chore: Fix cargo deny warnings (#1374)

interop/Cargo.toml

@@ -31,7 +31,7 @@ tonic = {path = "../tonic", features = ["tls"]}
 tower = {version = "0.4"}
 tracing = "0.1"
 tracing-log = "0.1"
-tracing-subscriber = {version = "0.3", features = ["env-filter"]}
+tracing-subscriber = {version = "0.3"}
 
 [build-dependencies]
 tonic-build = {path = "../tonic-build", features = ["prost"]}

interop/src/lib.rs

@@ -12,12 +12,7 @@ pub mod pb {
 use std::{default, fmt, iter};
 
 pub fn trace_init() {
-    let sub = tracing_subscriber::FmtSubscriber::builder()
-        .with_env_filter(tracing_subscriber::filter::EnvFilter::from_default_env())
-        .finish();
-
-    let _ = tracing::subscriber::set_global_default(sub);
-    let _ = tracing_log::LogTracer::init();
+    tracing_subscriber::fmt::init();
 }
 
 pub fn client_payload(size: usize) -> pb::Payload {