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

Calculating dependencies ... done!
Dependency resolution took 1.69 s (backtrack: 0/20).

[ebuild  N     ] dev-build/b2-5.5.3::gentoo  USE="-examples" 1198 KiB
[ebuild  N     ] dev-libs/snowball-stemmer-3.1.1:0/3.1::gentoo  USE="-static-libs -test" 352 KiB
[ebuild  N     ] acct-group/rspamd-0-r3::gentoo  0 KiB
[ebuild  N     ] acct-user/rspamd-0-r3::gentoo  0 KiB
[ebuild  N     ] dev-cpp/doctest-2.4.12::gentoo  USE="-test" 2138 KiB
[ebuild  N     ] dev-util/colm-0.14.7-r4::gentoo  USE="-doc" 3038 KiB
[ebuild  N     ] dev-libs/boost-1.91.0-r2:0/1.91.0::gentoo  USE="bzip2 context nls python stacktrace zlib -debug -doc -icu -lzma -mpi -numpy -test -test-full -tools -zstd" PYTHON_TARGETS="python3_14 -python3_12 -python3_13" 199785 KiB
[ebuild  N     ] dev-util/ragel-7.0.4-r3::gentoo  USE="-doc" 1618 KiB
[ebuild  N     ] dev-libs/vectorscan-5.4.12:0/5::gentoo  CPU_FLAGS_X86="avx2 sse4_2" 20362 KiB
[ebuild  NS    ] dev-lang/lua-5.1.5-r200:5.1::gentoo [5.4.8:5.4::gentoo] USE="deprecated readline" 389 KiB
[ebuild  N     ] dev-lua/LuaBitOp-1.0.3::gentoo  LUA_TARGETS="lua5-1 -lua5-3 -lua5-4 -luajit" 20 KiB
[ebuild  N     ] dev-lua/lua-argparse-0.7.1-r1::gentoo  LUA_TARGETS="lua5-1 -lua5-3 -lua5-4 -luajit" 43 KiB
[ebuild  N     ] mail-filter/rspamd-3.13.2::gentoo  USE="hyperscan jit -blas (-jemalloc) (-selinux) -test" LUA_SINGLE_TARGET="lua5-1 -lua5-3 -lua5-4 -luajit" 6480 KiB

Total: 13 packages (12 new, 1 in new slot), Size of downloads: 235418 KiB