>>> Emerging : portage://dev-cpp/catch-3.15.3:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-cpp/catch-3.15.3
             │           └─ file ─┤ 1.15 Mb  	 Catch2-3.15.3.tar.gz

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