>>> Emerging : portage://dev-libs/mimalloc-3.4.5:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://dev-libs/mimalloc-3.4.5
             │           └─ file ─┤ 1.36 Mb  	 mimalloc-3.4.5.tar.gz

 └─step  2─┤ install   portage://dev-libs/mimalloc-3.4.5
             │           └─ conf ─┤ USE = "-debug -test"
             │                    │ SLOT = "0/3"

 └─step  3─┤ run     portage://dev-libs/mimalloc-3.4.5

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