structuredAttrs is enabled
Sourcing python-remove-tests-dir-hook
Sourcing python-catch-conflicts-hook.sh
Sourcing python-remove-bin-bytecode-hook.sh
Sourcing pypa-build-hook
Using pypaBuildPhase
Sourcing python-runtime-deps-check-hook
Using pythonRuntimeDepsCheckHook
Sourcing pypa-install-hook
Using pypaInstallPhase
Sourcing python-imports-check-hook.sh
Using pythonImportsCheckPhase
Sourcing python-metadata-check-hook.sh
Using pythonMetadataCheckPhase
Sourcing python-namespaces-hook
Sourcing python-catch-conflicts-hook.sh
Sourcing pytest-check-hook
Using pytestCheckPhase
Running phase: unpackPhase
unpacking source archive /nix/store/0v4kg207vxr820acn080bcsvdwayh953-source
source root is source
setting SOURCE_DATE_EPOCH to timestamp 315619200 of file "source/uv.lock"
Running phase: patchPhase
Running phase: updateAutotoolsGnuConfigScriptsPhase
Running phase: configurePhase
no configure script, doing nothing
Running phase: buildPhase
Executing pypaBuildPhase
Setting UV_DYNAMIC_VERSIONING_BYPASS to 1.27.1
Creating a wheel...
pypa build flags: --no-isolation --outdir dist/ --wheel
* Getting build dependencies for wheel...
* Building wheel...
Successfully built mcp-1.27.1-py3-none-any.whl
Finished creating a wheel...
/build/source/dist /build/source
Unpacking to: unpacked/mcp-1.27.1...OK
Repacking wheel as ./mcp-1.27.1-py3-none-any.whl...OK
/build/source
Finished executing pypaBuildPhase
Running phase: pythonRuntimeDepsCheckHook
Executing pythonRuntimeDepsCheck
Checking runtime dependencies for mcp-1.27.1-py3-none-any.whl
Finished executing pythonRuntimeDepsCheck
Running phase: installPhase
Executing pypaInstallPhase
Successfully installed mcp-1.27.1-py3-none-any.whl
Finished executing pypaInstallPhase
Running phase: pythonOutputDistPhase
Executing pythonOutputDistPhase
Finished executing pythonOutputDistPhase
Running phase: fixupPhase
shrinking RPATHs of ELF executables and libraries in /nix/store/z88wd2n77rq6wqlaf7gm36dksq605f4l-python3.14-mcp-1.27.1-dist
checking for references to /build/ in /nix/store/z88wd2n77rq6wqlaf7gm36dksq605f4l-python3.14-mcp-1.27.1-dist...
patching script interpreter paths in /nix/store/z88wd2n77rq6wqlaf7gm36dksq605f4l-python3.14-mcp-1.27.1-dist
shrinking RPATHs of ELF executables and libraries in /nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1
checking for references to /build/ in /nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1...
patching script interpreter paths in /nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1
stripping (with command strip and flags -S -p) in  /nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1/lib /nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1/bin
Rewriting #!/nix/store/41m77i1296n33p6liin8ynr6wh3h6b7m-python3-3.14.6/bin/python3.14 to #!/nix/store/41m77i1296n33p6liin8ynr6wh3h6b7m-python3-3.14.6
wrapping `/nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1/bin/mcp'...
Executing pythonRemoveTestsDir
Finished executing pythonRemoveTestsDir
Running phase: installCheckPhase
no Makefile or custom installCheckPhase, doing nothing
Running phase: pythonCatchConflictsPhase
Running phase: pythonRemoveBinBytecodePhase
Running phase: pythonImportsCheckPhase
Executing pythonImportsCheckPhase
Check whether the following modules can be imported: mcp
Traceback (most recent call last):
  File "<string>", line 1, in <module>
    import sys; import importlib; list(map(lambda mod: importlib.import_module(mod), sys.argv[1:]))
                                  ~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<string>", line 1, in <lambda>
    import sys; import importlib; list(map(lambda mod: importlib.import_module(mod), sys.argv[1:]))
                                                       ~~~~~~~~~~~~~~~~~~~~~~~^^^^^
  File "/nix/store/41m77i1296n33p6liin8ynr6wh3h6b7m-python3-3.14.6/lib/python3.14/importlib/__init__.py", line 88, in import_module
    return _bootstrap._gcd_import(name[level:], package, level)
           ~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "<frozen importlib._bootstrap>", line 1406, in _gcd_import
  File "<frozen importlib._bootstrap>", line 1371, in _find_and_load
  File "<frozen importlib._bootstrap>", line 1342, in _find_and_load_unlocked
  File "<frozen importlib._bootstrap>", line 938, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 759, in exec_module
  File "<frozen importlib._bootstrap>", line 491, in _call_with_frames_removed
  File "/nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1/lib/python3.14/site-packages/mcp/__init__.py", line 4, in <module>
    from .server.session import ServerSession
  File "/nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1/lib/python3.14/site-packages/mcp/server/__init__.py", line 1, in <module>
    from .fastmcp import FastMCP
  File "/nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1/lib/python3.14/site-packages/mcp/server/fastmcp/__init__.py", line 7, in <module>
    from .server import Context, FastMCP
  File "/nix/store/y7k2n0696f5chxjmqp786mbl7yav2zy4-python3.14-mcp-1.27.1/lib/python3.14/site-packages/mcp/server/fastmcp/server.py", line 22, in <module>
    from pydantic_settings import BaseSettings, SettingsConfigDict
ModuleNotFoundError: No module named 'pydantic_settings'