:: 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/slave4/extra-staging-with-build-support-pentium4/root] -> [slave4]...done
==> Making package: xet-core 1.0.5-1.0 (Mon 28 Apr 2025 13:59:05 CEST)
==> Retrieving sources...
  -> Found xet-core-1.0.5.tar.gz
==> Validating source files with b2sums...
    xet-core-1.0.5.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: xet-core 1.0.5-1.0 (Mon Apr 28 13:59:12 2025)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Installing missing dependencies...
:: There are 3 providers available for cargo:
:: Repository build-support
   1) rust176-bin
:: Repository extra
   2) rust  3) rustup

Enter a number (default=1): 
resolving dependencies...
looking for conflicting packages...

Packages (3) maturin-1.7.4-1.0  python-installer-1-1.3  rust176-bin-1:1.76.0-1.0

Total Installed Size:  1374.90 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
:: Processing package changes...
installing rust176-bin...
installing maturin...
installing python-installer...
:: Running post-transaction hooks...
(1/1) Arming ConditionNeedsUpdate...
==> Retrieving sources...
  -> Found xet-core-1.0.5.tar.gz
==> WARNING: Skipping all source file integrity checks.
==> Extracting sources...
  -> Extracting xet-core-1.0.5.tar.gz with bsdtar
==> Starting prepare()...
error: failed to parse lock file at: /build/xet-core/src/xet-core-1.0.5/Cargo.lock

Caused by:
  lock file version `4` was found, but this version of Cargo does not understand this lock file, perhaps Cargo needs to be updated?
==> ERROR: A failure occurred in prepare().
    Aborting...
==> ERROR: Build failed, check /var/lib/archbuild/slave4/extra-staging-with-build-support-pentium4/slave4/build
[?12l[?25h[?12l[?25hused straw: :with_build_support:haskell_without_check:
slave4@eurobuild6