docker-runc 1.0.0~rc2+git+docker1.13.1~ds1-2 is marked for autoremoval from testing on 2018-03-27 It is affected by these RC bugs: 890107: docker-runc: docker-runc FTBFS on s390x: kill.go:42:20: error: reference to undefined identifier 'syscall.SIGUNUSED'