cleanup more warnings and deprecated function use

src/multi/multi_test_case.rs

@@ -17,8 +17,8 @@
 use std::{collections::HashSet, path::PathBuf, rc::Rc};
 
 use crate::{
-    common::HybridBinarizer, BarcodeFormat, BinaryBitmap,
-    BufferedImageLuminanceSource, MultiFormatReader,
+    common::HybridBinarizer, BarcodeFormat, BinaryBitmap, BufferedImageLuminanceSource,
+    MultiFormatReader,
 };
 
 use super::{GenericMultipleBarcodeReader, MultipleBarcodeReader};

src/multi/qrcode/detector/multi_detector.rs

@@ -15,7 +15,7 @@
  */
 
 use crate::{
-    common::{BitMatrix},
+    common::BitMatrix,
     qrcode::detector::{Detector, QRCodeDetectorResult},
     DecodeHintType, DecodeHintValue, DecodingHintDictionary, Exceptions,
 };