Your package capnproto failed to build from source in current rawhide.
For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_26_Mass_Rebuild
Created attachment 1251627 [details]
Created attachment 1251628 [details]
Created attachment 1251629 [details]
Fixed in capnproto-0.5.3-4 in Rawhide.
Reopened due to segfault when building on armv7hl.
This bug appears to have been reported against 'rawhide' during the Fedora 26 development cycle.
Changing version to '26'.
ngompa's capnproto-0.6.1-1.fc27 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=906320
ngompa's capnproto-0.6.1-2.fc27 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=906326
capnproto-0.6.1-2.fc26 has been submitted as an update to Fedora 26. https://bodhi.fedoraproject.org/updates/FEDORA-2017-0be0f172f8
ngompa's capnproto-0.6.1-3.fc27 completed http://koji.fedoraproject.org/koji/buildinfo?buildID=906480
capnproto-0.6.1-3.fc26 has been pushed to the Fedora 26 testing repository. If problems still persist, please make note of it in this bug report.
See https://fedoraproject.org/wiki/QA:Updates_Testing for
instructions on how to install test updates.
You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2017-0be0f172f8
capnproto-0.6.1-3.fc26 has been pushed to the Fedora 26 stable repository. If problems still persist, please make note of it in this bug report.