Rakefile in dockly-1.5.8 vs Rakefile in dockly-1.5.9

@@ -14,6 +14,7 @@
   t.rspec_opts = '--tag ~docker' if ENV['CI']
 end
 
 Cane::RakeTask.new(:quality) do |cane|
   cane.canefile = '.cane'
+  cane.abc_exclude = %w(TarDiff#process)
 end