!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ml/ppx_bench-0.16.0 ), mode none
!!! trying dev-ml/ppx_bench-0.16.0
!!!   request dev-ml/ppx_inline_test:0/0.16, mode depend
!!!   trying dev-ml/ppx_inline_test-0.16.0
!!!     request dev-ml/time_now:0/0.16, mode depend
!!!     trying dev-ml/time_now-0.16.0
!!!       request dev-ml/jst-config:0/0.16, mode depend
!!!       trying dev-ml/jst-config-0.16.0
!!!         request dev-ml/ppx_assert:=, mode depend
!!!         trying dev-ml/ppx_assert-0.17.0-r1
!!!           request =dev-ml/base-0.17*:=[ocamlopt], mode depend
!!!           trying dev-ml/base-0.17.3
!!!             request =dev-ml/sexplib0-0.17*:=[ocamlopt], mode depend
!!!             trying dev-ml/sexplib0-0.17.0-r2
!!!               failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-ml/sexplib0-0.16.0' @0x102dd1d30> wrapped='use' @0x102e26f50>]
!!!             removing choices involving =dev-ml/sexplib0-0.17*:=[ocamlopt]
!!!           removing choices involving =dev-ml/base-0.17*:=[ocamlopt]
!!!         trying dev-ml/ppx_assert-0.16.0
!!!           request dev-ml/ppx_sexp_conv:0/0.16, mode depend
!!!           trying dev-ml/ppx_sexp_conv-0.16.0-r2
!!!             request <dev-ml/ppxlib-0.36.0, mode depend
!!!             trying dev-ml/ppxlib-0.33.0-r2
!!!               request <dev-lang/ocaml-5.3:=, mode depend
!!!               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' @0x102dd0f70> wrapped='use' @0x102f8de50>]
!!!               removing choices involving <dev-lang/ocaml-5.3:=
!!!             trying dev-ml/ppxlib-0.30.0-r2
!!!               request <dev-lang/ocaml-5, mode depend
!!!               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' @0x102dd0f70> wrapped='use' @0x102f8de50>]
!!!               removing choices involving <dev-lang/ocaml-5
!!!             removing choices involving <dev-ml/ppxlib-0.36.0
!!!           removing choices involving dev-ml/ppx_sexp_conv:0/0.16
!!!         removing choices involving dev-ml/ppx_assert:=
!!!       removing choices involving dev-ml/jst-config:0/0.16
!!!     removing choices involving dev-ml/time_now:0/0.16
!!!   removing choices involving dev-ml/ppx_inline_test:0/0.16

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-ml/ppx_bench-0.16.0 )'
potentials:
repo gentoo: [ ebuild src: dev-ml/ppx_bench-0.16.0 ]