Your package scantailor failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17791301 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1254531 [details] build.log
Created attachment 1254532 [details] root.log
Created attachment 1254533 [details] state.log
This upstream fix is needed to build with a C++11 or C++14 compiler: https://github.com/scantailor/scantailor/commit/b5bd0370a569298d13b258ea4e57e48f5b03ecbf
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle. Changing version to '26'.
Fixed build issues.