==> Synchronizing chroot copy [/chroot/armv8/root] -> [build]...done
==> Making package: fbht-git r70.d75ae93-4 (Thu Aug 27 16:15:03 UTC 2020)
==> Retrieving sources...
  -> Cloning fbht git repo...
Cloning into bare repository '/srv/build/builder/work/fbht-git/fbht'...
==> Validating source files with sha512sums...
    fbht ... Skipped
Host and machine ids are equal (b6eac563832547c9ad9408127b1b4375): refusing to link journals
==> Making package: fbht-git r70.d75ae93-4 (Thu 27 Aug 2020 04:15:12 PM UTC)
==> Checking runtime dependencies...
==> Installing missing dependencies...
error: target not found: python2-matplotlib
==> ERROR: 'pacman' failed to install missing dependencies.
==> Missing dependencies:
  -> python2
  -> python2-mechanize
  -> python2-networkx
  -> python2-matplotlib
  -> python2-numpy
  -> python2-selenium
  -> python2-simplejson
==> Checking buildtime dependencies...
==> Installing missing dependencies...
resolving dependencies...
looking for conflicting packages...

Packages (4) perl-error-0.17029-2  perl-mailtools-2.21-4  perl-timedate-2.33-2  git-2.28.0-1

Total Installed Size:  43.93 MiB

:: Proceed with installation? [Y/n] 
checking keyring...
checking package integrity...
loading package files...
checking for file conflicts...
checking available disk space...
:: Processing package changes...
installing perl-error...
installing perl-timedate...
installing perl-mailtools...
installing git...
Optional dependencies for git
    tk: gitk and git gui
    perl-libwww: git svn
    perl-term-readkey: git svn and interactive.singlekey setting
    perl-mime-tools: git send-email
    perl-net-smtp-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
    subversion: git svn
    org.freedesktop.secrets: keyring credential helper
    libsecret: libsecret credential helper [installed]
:: Running post-transaction hooks...
(1/4) Creating system user accounts...
Creating group git with gid 977.
Creating user git (git daemon user) with uid 977 and gid 977.
(2/4) Reloading system manager configuration...
  Skipped: Current root is not booted.
(3/4) Arming ConditionNeedsUpdate...
(4/4) Warn about old perl modules
==> ERROR: Could not resolve all dependencies.
==> Removing installed dependencies...
checking dependencies...
:: gettext optionally requires git: for autopoint infrastructure updates

Packages (4) git-2.28.0-1  perl-error-0.17029-2  perl-mailtools-2.21-4  perl-timedate-2.33-2

Total Removed Size:  43.93 MiB

:: Do you want to remove these packages? [Y/n] 
:: Processing package changes...
removing git...
removing perl-mailtools...
removing perl-timedate...
removing perl-error...
:: Running post-transaction hooks...
(1/2) Reloading system manager configuration...
  Skipped: Current root is not booted.
(2/2) Arming ConditionNeedsUpdate...
==> ERROR: Build failed, check /chroot/armv8/build/build