:: 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] (i486)...
==> Synchronizing chroot copy [/var/lib/archbuild/extra-staging-with-build-support-i486/root] -> [build]...done
==> Making package: python-rapidfuzz 3.12.2-1.0 (Tue Mar 25 17:22:42 2025)
==> Retrieving sources...
  -> Updating python-rapidfuzz git repo...
  -> Updating github.com-taskflow-taskflow git repo...
==> Validating source files with sha512sums...
    python-rapidfuzz ... Passed
    github.com-taskflow-taskflow ... Skipped
==> Validating source files with b2sums...
    python-rapidfuzz ... Passed
    github.com-taskflow-taskflow ... Skipped
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-rapidfuzz 3.12.2-1.0 (Tue Mar 25 17:22:52 2025)
==> Checking runtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (2) mpdecimal-4.0.0-2.153  python-3.13.2-1.2

Total Installed Size:  64.51 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
:: Processing package changes...
installing mpdecimal...
installing python...
Optional dependencies for python
    python-setuptools: for building Python packages using tooling that is usually bundled with Python
    python-pip: for installing Python packages using tooling that is usually bundled with Python
    python-pipx: for installing Python software not packaged on Arch Linux
    sqlite: for a default database integration [installed]
    xz: for lzma [installed]
    tk: for tkinter
:: Running post-transaction hooks...
(1/1) Arming ConditionNeedsUpdate...
==> Checking buildtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (19) cmake-3.30.3-2.1  cppdap-1.58.0-2.0  hicolor-icon-theme-0.18-1.0  jsoncpp-1.9.6-3.0  libuv-1.49.2-1.0  ninja-1.12.1-2.0  perl-error-0.17029-7.0  perl-mailtools-2.22-1.0  perl-timedate-2.33-7.0  python-packaging-24.2-3.0  python-pathspec-0.12.1-2.1  python-pyproject-hooks-1.2.0-3.0  rhash-1.4.4-1.0  cython-3.0.11-1.0  git-2.47.0-1.0  python-build-1-1.0  python-installer-1-1.0  python-scikit-build-core-0.10.7-1.0  rapidfuzz-cpp-3.0.2-1.0

Total Installed Size:  122.73 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
:: Processing package changes...
installing perl-error...
installing perl-timedate...
installing perl-mailtools...
installing git...
Optional dependencies for git
    tk: gitk and git gui
    openssh: ssh transport and crypto
    perl-libwww: git svn
    perl-term-readkey: git svn and interactive.singlekey setting
    perl-io-socket-ssl: git send-email TLS support
    perl-authen-sasl: git send-email TLS support
    perl-mediawiki-api: git mediawiki support
    perl-datetime-format-iso8601: git mediawiki support
    perl-lwp-protocol-https: git mediawiki https support
    perl-cgi: gitweb (web interface) support
    python: git svn & git p4 [installed]
    subversion: git svn
    org.freedesktop.secrets: keyring credential helper
    libsecret: libsecret credential helper [installed]
installing python-packaging...
installing python-pyproject-hooks...
installing python-build...
installing python-installer...
installing cython...
installing cppdap...
installing hicolor-icon-theme...
installing jsoncpp...
Optional dependencies for jsoncpp
    jsoncpp-doc: documentation
installing libuv...
installing rhash...
installing cmake...
Optional dependencies for cmake
    make: for unix Makefile generator [installed]
    ninja: for ninja generator [pending]
    qt6-base: cmake-gui
installing ninja...
installing python-pathspec...
installing python-scikit-build-core...
installing rapidfuzz-cpp...
:: Running post-transaction hooks...
(1/4) Creating system user accounts...
Creating group 'git' with GID 972.
Creating user 'git' (git daemon user) with UID 972 and GID 972.
(2/4) Reloading system manager configuration...
  Skipped: Current root is not booted.
(3/4) Arming ConditionNeedsUpdate...
(4/4) Checking for old perl modules...
==> Retrieving sources...
==> WARNING: Skipping all source file integrity checks.
==> Extracting sources...
  -> Creating working copy of python-rapidfuzz git repo...
Cloning into 'python-rapidfuzz'...
done.
Switched to a new branch 'makepkg'
  -> Creating working copy of github.com-taskflow-taskflow git repo...
Cloning into 'github.com-taskflow-taskflow'...
done.
==> Starting prepare()...
Submodule 'extern/taskflow' (https://github.com/taskflow/taskflow.git) registered for path 'extern/taskflow'
Cloning into '/build/python-rapidfuzz/src/python-rapidfuzz/extern/taskflow'...
done.
Submodule path 'extern/taskflow': checked out '130f7952469c01eef8d7b635710bf9a8043f3172'
==> 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 'scikit_build_core.build'

ERROR Backend 'scikit_build_core.build' is not available.
==> ERROR: A failure occurred in build().
    Aborting...
==> ERROR: Build failed, check /var/lib/archbuild/extra-staging-with-build-support-i486/build/build
used straw: :with_build_support:without_check:
build@euronuc-i486