Twemoji 16.0.1 fails to build

``` >>> Unpacking source... === Skipping unpack of Twemoji-16.0.1.ttf >>> Unpacking twemoji-16.0.1-aur.tar.gz to /var/tmp/portage/media-fonts/twemoji-16.0.1/work >>> Source unpacked in /var/tmp/portage/media-fonts/twemoji-16.0.1/work * ERROR: media-fonts/twemoji-16.0.1::xarblu-overlay failed (prepare phase): * The source directory '/var/tmp/portage/media-fonts/twemoji-16.0.1/work/twemoji-16.0.1' doesn't exist * * Call stack: * ebuild.sh, line 777: Called __ebuild_main 'prepare' * phase-functions.sh, line 1090: Called __dyn_prepare * phase-functions.sh, line 404: Called die * The specific snippet of code: * die "The source directory '${S}' doesn't exist" * * If you need support, post the output of `emerge --info '=media-fonts/twemoji-16.0.1::xarblu-overlay'`, * the complete build log and the output of `emerge -pqv '=media-fonts/twemoji-16.0.1::xarblu-overlay'`. * The complete build log is located at '/var/tmp/portage/media-fonts/twemoji-16.0.1/temp/build.log'. * The ebuild environment file is located at '/var/tmp/portage/media-fonts/twemoji-16.0.1/temp/environment'. * Working directory: '/var/tmp/portage/media-fonts/twemoji-16.0.1/empty' * S: '/var/tmp/portage/media-fonts/twemoji-16.0.1/work/twemoji-16.0.1' * ```