:: 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-regress 2025.3.1-1.0 (Wed Mar 26 15:45:50 2025)
==> Retrieving sources...
  -> Found python-regress-2025.3.1.tar.gz
==> Validating source files with sha512sums...
    python-regress-2025.3.1.tar.gz ... Passed
==> Validating source files with b2sums...
    python-regress-2025.3.1.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 2025-06-16
==> Making package: python-regress 2025.3.1-1.0 (Wed Mar 26 15:45:54 2025)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (9) libedit-20240808_3.1-1.0  llvm-libs-18.1.8-4.1  maturin-1.7.4-1.0  python-pyproject-hooks-1.2.0-3.0  rust-1:1.82.0-1.0  python-build-1.2.2-3.0  python-installer-1-1.0  python-maturin-1.7.4-1.0  python-wheel-1-1.0

Total Installed Size:  510.32 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 libedit...
installing llvm-libs...
installing rust...
Optional dependencies for rust
    gdb: rust-gdb script
    lldb: rust-lldb script
installing maturin...
installing python-maturin...
installing python-wheel...
:: Running post-transaction hooks...
(1/1) Arming ConditionNeedsUpdate...
==> Retrieving sources...
  -> Found python-regress-2025.3.1.tar.gz
==> WARNING: Skipping all source file integrity checks.
==> Extracting sources...
  -> Extracting python-regress-2025.3.1.tar.gz with bsdtar
==> Starting prepare()...
    Updating crates.io index
 Downloading crates ...
  Downloaded pyo3-macros v0.24.0
  Downloaded equivalent v1.0.1
  Downloaded unindent v0.2.3
  Downloaded pyo3-ffi v0.24.0
  Downloaded memoffset v0.9.0
  Downloaded heck v0.5.0
  Downloaded pyo3-build-config v0.24.0
  Downloaded foldhash v0.1.4
  Downloaded cfg-if v1.0.0
  Downloaded indoc v2.0.4
  Downloaded autocfg v1.1.0
  Downloaded target-lexicon v0.13.2
  Downloaded quote v1.0.36
  Downloaded once_cell v1.19.0
  Downloaded proc-macro2 v1.0.86
  Downloaded memchr v2.5.0
  Downloaded python3-dll-a v0.2.12
  Downloaded allocator-api2 v0.2.18
  Downloaded pyo3-macros-backend v0.24.0
  Downloaded unicode-ident v1.0.8
  Downloaded hashbrown v0.15.2
  Downloaded syn v2.0.72
  Downloaded regress v0.10.3
  Downloaded libc v0.2.155
  Downloaded pyo3 v0.24.0
==> 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 'maturin'

ERROR Backend 'maturin' 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