fix(controller/reporting): make clippy happy

kuyaseg-controller/src/reporting/tracing_evt.rs

@@ -27,8 +27,13 @@ use crate::reporting::prometheus::{
 /// - k8s events are not automatically recorded
 /// - prometheus labels are recorded if metrics are set for layer
 pub enum TracingK8sEvent {
-    K8sEvent { reference: ObjectReference, event: Event },
-    ProLabel { label: ProLabel },
+    K8sEvent {
+        reference: ObjectReference,
+        event: Box<Event>,
+    },
+    ProLabel {
+        label: ProLabel,
+    },
 }
 
 /// Watches for tracing events, containing information necessary to construst k8s events and write prometheus metrics.
@@ -124,16 +129,16 @@ where
             _ = tx
                 .send(TracingK8sEvent::K8sEvent {
                     reference: span_fields.to_object(),
-                    event,
+                    event: Box::new(event),
                 })
                 .inspect_err(|e| tracing::error!(debug=?e, "Failed to issue event on k8s event from tracing"));
         }
 
         // write/measure pro event
         if let Some(label) = try_create_pro_label(&span_fields, &event_fields, pro_severity) {
-            self.metrics.read().as_ref().map(|metrics| {
+            if let Some(metrics) = self.metrics.read().as_ref() {
                 metrics.measure(&label);
-            });
+            }
 
             _ = tx.send(TracingK8sEvent::ProLabel { label }).inspect_err(
                 |e| tracing::error!(debug=?e, "Failed to issue event on prometheus label measure from tracing"),
@@ -262,9 +267,8 @@ impl Visit for EventFields {
     }
 
     fn record_bool(&mut self, field: &tracing::field::Field, value: bool) {
-        match field.name() {
-            "critical" => self.critical = Some(value),
-            _ => {}
+        if field.name() == "critical" {
+            self.critical = Some(value)
         }
     }