Your package golang-github-boombuler-barcode failed to build from source in current F28. https://koji.fedoraproject.org/koji/taskinfo?taskID=24796957 For details on mass rebuild see https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild
This was a legitimate test failure; fixed in rawhide, updates will be on the way shortly for F27/F28, and a patch has been submitted upstream: https://github.com/boombuler/barcode/pull/37
golang-github-boombuler-barcode-1.0.0-0.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2018-2526ee948f
golang-github-boombuler-barcode-1.0.0-0.fc27 has been submitted as an update to Fedora 27. https://bodhi.fedoraproject.org/updates/FEDORA-2018-c0db311c89
golang-github-boombuler-barcode-1.0.0-0.fc28 has been pushed to the Fedora 28 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-2018-2526ee948f
golang-github-boombuler-barcode-1.0.0-0.fc27 has been pushed to the Fedora 27 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-2018-c0db311c89
golang-github-boombuler-barcode-1.0.0-0.fc27 has been pushed to the Fedora 27 stable repository. If problems still persist, please make note of it in this bug report.
golang-github-boombuler-barcode-1.0.0-0.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.