>>> Emerging : portage://net-p2p/rtorrent-0.16.25:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-cpp/nlohmann_json-3.12.0-r1
             │           └─ file ─┤ 9.23 Mb  	 nlohmann_json-3.12.0.tar.gz
             │ download  portage://net-libs/libtorrent-0.16.25
             │           └─ file ─┤ 932.42 Kb  	 libtorrent-0.16.25.tar.gz
             │ download  portage://net-p2p/rtorrent-0.16.25
             │           └─ file ─┤ 870.71 Kb  	 rtorrent-0.16.25.tar.gz

 └─step  2─┤ install   portage://net-libs/libtorrent-0.16.25
             │           └─ conf ─┤ USE = "-debug -test"
             │ install   portage://dev-cpp/nlohmann_json-3.12.0-r1
             │           └─ conf ─┤ USE = "-test"

 └─step  3─┤ run       portage://net-libs/libtorrent-0.16.25

 └─step  4─┤ install   portage://net-p2p/rtorrent-0.16.25
             │           └─ conf ─┤ USE = "ncurses -lua* -debug -test -tinyxml2 -xmlrpc"
             │                    │ LUA_SINGLE_TARGET = "-lua5-3 -lua5-4"

 └─step  5─┤ run     portage://net-p2p/rtorrent-0.16.25

Total: 8 actions (3 downloads, 3 installs, 2 runs), grouped into 5 steps.
       10.99 Mb to be downloaded.