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

Calculating dependencies ... done!
Dependency resolution took 1.00 s (backtrack: 0/20).

[ebuild  N     ] sys-process/rust-parallel-1.24.0::gentoo  USE="-debug -symlink" 6567 KiB

Total: 1 package (1 new), Size of downloads: 6567 KiB