The package golang-github-go-xorm-core 0.5.6+git20170317.9.e8409d7-1 has been added to kali-rolling. It has been imported from Debian: https://tracker.debian.org/pkg/golang-github-go-xorm-core -- More information about golang-github-go-xorm-core: http://pkg.kali.org/pkg/golang-github-go-xorm-core