Results 2 issues of turnon

When working with heroku-cli in alpine container, it outputs ``` /usr/local/lib/heroku/bin/node: /usr/lib/libstdc++.so.6: no version information available (required by /usr/local/lib/heroku/bin/node) ``` though it works well. Just want to know why ......

when I `rake test` a gem wrapping evernote-sdk-ruby, it generates hundreds of warning as below ``` gems/evernote-thrift-1.25.2/lib/Evernote/EDAM/types_types.rb:2103: warning: instance variable @expungeWhichSharedNotebookRestrictions not initialized gems/evernote-thrift-1.25.2/lib/thrift/struct.rb:58: warning: instance variable @fields_with_default_values not initialized...