1 /usr/share/perl5/WWW/Mechanize.pm|2545| Useless use of join or string in void context                                             
2 /usr/lib/x86_64-linux-gnu/perl5/5.20/Moose/Util/TypeConstraints.pm|674| Useless use of private variable in void context
3 /usr/lib/x86_64-linux-gnu/perl5/5.20/Moose/Util/TypeConstraints.pm|680| Useless use of private variable in void context
4 /usr/lib/x86_64-linux-gnu/perl5/5.20/Moose/Util/TypeConstraints.pm|685| Useless use of private variable in void context
5 /usr/lib/x86_64-linux-gnu/perl5/5.20/Moose/Util/TypeConstraints.pm|699| Useless use of private variable in void context