portage-ng / portage / app-misc / vlock / 2.2.3-r2
pmerge --pretend --verbose
!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =app-misc/vlock-2.2.3-r2 ), mode none
!!! trying app-misc/vlock-2.2.3-r2
!!!   request ( not (!sys-apps/kbd[pam]) && sys-apps/kbd ), mode none
!!!   failed due to depend blocker: !sys-apps/kbd[pam] conflicts w/ [<MutatedPkg pkg=<pkgcore.vdb.ondisk._WrappedInstalledPkg object at 0x1102a1510> overrides=('bdepend', 'depend', 'rdepend', 'pdepend', 'idepend') @0x1102723f0>]
!!!   removing choices involving !sys-apps/kbd[pam]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =app-misc/vlock-2.2.3-r2 )'
potentials:
repo gentoo: [ ebuild src: app-misc/vlock-2.2.3-r2 ]

Wall time
0.422 s vs. 0.012 s for portage-ng