Clippy warnings (#305)

ntex-bytes/src/bytes.rs

@@ -4179,7 +4179,11 @@ mod tests {
     }
 
     #[test]
-    #[allow(clippy::len_zero)]
+    #[allow(
+        clippy::len_zero,
+        clippy::nonminimal_bool,
+        clippy::unnecessary_fallible_conversions
+    )]
     fn bytes() {
         let mut b = Bytes::from(LONG.to_vec());
         b.clear();
@@ -4226,6 +4230,7 @@ mod tests {
     }
 
     #[test]
+    #[allow(clippy::unnecessary_fallible_conversions)]
     fn bytes_vec() {
         let bv = BytesVec::copy_from_slice(LONG);
         // SharedVec size is 32

ntex-bytes/src/string.rs

@@ -371,7 +371,7 @@ mod utf8 {
 
 #[cfg(test)]
 mod test {
-    use std::borrow::{Borrow, Cow, ToOwned};
+    use std::borrow::{Borrow, Cow};
     use std::collections::hash_map::DefaultHasher;
     use std::hash::{Hash, Hasher};
 

ntex-bytes/tests/test_buf.rs

@@ -1,4 +1,5 @@
 #![deny(warnings, rust_2018_idioms)]
+#![allow(clippy::unnecessary_mut_passed)]
 
 use ntex_bytes::{Buf, Bytes, BytesMut};
 

ntex-bytes/tests/test_bytes.rs

@@ -1,3 +1,4 @@
+#![allow(clippy::op_ref, clippy::let_underscore_future)]
 use std::{borrow::Borrow, borrow::BorrowMut, task::Poll};
 
 use ntex_bytes::{Buf, BufMut, Bytes, BytesMut, BytesVec, Pool, PoolId, PoolRef};