fails:Iconv::Failure is a module
fails:Iconv::Failure is included by Iconv::InvalidEncoding
fails:Iconv::Failure is included by Iconv::IllegalSequence
fails:Iconv::Failure is included by Iconv::InvalidCharacter
fails:Iconv::Failure is included by Iconv::OutOfRange
fails:Iconv::Failure is included by Iconv::BrokenLibrary
