Crrcsim version 0.9.12 doesn't compile using gcc 6. More details can be found in fedora bugzilla [1] and compilation log[2].
Attached file is a proposal which fixes the issue.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1307411
[2] https://bugzilla.redhat.com/attachment.cgi?id=1124303
Fixed
Patch for 0.9.13 would be this (attachment)
Late update... bug is fixed.