!!! resolution failed
!!! request ( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =x11-wm/mutter-48.8 ), mode none
!!! trying x11-wm/mutter-48.8
!!!   request gnome-base/gnome-settings-daemon, mode depend
!!!   trying gnome-base/gnome-settings-daemon-50.1
!!!     request gnome-base/gnome-desktop:4=, mode depend
!!!     trying gnome-base/gnome-desktop-44.5-r400
!!!       request >=x11-libs/gdk-pixbuf-2.36.5:2[introspection], mode depend
!!!       removing choices involving >=x11-libs/gdk-pixbuf-2.36.5:2[introspection]
!!!     removing choices involving gnome-base/gnome-desktop:4=
!!!   removing choices involving gnome-base/gnome-settings-daemon

Failures encountered:
!!! failed '( ( ('repo.livefs',) EqualityMatch: =False || ( ('category',) == virtual && ('package_is_real',) EqualityMatch: =False ) ) && =x11-wm/mutter-48.8 )'
potentials:
repo gentoo: [ ebuild src: x11-wm/mutter-48.8 ]