==> Creating clean working copy [build]...done
==> Making package: ruby-thin 1.6.1-2 (Sat Oct 10 22:51:04 EDT 2015)
==> Retrieving sources...
  -> Found thin-1.6.1.gem
==> Validating source files with md5sums...
    thin-1.6.1.gem ... Passed
==> Making package: ruby-thin 1.6.1-2 (Sat Oct 10 22:51:05 EDT 2015)
==> Checking runtime dependencies...
==> Installing missing dependencies...
warning: skipping target: ruby
error: target not found: ruby-eventmachine>=0.12.6
==> ERROR: 'pacman' failed to install missing dependencies.
==> WARNING: Failed to remove installed dependencies.
==> ERROR: Build failed, check /chroot/i686/build/build