!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ml/ppx_deriving-5.2.1-r2 ), mode none
!!! trying dev-ml/ppx_deriving-5.2.1-r2
!!!   request dev-ml/ppx_tools:=[ocamlopt], mode depend
!!!   trying dev-ml/ppx_tools-6.6-r1
!!!     request <dev-lang/ocaml-5, mode rdepend
!!!     trying dev-lang/ocaml-4.14.2
!!!       failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-lang/ocaml-5.5.1' @0x10e9b5230> wrapped='use' @0x10eb68050>]
!!!     removing choices involving <dev-lang/ocaml-5
!!!   removing choices involving dev-ml/ppx_tools:=[ocamlopt]

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ml/ppx_deriving-5.2.1-r2 )'
potentials:
repo gentoo: [ ebuild src: dev-ml/ppx_deriving-5.2.1-r2 ]