These are the packages that would be merged, in order:

Calculating dependencies ... done!
Dependency resolution took 1.61 s (backtrack: 0/20).

[ebuild  N     ] acct-group/fcron-0-r2::gentoo  0 KiB
[ebuild  N     ] acct-user/fcron-0-r2::gentoo  0 KiB
[ebuild  N     ] sys-process/fcron-3.4.1::gentoo  USE="mta pam readline system-crontab -audit -debug (-selinux) -test" 610 KiB
[uninstall     ] sys-process/cronie-1.7.2::gentoo  USE="anacron inotify pam (-selinux)" 
[blocks b      ] sys-process/fcron ("sys-process/fcron" is soft blocking sys-process/cronie-1.7.2)
[blocks b      ] sys-process/cronie ("sys-process/cronie" is soft blocking sys-process/fcron-3.4.1)

Total: 3 packages (3 new, 1 uninstall), Size of downloads: 610 KiB
Conflict: 2 blocks (all satisfied)