```
$ ARCONN=mysql2 be ruby -w -Itest test/cases/scoping/default_scoping_test.rb
Using mysql2
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/scoping/named.rb:158: warning: method redefined; discarding old female
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/scoping/named.rb:158: warning: previous definition of female was here
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/scoping/named.rb:158: warning: method redefined; discarding old male
/Users/kamipo/src/github.com/rails/rails/activerecord/lib/active_record/scoping/named.rb:158: warning: previous definition of male was here
```