Bug#1025889: marisa: autopkgtest regression with ruby 3.1

[Sebastian Ramacher <sramacher@debian.org>]

Source: marisa
Version: 0.2.6-11
Severity: serious
X-Debbugs-Cc: sramacher@debian.org

marisa's autopkgtest fail with ruby 3.1 as default:

autopkgtest [01:14:47]: test ruby: [-----------------------
=== ruby ===
<internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require': cannot load such file -- marisa (LoadError)
	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
	from bindings/ruby/sample.rb:1:in `<main>'
autopkgtest [01:14:48]: test ruby: -----------------------]
autopkgtest [01:14:48]: test ruby:  - - - - - - - - - - results - - - - - - - - - -
ruby                 FAIL non-zero exit status 1
autopkgtest [01:14:48]: test ruby:  - - - - - - - - - - stderr - - - - - - - - - -
<internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require': cannot load such file -- marisa (LoadError)
	from <internal:/usr/lib/ruby/vendor_ruby/rubygems/core_ext/kernel_require.rb>:85:in `require'
	from bindings/ruby/sample.rb:1:in `<main>'


https://ci.debian.net/data/autopkgtest/testing/amd64/m/marisa/29170299/log.gz

Cheers
-- 
Sebastian Ramacher