>>> Emerging : portage://sys-kernel/linux-headers-3.18-r1:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://sys-kernel/linux-headers-3.18-r1
             │           └─ file ─┤ 3.54 Kb  	 gentoo-headers-3.18-1.tar.xz
             │                    │ 3.60 Mb  	 gentoo-headers-base-3.18.tar.xz

Total: 1 action (1 download), grouped into 1 step.
       3.61 Mb to be downloaded.