if (!defined($oid)) {
# it's possible to have TOCTOU if an admin runs
# public-inbox-(edit|purge), just move onto the next message
+ warn "E: $smsg->{blob} missing in $self->{ibx}->{inboxdir}\n";
return requeue_once($self);
} else {
$smsg->{blob} eq $oid or die "BUG: $smsg->{blob} != $oid";