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

Calculating dependencies ... done!
Dependency resolution took 0.96 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/concurrencykit-0.7.2-r1::gentoo  252 KiB
[ebuild  N     ] dev-scheme/cyclone-0.35.0::gentoo  3864 KiB

Total: 2 packages (2 new), Size of downloads: 4115 KiB