improved error handling for errors fetching packages from db in HK

utils.go

@@ -796,7 +796,8 @@ func housekeeping(repo string, march string, wg *sync.WaitGroup) error {
 			buildManager.repoPurge[pkg.FullRepo] <- []*BuildPackage{pkg}
 			continue
 		} else if err != nil {
-			return err
+			log.Warningf("[HK] Problem fetching package from db for %s", path)
+			continue
 		}
 
 		pkg := &BuildPackage{