portage-ng / portage / dev-ruby / io-console / 0.8.1
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ruby/io-console-0.8.1 ), mode none
!!! trying dev-ruby/io-console-0.8.1
!!!   failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-ruby/io-console-0.8.2' @0x103fefa10> wrapped='use' @0x1045a8bd0>]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ruby/io-console-0.8.1 )'
potentials:
repo gentoo: [ ebuild src: dev-ruby/io-console-0.8.1 ]

Wall time
0.568 s vs. 0.720 s for portage-ng