Fix the warns from clippy lints

Signed-off-by: utam0k <k0ma@utam0k.jp>

clippy.toml

@@ -1 +1 @@
-msrv = "1.65"
+msrv = "1.66"

crates/client/vendor/github.com/containerd/containerd/api/services/events/v1/events.proto

@@ -45,7 +45,7 @@ service Events {
 	//
 	// Unlike many other methods in containerd, subscribers will get messages
 	// from all namespaces unless otherwise specified. If this is not desired,
-	// a filter can be provided in the format 'namespace==<namespace>' to
+	// a filter can be provided in the format 'namespace=={namespace}' to
 	// restrict the received events.
 	rpc Subscribe(SubscribeRequest) returns (stream Envelope);
 }

crates/runc-shim/src/asynchronous/runc.rs

@@ -397,7 +397,7 @@ impl ProcessLifecycle<ExecProcess> for RuncExecLifecycle {
         } else {
             // TODO this is kill from nix crate, it is os specific, maybe have annotated with target os
             kill(
-                Pid::from_raw(p.pid as i32),
+                Pid::from_raw(p.pid),
                 nix::sys::signal::Signal::try_from(signal as i32).unwrap(),
             )
             .map_err(Into::into)

crates/runc-shim/src/synchronous/task.rs

@@ -360,7 +360,7 @@ where
         })?;
 
         let resp = ConnectResponse {
-            shim_pid: process::id() as u32,
+            shim_pid: process::id(),
             task_pid: container.pid() as u32,
             ..Default::default()
         };

crates/shim/src/asynchronous/task.rs

@@ -344,7 +344,7 @@ where
         let container = self.get_container(req.id()).await?;
 
         Ok(ConnectResponse {
-            shim_pid: std::process::id() as u32,
+            shim_pid: std::process::id(),
             task_pid: container.pid().await as u32,
             ..Default::default()
         })

crates/shim/src/logger.rs

@@ -108,7 +108,7 @@ mod tests {
                 .write(false)
                 .read(true)
                 .create(false)
-                .open(&path1)
+                .open(path1)
                 .unwrap();
         });