>>> Emerging : portage://media-libs/x265-4.3:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://media-libs/x265-4.3
             │           └─ file ─┤ 1.96 Mb  	 x265_4.3.tar.gz

 └─step  2─┤ install   portage://media-libs/x265-4.3
             │           └─ conf ─┤ USE = "cet 10bit 12bit -numa -test -vmaf"
             │                    │ SLOT = "0/217"

 └─step  3─┤ run     portage://media-libs/x265-4.3

Total: 3 actions (1 download, 1 install, 1 run), grouped into 3 steps.
       1.96 Mb to be downloaded.