OTHER: was logging an error without checking if it was nil. Also was trying to pass in a uit64 as a string to formatted string. (#92)

Author: RachelTucker

helpers/getProducer.go

@@ -105,7 +105,9 @@ func (producer *getProducer) transferOperationBuilder(info getObjectInfo) Transf
         }
         defer func() {
            err := getObjResponse.Content.Close()
-           producer.Warningf("unable to close response body for object '%s' at offset '%s': %s", info.blob.Name(), info.blob.Offset(), err)
+           if err != nil {
+               producer.Warningf("unable to close response body for object '%s' at offset '%d': %s", info.blob.Name(), info.blob.Offset(), err)
+           }
         }()
 
         if len(blobRanges) == 0 {