× Building wheel for msgpack (pyproject.toml) did not run successfully.
  │ exit code: 1
  ╰─> [45 lines of output]
      running bdist_wheel
      running build
      running build_py
      creating build
      creating build/lib.linux-x86_64-cpython-313
      creating build/lib.linux-x86_64-cpython-313/msgpack
      copying msgpack/fallback.py -> build/lib.linux-x86_64-cpython-313/msgpack
      copying msgpack/__init__.py -> build/lib.linux-x86_64-cpython-313/msgpack
      copying msgpack/exceptions.py -> build/lib.linux-x86_64-cpython-313/msgpack
      copying msgpack/ext.py -> build/lib.linux-x86_64-cpython-313/msgpack
      running build_ext
      building 'msgpack._cmsgpack' extension
      creating build/temp.linux-x86_64-cpython-313
      creating build/temp.linux-x86_64-cpython-313/msgpack
      gcc -pthread -fno-strict-overflow -Wsign-compare -DNDEBUG -g -O3 -Wall -fPIC -I. -I/home/runner/work/pydoctor/pydoctor/.tox/test/include -I/opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13 -c msgpack/_cmsgpack.cpp -o build/temp.linux-x86_64-cpython-313/msgpack/_cmsgpack.o
      msgpack/_cmsgpack.cpp:1366:72: warning: ‘Py_UNICODE’ is deprecated [-Wdeprecated-declarations]
       1366 | static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u)
            |                                                                        ^
      In file included from /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/unicodeobject.h:1014,
                       from /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/Python.h:65,
                       from msgpack/_cmsgpack.cpp:16:
      /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/cpython/unicodeobject.h:10:37: note: declared here
         10 | Py_DEPRECATED(3.13) typedef wchar_t Py_UNICODE;
            |                                     ^~~~~~~~~~
      msgpack/_cmsgpack.cpp: In function ‘size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE*)’:
      msgpack/_cmsgpack.cpp:1368:23: warning: ‘Py_UNICODE’ is deprecated [-Wdeprecated-declarations]
       1368 |     const Py_UNICODE *u_end = u;
            |                       ^~~~~
      In file included from /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/unicodeobject.h:1014,
                       from /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/Python.h:65,
                       from msgpack/_cmsgpack.cpp:16:
      /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/cpython/unicodeobject.h:10:37: note: declared here
         10 | Py_DEPRECATED(3.13) typedef wchar_t Py_UNICODE;
            |                                     ^~~~~~~~~~
      In file included from /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/internal/pycore_code.h:461,
                       from /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/internal/pycore_frame.h:13,
                       from msgpack/_cmsgpack.cpp:22559:
      /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/internal/pycore_backoff.h: In function ‘_Py_BackoffCounter make_backoff_counter(uint16_t, uint16_t)’:
      /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/internal/pycore_backoff.h:47:44: warning: narrowing conversion of ‘backoff’ from ‘uint16_t’ {aka ‘short unsigned int’} to ‘unsigned char:4’ [-Wnarrowing]
         47 |     return (_Py_BackoffCounter){.backoff = backoff, .value = value};
            |                                            ^~~~~~~
      /opt/hostedtoolcache/Python/3.13.0-alpha.6/x64/include/python3.13/internal/pycore_backoff.h:47:67: error: too many initializers for ‘_Py_BackoffCounter’
         47 |     return (_Py_BackoffCounter){.backoff = backoff, .value = value};
            |                                                                   ^
      error: command '/usr/bin/gcc' failed with exit code 1
      [end of output]