fix warnings and criterion in main

rnex-core/src/rmc/structures/qbuffer.rs

@@ -17,7 +17,7 @@ impl RmcSerialize for QBuffer{
         Ok(())
     }
 
-    fn deserialize(mut reader: &mut impl Read) -> Result<Self> {
+    fn deserialize(reader: &mut impl Read) -> Result<Self> {
         let size: u16 = reader.read_struct(IS_BIG_ENDIAN)?;
 
         let mut vec = vec![0; size as usize];