!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-haskell/citeproc-0.7 ), mode none
!!! trying dev-haskell/citeproc-0.7
!!!   request <dev-haskell/pandoc-types-1.23:=, mode depend
!!!   trying dev-haskell/pandoc-types-1.22.2
!!!     request <dev-haskell/aeson-2.1:=, mode depend
!!!     trying dev-haskell/aeson-2.0.3.0
!!!       request <dev-haskell/base-compat-batteries-0.13:=, mode depend
!!!       trying dev-haskell/base-compat-batteries-0.12.1
!!!         request ~dev-haskell/base-compat-0.12.1:=, mode depend
!!!         trying dev-haskell/base-compat-0.12.1
!!!           failed due to failed inserting: [<PackageWrapper pkg=<<class 'pkgcore.ebuild.ebuild_src.package'> cpv='dev-haskell/base-compat-0.13.1' @0x10fa13490> wrapped='use' @0x10fbb2150>]
!!!         removing choices involving ~dev-haskell/base-compat-0.12.1:=
!!!       removing choices involving <dev-haskell/base-compat-batteries-0.13:=
!!!     removing choices involving <dev-haskell/aeson-2.1:=
!!!   removing choices involving <dev-haskell/pandoc-types-1.23:=

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =dev-haskell/citeproc-0.7 )'
potentials:
repo gentoo: [ ebuild src: dev-haskell/citeproc-0.7 ]