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

Calculating dependencies ... done!
Dependency resolution took 1.50 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/skalibs-2.15.0.0:0/2.15.0::gentoo  262 KiB
[ebuild  N     ] dev-lang/execline-2.9.9.1:0/2.9.0::gentoo  117 KiB
[ebuild  N     ] sys-apps/s6-2.15.0.0:0/2.15::gentoo  USE="execline" 271 KiB
[ebuild  N     ] sys-apps/s6-rc-0.6.1.1:0/0.6::gentoo  USE="-system-init" 155 KiB
[ebuild  N     ] sys-apps/s6-linux-init-1.2.0.1:0/1.2::gentoo  USE="sysv-utils" 66 KiB
[uninstall     ] sys-apps/sysvinit-3.15::gentoo  USE="nls (-ibm) (-selinux) -static -verify-sig" 
[blocks b      ] sys-apps/sysvinit ("sys-apps/sysvinit" is soft blocking sys-apps/s6-linux-init-1.2.0.1)
[ebuild  N     ] sys-apps/s6-frontend-0.0.1.1-r1::gentoo  56 KiB

Total: 6 packages (6 new, 1 uninstall), Size of downloads: 924 KiB
Conflict: 1 block (all satisfied)