=> Bootstrap dependency digest>=20010302: found digest-20190127
===> Building for ruby25-ferret-0.11.8.7
=> Removing backup files of patch before build
WARNING:  licenses is empty, but is recommended.  Use a license identifier from
http://spdx.org/licenses or 'Nonstandard' for a nonstandard license.
WARNING:  bin/ferret-browser is not executable
WARNING:  See http://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: ferret
  Version: 0.11.8.7
  File: ferret-0.11.8.7.gem