Try checking for noninitialized time before checking before/after

rss/feed.go

@@ -98,7 +98,7 @@ func (feed *Feed) fromGofeed(gofeed *gofeed.Feed) ([]*Item, error) {
 		updated = gofeed.UpdatedParsed
 	}
 	if updated == nil && len(gofeed.Items) > 0 {
-		updated = gofeedItemTS(gofeed.Items[0])
+		updated = gofeedItemTS(gofeed.Items[len(gofeed.Items)-1])
 	}
 	if updated == nil {
 		t := time.Now()
@@ -118,7 +118,7 @@ func (feed *Feed) appendNewItems(items []*gofeed.Item) ([]*Item, time.Time, erro
 	newitems := []*Item{}
 	for i := range items {
 		t := gofeedItemTS(items[i])
-		if t.Before(feed.Updated) {
+		if *t != (time.Time{}) && t.Before(feed.Updated) {
 			logger.Logf("\tnot adding %v because its timestamp before %v", *items[i], feed.Updated)
 			continue
 		}