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 Running phase: unpackPhase unpacking source archive /nix/store/qs6656fsjmpbl6dm2czzc2nbxg9nijrh-source source root is source setting SOURCE_DATE_EPOCH to timestamp 315619200 of file "source/v3-notes/visibility.md" 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 3.3.1 Creating a wheel... pypa build flags: --no-isolation --outdir dist/ --wheel * Getting build dependencies for wheel... * Building wheel... Successfully built fastmcp-3.3.1-py3-none-any.whl Finished creating a wheel... Finished executing pypaBuildPhase Running phase: pythonRuntimeDepsCheckHook Executing pythonRuntimeDepsCheck Checking runtime dependencies for fastmcp-3.3.1-py3-none-any.whl Finished executing pythonRuntimeDepsCheck Running phase: installPhase Executing pypaInstallPhase Successfully installed fastmcp-3.3.1-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/mlf3yqz5rfmh43iap8bxl2fykby02jiq-python3.14-fastmcp-3.3.1-dist checking for references to /build/ in /nix/store/mlf3yqz5rfmh43iap8bxl2fykby02jiq-python3.14-fastmcp-3.3.1-dist... patching script interpreter paths in /nix/store/mlf3yqz5rfmh43iap8bxl2fykby02jiq-python3.14-fastmcp-3.3.1-dist shrinking RPATHs of ELF executables and libraries in /nix/store/4v77l9lnh1xdd0l92kwhy4j7vic51l6a-python3.14-fastmcp-3.3.1 checking for references to /build/ in /nix/store/4v77l9lnh1xdd0l92kwhy4j7vic51l6a-python3.14-fastmcp-3.3.1... patching script interpreter paths in /nix/store/4v77l9lnh1xdd0l92kwhy4j7vic51l6a-python3.14-fastmcp-3.3.1 stripping (with command strip and flags -S -p) in /nix/store/4v77l9lnh1xdd0l92kwhy4j7vic51l6a-python3.14-fastmcp-3.3.1/lib Executing pythonRemoveTestsDir Finished executing pythonRemoveTestsDir Running phase: pythonCatchConflictsPhase Running phase: pythonRemoveBinBytecodePhase Running phase: pythonImportsCheckPhase Executing pythonImportsCheckPhase Check whether the following modules can be imported: fastmcp Running phase: pythonMetadataCheckPhase Executing pythonMetadataCheckPhase