>>> Emerging : portage://app-arch/zstd-1.5.7:run?{[]}

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

Calculating dependencies... done!

 └─step  1─┤ download  portage://app-arch/zstd-1.5.7
             │           └─ file ─┤ 2.32 Mb  	 zstd-1.5.7.tar.gz

 └─step  2─┤ downgrade portage://app-arch/zstd-1.5.7 (replaces pkg://app-arch/zstd-1.5.7-r1)
             │           └─ conf ─┤ USE = "zlib lzma -lz4 -static-libs -test"
             │                    │ SLOT = "0/1"

 └─step  3─┤ run     portage://app-arch/zstd-1.5.7

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