portage-ng / portage / dev-ruby / rdoc / 7.0.3
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ruby/rdoc-7.0.3 ), mode none
!!! trying dev-ruby/rdoc-7.0.3
!!!   failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-ruby/rdoc-7.1.0' @0x104007a10> wrapped='use' @0x1044f1cd0>]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ruby/rdoc-7.0.3 )'
potentials:
repo gentoo: [ ebuild src: dev-ruby/rdoc-7.0.3 ]

Wall time
0.570 s vs. 0.825 s for portage-ng