Currently fcron (3.1.2-r2) has a "need clock" in it's init.d-script, starting hwclock even if it's disabled on purpose (VM with given clock from hypervisor). Please change that dependency to a "use clock". In that way it is handled by dcron and syslog-ng.
fixed anacron: http://gitweb.gentoo.org/repo/gentoo.git/commit/?id=be4ae58ceacfe1c4a0e4bc2b847556b0fc458c74
Thanks for the report. This is now fixed: https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=531e27c45e1f413da44d8a51ece0f59e454586fb