:: 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-httpx 0.28.1-2.0 (Sun May 11 03:27:30 2025)
==> Retrieving sources...
  -> Found python-httpx-0.28.1.tar.gz
  -> Found uvicorn-test-server-use-h11.diff
==> Validating source files with sha512sums...
    python-httpx-0.28.1.tar.gz ... Passed
    uvicorn-test-server-use-h11.diff ... Passed
==> Validating source files with b2sums...
    python-httpx-0.28.1.tar.gz ... Passed
    uvicorn-test-server-use-h11.diff ... 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: python-httpx 0.28.1-2.0 (Sun May 11 03:27:33 2025)
==> Checking runtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (6) python-h11-0.16.0-1.0  python-anyio-4.9.0-1.0  python-certifi-2024.08.30-1.0  python-httpcore-1.0.5-1.1  python-idna-3.10-2.0  python-sniffio-1.3.1-4.0

Total Installed Size:  3.58 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
:: Processing package changes...
installing python-certifi...
installing python-h11...
installing python-httpcore...
Optional dependencies for python-httpcore
    python-h2: for HTTP/2 support
    python-socksio: for SOCKS support
    python-anyio: for asyncio backend [pending]
    python-trio: for trio backend
    python-sniffio: for async support [pending]
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
:: Running post-transaction hooks...
(1/1) Arming ConditionNeedsUpdate...
==> Checking buildtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (10) python-editables-0.5-5.0  python-pathspec-0.12.1-3.0  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-fancy-pypi-readme-24.1.0-3.1  python-hatchling-1.25.0-1.0  python-installer-1-1.3  python-pygments-2.18.0-1.0

Total Installed Size:  14.43 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-fancy-pypi-readme...
installing python-pygments...
:: Running post-transaction hooks...
(1/1) Arming ConditionNeedsUpdate...
==> Retrieving sources...
  -> Found python-httpx-0.28.1.tar.gz
  -> Found uvicorn-test-server-use-h11.diff
==> WARNING: Skipping all source file integrity checks.
==> Extracting sources...
  -> Extracting python-httpx-0.28.1.tar.gz with bsdtar
==> Starting prepare()...
patching file tests/conftest.py
Hunk #1 succeeded at 282 with fuzz 1 (offset -22 lines).
==> Starting build()...
* Getting build dependencies for 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:without_check:
build@euronuc.lan