |         ^~~~~~~~~~~~~~~~
            |         _Py_DecRef
      /tmp/pip-install-kgzsqppy/opencv-python-headless_2074ae19dc894c56a61d855a29d1c74e/opencv/modules/python/src2/cv2.cpp: At global scope:
      /tmp/pip-install-kgzsqppy/opencv-python-headless_2074ae19dc894c56a61d855a29d1c74e/opencv/modules/python/src2/cv2.cpp:586:1: error: too many initializers for ‘PyObject’ {aka ‘_object’}
        586 | };
            | ^
      gmake[2]: *** [modules/python3/CMakeFiles/opencv_python3.dir/build.make:79: modules/python3/CMakeFiles/opencv_python3.dir/__/src2/cv2.cpp.o] Error 1
      gmake[1]: *** [CMakeFiles/Makefile2:2992: modules/python3/CMakeFiles/opencv_python3.dir/all] Error 2
      gmake: *** [Makefile:166: all] Error 2
      Traceback (most recent call last):
        File "/tmp/pip-build-env-6u7co2a4/overlay/lib/python3.14t/site-packages/skbuild/setuptools_wrap.py", line 668, in setup
          cmkr.make(make_args, install_target=cmake_install_target, env=env)
          ~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        File "/tmp/pip-build-env-6u7co2a4/overlay/lib/python3.14t/site-packages/skbuild/cmaker.py", line 696, in make
          self.make_impl(clargs=clargs, config=config, source_dir=source_dir, install_target=install_target, env=env)
          ~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
        File "/tmp/pip-build-env-6u7co2a4/overlay/lib/python3.14t/site-packages/skbuild/cmaker.py", line 741, in make_impl
          raise SKBuildError(msg)
      
      An error occurred while building with CMake.
        Command:
          /tmp/pip-build-env-6u7co2a4/normal/lib/python3.14t/site-packages/cmake/data/bin/cmake --build . --target install --config Release --
        Install target:
          install
        Source directory:
          /tmp/pip-install-kgzsqppy/opencv-python-headless_2074ae19dc894c56a61d855a29d1c74e
        Working directory:
          /tmp/pip-install-kgzsqppy/opencv-python-headless_2074ae19dc894c56a61d855a29d1c74e/_skbuild/linux-x86_64-3.14/cmake-build
      Please check the install target is valid and see CMake's output for more information.
      
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for opencv-python-headless
ERROR: Failed to build installable wheels for some pyproject.toml based projects (opencv-python-headless)

     ^~~~~~~~~~~~~~~~~~~~
            |                                                                                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: 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/tmpcjb2y3ug/venv/bin/python --compatibility off`
      📦 Including license file "/tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/LICENSE"
      📦 Including license file "/tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/LICENSE.APACHE"
      📦 Including license file "/tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/LICENSE.BSD"
      🍹 Building a mixed python/rust project
      🔗 Found pyo3 bindings with abi3 support
      🐍 Found CPython 3.14t at /tmp/tmpcjb2y3ug/venv/bin/python
      📡 Using build options locked from pyproject.toml
      ⚠️ Warning: CPython 3.14t at /tmp/tmpcjb2y3ug/venv/bin/python does not yet support abi3 so the build artifacts will be version-specific.
      warning: /tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/src/rust/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/src/rust/cryptography-key-parsing/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/src/rust/cryptography-openssl/Cargo.toml: unused manifest key: lints
      warning: /tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/src/rust/cryptography-cffi/Cargo.toml: unused manifest key: lints
      error: package `cryptography-cffi v0.1.0 (/tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/src/rust/cryptography-cffi)` 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/tmpcjb2y3ug/venv/bin/python" PYTHON_SYS_EXECUTABLE="/tmp/tmpcjb2y3ug/venv/bin/python" "cargo" "rustc" "--message-format" "json-render-diagnostics" "--locked" "--manifest-path" "/tmp/pip-install-czw5z9ic/cryptography_020be8cb1ddd499ea4fecee7d2295a88/src/rust/Cargo.toml" "--release" "--lib"`
      Error: command ['maturin', 'pep517', 'build-wheel', '-i', '/tmp/tmpcjb2y3ug/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 (aiohttp, cryptography)

  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-c_i689n1 --interpreter /tmp/tmp2phj0f14/venv/bin/python`
      error: failed to parse lock file at: /tmp/pip-install-ywiun5d4/nh3_7e46c5a8a7b2440791e5bea56b9ea9fe/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-c_i689n1', '--interpreter', '/tmp/tmp2phj0f14/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
  
  × 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-0wi8h_m6 --interpreter /tmp/tmpic3yemq0/venv/bin/python`
      error: failed to parse lock file at: /tmp/pip-install-u4krtmc4/rpds-py_93b30530f3db41498fc3d2b8eded649b/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-0wi8h_m6', '--interpreter', '/tmp/tmpic3yemq0/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.

uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t -c srsly/msgpack/_unpacker.cpp -o build/temp.linux-x86_64-cpython-314t/srsly/msgpack/_unpacker.o -O2 -Wno-strict-prototypes -Wno-unused-function
      cc1plus: warning: command-line option ‘-Wno-strict-prototypes’ is valid for C/ObjC but not for C++
      srsly/msgpack/_unpacker.cpp:877:72: warning: ‘Py_UNICODE’ is deprecated [-Wdeprecated-declarations]
        877 | static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) {
            |                                                                        ^
      In file included from /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/unicodeobject.h:1018,
                       from /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/Python.h:81,
                       from srsly/msgpack/_unpacker.cpp:35:
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/cpython/unicodeobject.h:10:37: note: declared here
         10 | Py_DEPRECATED(3.13) typedef wchar_t Py_UNICODE;
            |                                     ^~~~~~~~~~
      srsly/msgpack/_unpacker.cpp: In function ‘size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE*)’:
      srsly/msgpack/_unpacker.cpp:878:23: warning: ‘Py_UNICODE’ is deprecated [-Wdeprecated-declarations]
        878 |     const Py_UNICODE *u_end = u;
            |                       ^~~~~
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/cpython/unicodeobject.h:10:37: note: declared here
         10 | Py_DEPRECATED(3.13) typedef wchar_t Py_UNICODE;
            |                                     ^~~~~~~~~~
      srsly/msgpack/_unpacker.cpp: In function ‘int __pyx_f_5srsly_7msgpack_9_unpacker_get_data_from_buffer(PyObject*, Py_buffer*, char**, Py_ssize_t*, int*)’:
      srsly/msgpack/_unpacker.cpp:2605:17: error: ‘PyObject_AsReadBuffer’ was not declared in this scope; did you mean ‘PyObject_GetBuffer’?
       2605 |     __pyx_t_2 = PyObject_AsReadBuffer(__pyx_v_obj, ((void const **)__pyx_v_buf), __pyx_v_buffer_len); if (unlikely(__pyx_t_2 == ((int)-1))) __PYX_ERR(0, 136, __pyx_L1_error)
            |                 ^~~~~~~~~~~~~~~~~~~~~
            |                 PyObject_GetBuffer
      srsly/msgpack/_unpacker.cpp: In function ‘long int __Pyx_PyInt_As_long(PyObject*)’:
      srsly/msgpack/_unpacker.cpp:9638:46: error: too few arguments to function ‘int _PyLong_AsByteArray(PyLongObject*, unsigned char*, size_t, int, int, int)’
       9638 |                 int ret = _PyLong_AsByteArray((PyLongObject *)v,
            |                           ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
       9639 |                                               bytes, sizeof(val),
            |                                               ~~~~~~~~~~~~~~~~~~~
       9640 |                                               is_little, !is_unsigned);
            |                                               ~~~~~~~~~~~~~~~~~~~~~~~~
      In file included from /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/longobject.h:119,
                       from /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/Python.h:83:
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/cpython/longobject.h:135:17: note: declared here
        135 | PyAPI_FUNC(int) _PyLong_AsByteArray(PyLongObject* v,
            |                 ^~~~~~~~~~~~~~~~~~~
      srsly/msgpack/_unpacker.cpp: In function ‘int __Pyx_PyInt_As_int(PyObject*)’:
      srsly/msgpack/_unpacker.cpp:9834:46: error: too few arguments to function ‘int _PyLong_AsByteArray(PyLongObject*, unsigned char*, size_t, int, int, int)’
       9834 |                 int ret = _PyLong_AsByteArray((PyLongObject *)v,
            |                           ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
       9835 |                                               bytes, sizeof(val),
            |                                               ~~~~~~~~~~~~~~~~~~~
       9836 |                                               is_little, !is_unsigned);
            |                                               ~~~~~~~~~~~~~~~~~~~~~~~~
      /root/.local/share/uv/python/cpython-3.14.0a7+freethreaded-linux-x86_64-gnu/include/python3.14t/cpython/longobject.h:135:17: note: declared here
        135 | PyAPI_FUNC(int) _PyLong_AsByteArray(PyLongObject* v,
            |                 ^~~~~~~~~~~~~~~~~~~
      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 srsly
ERROR: Failed to build installable wheels for some pyproject.toml based projects (thinc, pydantic-core, srsly)