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

Calculating dependencies ... done!
Dependency resolution took 1.08 s (backtrack: 0/20).

[ebuild  N     ] dev-libs/blake3-1.8.7::gentoo  USE="-test" 263 KiB
[ebuild  N     ] app-containers/crun-1.28-r1::gentoo  USE="bpf caps seccomp -criu (-selinux) -static-libs (-systemd)" 1548 KiB

Total: 2 packages (2 new), Size of downloads: 1810 KiB