=> Bootstrap dependency digest>=20010302: found digest-20121220
===> Building for ruby18-libxml-2.6.0
=> Removing backup files of patch before build
WARNING:  licenses is empty
WARNING:  no email specified
  Successfully built RubyGem
  Name: libxml-ruby
  Version: 2.6.0
  File: libxml-ruby-2.6.0.gem
=> Unwrapping files-to-be-installed.