==> Creating clean working copy [build]...done
==> Making package: perl-crypt-rsa 1.99-5 (Fri Oct  9 13:55:05 EDT 2015)
==> Retrieving sources...
  -> Found Crypt-RSA-1.99.tar.gz
==> Validating source files with md5sums...
    Crypt-RSA-1.99.tar.gz ... Passed
==> Making package: perl-crypt-rsa 1.99-5 (Fri Oct  9 13:55:05 EDT 2015)
==> Checking runtime dependencies...
==> Installing missing dependencies...
error: target not found: perl-math-pari>=2.001804
==> ERROR: 'pacman' failed to install missing dependencies.
==> WARNING: Failed to remove installed dependencies.
==> ERROR: Build failed, check /chroot/i686/build/build