!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-physics/rivet-4.1.2 ), mode none
!!! trying sci-physics/rivet-4.1.2
!!!   request sci-libs/hdf5[cxx], mode depend
!!!   trying sci-libs/hdf5-2.2.0
!!!     failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='sci-libs/hdf5-2.2.0' @0x10bc39390> wrapped='use' @0x10bc70850>]
!!!   trying sci-libs/hdf5-1.14.6-r2
!!!     failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='sci-libs/hdf5-2.2.0' @0x10bc39390> wrapped='use' @0x10bc70850>]
!!!   removing choices involving sci-libs/hdf5[cxx]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =sci-physics/rivet-4.1.2 )'
potentials:
repo gentoo: [ ebuild src: sci-physics/rivet-4.1.2 ]