Error found:
in module Main
at tests/purs/failing/3405.purs:8:1 - 8:43 (line 8, column 1 - line 8, column 43)

  Orphan instance eqSomething found for
                  
    Data.Eq.Eq Int
                  
  This problem can be resolved by declaring the instance in Data.Eq, or by defining the instance on a newtype wrapper.

in type class instance
                      
  Data.Eq.Eq Something
                      

See https://github.com/purescript/documentation/blob/master/errors/OrphanInstance.md for more information,
or to contribute content related to this error.