===> Building for ruby34-RMagick-6.0.1nb9
=> Removing backup files of patch before build
WARNING:  expected RubyGems version 3.6.2, was 3.5.9
WARNING:  See https://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: rmagick
  Version: 6.0.1
  File: rmagick-6.0.1.gem