fix: https://twitter.com/_ko1/status/1086167481922646016
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
fix: https://twitter.com/_ko1/status/1086167481922646016
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66985 b2dd03c8-39d4-4d8f-98ff-823fe69b080e