Fix various minor warnings

Author: Limeth

src/cbor.rs

@@ -14,7 +14,6 @@ pub use coset::cbor::Value;
 use indexmap::{Equivalent, IndexMap};
 use serde::{Deserialize, Serialize};
 use serde_with::SerializeAs;
-use thiserror::Error;
 
 use crate::error::{Error, Result};
 

src/record/mod.rs

@@ -74,7 +74,7 @@ impl TryFrom<&Integer> for RecordMetadataId {
 
     fn try_from(value: &Integer) -> std::result::Result<Self, ()> {
         // Consider using the `num_enum` crate if this becomes cumbersome.
-        let value: u64 = value.clone().try_into().map_err(|_| ())?;
+        let value: u64 = (*value).try_into().map_err(|_| ())?;
         Ok(match value {
             _ if value == Self::CreatedAt as u64 => Self::CreatedAt,
             _ => return Err(()),

src/record/segment.rs

@@ -538,7 +538,7 @@ impl Segment {
                         length: plaintext.len() as u64,
                         max_length: encryption.padding_to_bytes,
                     })?;
-                plaintext.extend(std::iter::repeat(0_u8).take(padding_length as usize));
+                plaintext.extend(std::iter::repeat_n(0_u8, padding_length as usize));
                 plaintext
             };
             let encryption_key = fragment_key

src/registry.rs

@@ -35,7 +35,7 @@ use tokio::{
     io::{AsyncRead, AsyncWrite},
 };
 use tokio_util::io::SyncIoBridge;
-use tracing::{info, instrument, warn};
+use tracing::instrument;
 
 pub const BYTES_HASH_PEPPER_RECOMMENDED: usize = 32;
 
@@ -93,7 +93,7 @@ where
         }
 
         if value < P::RECOMMENDED {
-            warn!(
+            tracing::warn!(
                 "parameter {label:?} is set to the value {value:?} lower than the recommended value of {recommended:?}",
                 label = P::LABEL,
                 value = value,