===> Building for ruby34-RMagick-6.1.5
=> Removing backup files of patch before build
WARNING:  expected RubyGems version 3.6.9, was 4.0.3
WARNING:  See https://guides.rubygems.org/specification-reference/ for help
  Successfully built RubyGem
  Name: rmagick
  Version: 6.1.5
  File: rmagick-6.1.5.gem