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

Calculating dependencies ... done!
Dependency resolution took 1.04 s (backtrack: 0/20).

[ebuild  N     ] net-libs/libtorrent-0.16.25::gentoo  USE="-debug -test" 933 KiB

Total: 1 package (1 new), Size of downloads: 933 KiB