!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ruby/matrix-0.4.2 ), mode none
!!! trying dev-ruby/matrix-0.4.2
!!!   failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-ruby/matrix-0.4.3' @0x103457a10> wrapped='use' @0x103a2a750>]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ruby/matrix-0.4.2 )'
potentials:
repo gentoo: [ ebuild src: dev-ruby/matrix-0.4.2 ]