portage-ng / portage / dev-vcs / mercurial / 6.7.4-r2
pmerge --pretend --verbose
[ebuild  N     ] dev-vcs/mercurial-6.7.4-r2::gentoo USE="chg gpg -debug -emacs -rust -test -tk" PYTHON_TARGETS="-python3_12" 7.9 MiB

Total: 1 package (1 new), Size of downloads: 7.9 MiB


 * Running sanity checks...
>>> dev-vcs/mercurial-6.7.4-r2: failed REQUIRED_USE
  Failed to match: python_targets_python3_12
  from: python_targets_python3_12
  for USE: abi_x86_64 amd64 chg elibc_glibc gpg kernel_linux llvm_targets_X86 split-usr test-rust

!!! Sanity checks failed, exiting...

Wall time
0.442 s vs. 0.313 s for portage-ng