Calculating world dependencies /
!!! Problems have been detected with your world file
!!! Please run emaint --check world

... done!
localhost ruskie # emaint --check world
Checking world for problems

'sys-kernel/gentoo-sourcessys-kernel/genkernelsys-apps/coldplugapp-admin/syslog-ngsys-process/vixie-cronnet-misc/dhcpcdsys-boot/grub' is not a valid atom