these 2 derivations will be built:
  /nix/store/5wpnysz098qw0xyrs9d3m99fwnnpx7aa-spec-kit-1.1.3.drv
  /nix/store/zg3d3q92i1kk90pbr7znzlq4qw4yq7fb-check-spec-kit.drv
building '/nix/store/5wpnysz098qw0xyrs9d3m99fwnnpx7aa-spec-kit-1.1.3.drv'
spec-kit-1.1.3> Sourcing python-remove-tests-dir-hook
spec-kit-1.1.3> Sourcing python-catch-conflicts-hook.sh
spec-kit-1.1.3> Sourcing python-remove-bin-bytecode-hook.sh
spec-kit-1.1.3> Sourcing pypa-build-hook
spec-kit-1.1.3> Using pypaBuildPhase
spec-kit-1.1.3> Sourcing python-runtime-deps-check-hook
spec-kit-1.1.3> Using pythonRuntimeDepsCheckHook
spec-kit-1.1.3> Sourcing pypa-install-hook
spec-kit-1.1.3> Using pypaInstallPhase
spec-kit-1.1.3> Sourcing python-imports-check-hook.sh
spec-kit-1.1.3> Using pythonImportsCheckPhase
spec-kit-1.1.3> Sourcing python-namespaces-hook
spec-kit-1.1.3> Sourcing python-catch-conflicts-hook.sh
spec-kit-1.1.3> Running phase: unpackPhase
spec-kit-1.1.3> unpacking source archive /nix/store/mr67639a44dp0yjx1jwyic20wvshbckv-source
spec-kit-1.1.3> source root is source
spec-kit-1.1.3> setting SOURCE_DATE_EPOCH to timestamp 315619200 of file "source/workflows/step-catalog.json"
spec-kit-1.1.3> Running phase: patchPhase
spec-kit-1.1.3> Running phase: updateAutotoolsGnuConfigScriptsPhase
spec-kit-1.1.3> Running phase: configurePhase
spec-kit-1.1.3> no configure script, doing nothing
spec-kit-1.1.3> Running phase: buildPhase
spec-kit-1.1.3> Executing pypaBuildPhase
spec-kit-1.1.3> Creating a wheel...
spec-kit-1.1.3> pypa build flags: --no-isolation --outdir dist/ --wheel
spec-kit-1.1.3> * Getting build dependencies for wheel...
spec-kit-1.1.3> * Building wheel...
spec-kit-1.1.3> Successfully built specify_cli-1.1.3-py3-none-any.whl
spec-kit-1.1.3> Finished creating a wheel...
spec-kit-1.1.3> Finished executing pypaBuildPhase
spec-kit-1.1.3> Running phase: pythonRuntimeDepsCheckHook
spec-kit-1.1.3> Executing pythonRuntimeDepsCheck
spec-kit-1.1.3> Checking runtime dependencies for specify_cli-1.1.3-py3-none-any.whl
spec-kit-1.1.3>   - mcp not installed
spec-kit-1.1.3>   - pydantic not installed
error: Cannot build '/nix/store/5wpnysz098qw0xyrs9d3m99fwnnpx7aa-spec-kit-1.1.3.drv'.
       Reason: builder failed with exit code 1.
       Output paths:
         /nix/store/41h6dg2zx5pszacfr4nwrh7r9091942z-spec-kit-1.1.3-dist
         /nix/store/5qbmvyiz0ygk2h2v1gnk0ka6vi4caa8y-spec-kit-1.1.3
       Last 25 log lines:
       > Using pythonImportsCheckPhase
       > Sourcing python-namespaces-hook
       > Sourcing python-catch-conflicts-hook.sh
       > Running phase: unpackPhase
       > unpacking source archive /nix/store/mr67639a44dp0yjx1jwyic20wvshbckv-source
       > source root is source
       > setting SOURCE_DATE_EPOCH to timestamp 315619200 of file "source/workflows/step-catalog.json"
       > Running phase: patchPhase
       > Running phase: updateAutotoolsGnuConfigScriptsPhase
       > Running phase: configurePhase
       > no configure script, doing nothing
       > Running phase: buildPhase
       > Executing pypaBuildPhase
       > Creating a wheel...
       > pypa build flags: --no-isolation --outdir dist/ --wheel
       > * Getting build dependencies for wheel...
       > * Building wheel...
       > Successfully built specify_cli-1.1.3-py3-none-any.whl
       > Finished creating a wheel...
       > Finished executing pypaBuildPhase
       > Running phase: pythonRuntimeDepsCheckHook
       > Executing pythonRuntimeDepsCheck
       > Checking runtime dependencies for specify_cli-1.1.3-py3-none-any.whl
       >   - mcp not installed
       >   - pydantic not installed
       For full logs, run:
         nix log /nix/store/5wpnysz098qw0xyrs9d3m99fwnnpx7aa-spec-kit-1.1.3.drv
error: Cannot build '/nix/store/zg3d3q92i1kk90pbr7znzlq4qw4yq7fb-check-spec-kit.drv'.
       Reason: 1 dependency failed.
       Output paths:
         /nix/store/ds4bmy46wn4zcannyv1zaym4c24r7b2j-check-spec-kit