:: Synchronizing package databases... build-support-manual downloading... build-support downloading... core-staging downloading... extra-staging downloading... core-testing downloading... core downloading... extra-testing downloading... extra downloading... :: Starting full system upgrade... there is nothing to do ==> Building in chroot for [extra-staging-with-build-support] (pentium4)... ==> Synchronizing chroot copy [/var/lib/archbuild/extra-staging-with-build-support-pentium4/root] -> [build]...done ==> Making package: python-fastapi 0.115.12-1.0 (Fri Mar 28 10:44:57 2025) ==> Retrieving sources... -> Found fastapi-0.115.12.tar.gz -> Found 0001-Allow-httpx-0.28.x-relax-pins.patch ==> Validating source files with sha512sums... fastapi-0.115.12.tar.gz ... Passed 0001-Allow-httpx-0.28.x-relax-pins.patch ... Passed ==> Validating source files with b2sums... fastapi-0.115.12.tar.gz ... Passed 0001-Allow-httpx-0.28.x-relax-pins.patch ... Passed gpg: Warning: using insecure memory! ==> Appending keys from archlinux32.gpg... gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! gpg: Warning: using insecure memory! ==> Updating trust database... gpg: Warning: using insecure memory! gpg: next trustdb check due at 2025-06-16 ==> Making package: python-fastapi 0.115.12-1.0 (Fri Mar 28 10:45:00 2025) ==> Checking runtime dependencies... ==> Installing missing dependencies... resolving dependencies... looking for conflicting packages... Packages (12) python-annotated-types-0.7.0-1.0 python-click-8.1.7-3.2 python-dotenv-1.0.1-2.2 python-idna-3.10-1.0 python-sniffio-1.3.1-3.1 python-anyio-4.6.2.post1-1.0 python-pydantic-2.9.2-1.0 python-pydantic-core-1:2.23.4-1.0 python-pydantic-extra-types-2.10.0-1.0 python-pydantic-settings-2.6.1-1.0 python-starlette-0.42.0-1.0 python-typing_extensions-4.12.2-1.0 Total Installed Size: 15.38 MiB :: Proceed with installation? [Y/n] checking keyring... checking package integrity... loading package files... checking for file conflicts... :: Processing package changes... installing python-idna... installing python-sniffio... installing python-anyio... Optional dependencies for python-anyio python-trio: trio backend python-outcome: trio backend python-uvloop: use uvloop for asyncio backend python-pytest: pytest plugin installing python-annotated-types... installing python-typing_extensions... installing python-pydantic-core... installing python-pydantic... Optional dependencies for python-pydantic mypy: for type validation with mypy python-dotenv: for .env file support [pending] python-email-validator: for email validation python-hypothesis: for hypothesis plugin when using legacy v1 installing python-pydantic-extra-types... Optional dependencies for python-pydantic-extra-types python-pendulum: for datetime support python-phonenumbers: for phone number support python-pycountry: for country code support python-pytz: for timezone support python-semver: for semantic versioning support python-tzdata: for timezone support python-ulid: for ULID support installing python-click... installing python-dotenv... Optional dependencies for python-dotenv ipython: ipython support installing python-pydantic-settings... Optional dependencies for python-pydantic-settings python-pyyaml: for YAML support installing python-starlette... Optional dependencies for python-starlette python-itsdangerous: for session middleware support python-jinja: for jinja templates python-python-multipart: for form parsing python-pyyaml: for schema generator python-httpx: for test client :: Running post-transaction hooks... (1/1) Arming ConditionNeedsUpdate... ==> Checking buildtime dependencies... ==> Installing missing dependencies... resolving dependencies... looking for conflicting packages... Packages (9) python-pyproject-hooks-1.2.0-3.0 python-pyproject-metadata-0.9.0-1.0 python-pytz-2024.2-1.0 python-tomli-w-1.0.0-7.1 python-build-1.2.2-3.0 python-dirty-equals-0.8.0-1.0 python-installer-1-1.0 python-pdm-backend-2.4.3-1.0 python-wheel-1-1.0 Total Installed Size: 3.01 MiB :: Proceed with installation? [Y/n] checking keyring... checking package integrity... loading package files... checking for file conflicts... :: Processing package changes... installing python-pyproject-hooks... installing python-build... installing python-pytz... installing python-dirty-equals... Optional dependencies for python-dirty-equals python-pydantic: for pydantic support [installed] installing python-installer... installing python-pyproject-metadata... installing python-tomli-w... installing python-pdm-backend... Optional dependencies for python-pdm-backend python-setuptools: for setuptools support python-editables: for editables backend support installing python-wheel... :: Running post-transaction hooks... (1/1) Arming ConditionNeedsUpdate... ==> Retrieving sources... -> Found fastapi-0.115.12.tar.gz -> Found 0001-Allow-httpx-0.28.x-relax-pins.patch ==> WARNING: Skipping all source file integrity checks. ==> Extracting sources... -> Extracting fastapi-0.115.12.tar.gz with bsdtar ==> Starting prepare()... patching file requirements-docs-tests.txt Hunk #1 succeeded at 1 with fuzz 1. patching file requirements-github-actions.txt Hunk #1 succeeded at 1 with fuzz 2. patching file tests/test_tutorial/test_custom_request_and_route/test_tutorial002.py ==> Starting build()... * Building wheel... Traceback (most recent call last): File "/usr/lib/python3.13/site-packages/pyproject_hooks/_impl.py", line 402, in _call_hook raise BackendUnavailable( ...<4 lines>... ) pyproject_hooks._impl.BackendUnavailable: Cannot import 'pdm.backend' ERROR Backend 'pdm.backend' is not available. ==> ERROR: A failure occurred in build(). Aborting... ==> ERROR: Build failed, check /var/lib/archbuild/extra-staging-with-build-support-pentium4/build/build used straw: :with_build_support:without_check: build@euronuc.lan