format

Author: TommyCpp

examples/tracing-grpc/src/client.rs

@@ -6,7 +6,6 @@ use opentelemetry_sdk::{
 };
 use opentelemetry_stdout::SpanExporterBuilder;
 
-use opentelemetry::trace::FutureExt;
 use opentelemetry::{
     trace::{SpanKind, TraceContextExt, Tracer},
     Context, KeyValue,

opentelemetry-stdout/src/trace/encoder.rs

@@ -4,7 +4,7 @@ use opentelemetry_sdk::export::trace::SpanData;
 use std::io::Write;
 
 /// serializes spans to stdout using pretty-printed JSON.
-/// 
+///
 /// ```rust
 /// use opentelemetry_stdout::SpanExporterBuilder;
 ///