add otel_error

Author: lalitb

opentelemetry/src/trace/context.rs

@@ -1,6 +1,6 @@
 //! Context extensions for tracing
 use crate::{
-    global,
+    global, otel_debug,
     trace::{Span, SpanContext, Status},
     Context, ContextGuard, KeyValue,
 };
@@ -55,8 +55,12 @@ impl SpanRef<'_> {
         if let Some(ref inner) = self.0.inner {
             match inner.lock() {
                 Ok(mut locked) => f(&mut locked),
-                Err(_) => {
-                    // Ignoring the error silently. TODO: Add specific handling if needed.
+                Err(err) => {
+                    otel_debug!(
+                        name: "SpanRef.LockFailed",
+                        message = "Failed to acquire lock for SpanRef: {:?}",
+                        reason = format!("{:?}", err),
+                        span_context = format!("{:?}", self.0.span_context));
                 }
             }
         }