Syncing resulted in thousands of lines of:
app-admin/python-updater/.~tmp~/
app-admin/qpage/.~tmp~/
app-admin/qtpass/.~tmp~/
app-admin/quickswitch/.~tmp~/
app-admin/r10k/.~tmp~/
app-admin/radmind/.~tmp~/
app-admin/ranpwd/.~tmp~/
app-admin/recursos/.~tmp~/
app-admin/reportmagic/.~tmp~/
app-admin/restart_services/.~tmp~/
app-admin/rex/.~tmp~/
rsync: opendir "/app-arch/libarchive/.~tmp~" (in gentoo-portage) failed:
Permission denied (13)
rsync: opendir "/app-arch/libarchive/files/.~tmp~" (in gentoo-portage)
failed: Permission denied (13)
rsync: opendir "/app-arch/libpar2/.~tmp~" (in gentoo-portage) failed:
Permission denied (13)
rsync: opendir "/app-arch/libzpaq/.~tmp~" (in gentoo-portage) failed:
Permission denied (13)
And the portage tree is full of ".~tmp~" directories.
What's going on?