convert to GO_MODULE then test building with,
poudriere testport -j 13_1-amd64 sysutils/go-wtf poudriere bulk -j 13_1-amd64 sysutils/go-wtf
installs and runs on host correctly after upgrade with,
pkg upgrade /jails/phab/usr/local/poudriere/data/packages/13_1-amd64-default/All/go-wtf-0.42.0.pkg