>>> Emerging : portage://sci-libs/libmuscle-3.7-r4:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://sci-libs/libmuscle-3.7-r4
             │           └─ file ─┤ 448.10 Kb  	 libmuscle-3.7-r1.tar.bz2

Total: 1 action (1 download), grouped into 1 step.
       448.10 Kb to be downloaded.