Your package ghc-hakyll failed to build from source in current rawhide. https://koji.fedoraproject.org/koji/taskinfo?taskID=17716671 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1252197 [details] build.log
Created attachment 1252198 [details] root.log
Created attachment 1252199 [details] state.log
petersen's ghc-hakyll-4.9.5.1-1.fc26 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=862210
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle. Changing version to '26'.