:: 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: jupyter-nbformat 5.10.4-3.0 (Thu May 8 09:11:58 2025) ==> Retrieving sources... -> Found nbformat-5.10.4.tar.gz ==> Validating source files with sha256sums... nbformat-5.10.4.tar.gz ... 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 2025-07-01 ==> Making package: jupyter-nbformat 5.10.4-3.0 (Thu May 8 09:12:01 2025) ==> Checking runtime dependencies... ==> Installing missing dependencies... resolving dependencies... looking for conflicting packages... Packages (11) python-argcomplete-3.4.0-1.0 python-attrs-23.2.0-3.0 python-jsonschema-specifications-2023.12.1-2.1 python-platformdirs-4.3.6-1.0 python-referencing-0.35.1-1.0 python-rpds-py-0.19.0-1.0 python-typing_extensions-4.12.2-1.0 python-fastjsonschema-2.20.0-1.0 python-jsonschema-4.23.0-1.0 python-jupyter-core-5.7.2-2.1 python-traitlets-5.14.3-2.1 Total Installed Size: 5.42 MiB :: Proceed with installation? [Y/n] checking keyring... checking package integrity... loading package files... checking for file conflicts... :: Processing package changes... installing python-fastjsonschema... installing python-attrs... installing python-rpds-py... installing python-referencing... installing python-jsonschema-specifications... installing python-jsonschema... Optional dependencies for python-jsonschema python-isoduration: for duration format python-fqdn: for hostname format python-idna: for idn-hostname format python-jsonpointer: for json-pointer & relative-json-pointer format python-rfc3339-validator: for date-time format python-rfc3987: for iri, iri-reference, uri & uri-reference format python-uri-template: for uri-template format python-webcolors: for color format installing python-argcomplete... installing python-typing_extensions... installing python-traitlets... installing python-platformdirs... installing python-jupyter-core... :: Running post-transaction hooks... (1/1) Arming ConditionNeedsUpdate... ==> Checking buildtime dependencies... ==> Installing missing dependencies... resolving dependencies... looking for conflicting packages... Packages (13) python-editables-0.5-3.1 python-hatchling-1.25.0-1.0 python-iniconfig-2.0.0-5.1 python-pathspec-0.12.1-2.1 python-pluggy-1.5.0-3.0 python-pyproject-hooks-1.2.0-3.1 python-trove-classifiers-2024.10.21.16-1.0 python-build-1-1.3 python-hatch-nodejs-version-0.3.2-2.0 python-installer-1-1.3 python-pep440-0.1.2-4.0 python-pytest-1:8.3.3-1.0 python-testpath-0.6.0-3.1 Total Installed Size: 7.05 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-installer... installing python-pathspec... installing python-pluggy... installing python-editables... installing python-trove-classifiers... installing python-hatchling... installing python-hatch-nodejs-version... installing python-pep440... installing python-iniconfig... installing python-pytest... installing python-testpath... :: Running post-transaction hooks... (1/1) Arming ConditionNeedsUpdate... ==> Retrieving sources... -> Found nbformat-5.10.4.tar.gz ==> WARNING: Skipping all source file integrity checks. ==> Extracting sources... -> Extracting nbformat-5.10.4.tar.gz with bsdtar ==> 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 'hatchling.build' ERROR Backend 'hatchling.build' 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: build@euronuc.lan