Fix Clippy warnings

clippy 0.1.78 (4147533e05e 2024-03-27)

README.md

@@ -382,7 +382,6 @@ in `u32`, and the cache will evict entries when the total weighted size exceeds
 `max_capacity`.
 
 ```rust
-use std::convert::TryInto;
 use moka::sync::Cache;
 
 fn main() {

examples/reinsert_expired_entries_sync.rs

@@ -45,13 +45,15 @@ fn main() {
     // We are going to solve this by making the Sender globally accessible via the
     // static OnceLock, and make the eviction listener to clone it per thread.
     static SND: OnceLock<Mutex<Sender<Command>>> = OnceLock::new();
+    #[allow(clippy::incompatible_msrv)] // `set` is stable since 1.70.0.
     SND.set(Mutex::new(snd.clone())).unwrap();
 
     // Create the eviction listener.
     let listener = move |key: Arc<String>, value: u32, cause: RemovalCause| {
         // Keep a clone of the Sender in our thread-local variable, so that we can
         // send a command without locking the Mutex every time.
         thread_local! {
+            #[allow(clippy::incompatible_msrv)] // `get` is stable since 1.70.0.
             static THREAD_SND: Sender<Command> = SND.get().unwrap().lock().unwrap().clone();
         }
 

examples/size_aware_eviction_sync.rs

@@ -1,5 +1,4 @@
 use moka::sync::Cache;
-use std::convert::TryInto;
 
 fn main() {
     let cache = Cache::builder()

src/common.rs

@@ -1,5 +1,3 @@
-use std::convert::TryInto;
-
 pub(crate) mod builder_utils;
 pub(crate) mod concurrent;
 pub(crate) mod deque;

src/future/cache.rs

@@ -200,7 +200,6 @@ use std::sync::atomic::{AtomicBool, Ordering};
 /// // tokio = { version = "1", features = ["rt-multi-thread", "macros" ] }
 /// // futures-util = "0.3"
 ///
-/// use std::convert::TryInto;
 /// use moka::future::Cache;
 ///
 /// #[tokio::main]

src/sync/cache.rs

@@ -177,7 +177,6 @@ use std::{
 /// # Example: Size-based Eviction
 ///
 /// ```rust
-/// use std::convert::TryInto;
 /// use moka::sync::Cache;
 ///
 /// // Evict based on the number of entries in the cache.