chore: Fix cargo deny warnings (#1374)

deny.toml

@@ -34,7 +34,6 @@ allow = [
     "OpenSSL",
     "Zlib",
     "Unicode-DFS-2016",
-    "MPL-2.0",
 ]
 
 [[licenses.clarify]]

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 {

tests/integration_tests/Cargo.toml

@@ -14,7 +14,7 @@ futures-util = "0.3"
 prost = "0.11"
 tokio = {version = "1.0", features = ["macros", "rt-multi-thread", "net"]}
 tonic = {path = "../../tonic"}
-tracing-subscriber = {version = "0.3", features = ["env-filter"]}
+tracing-subscriber = {version = "0.3"}
 
 [dev-dependencies]
 async-stream = "0.3"

tests/integration_tests/src/lib.rs

@@ -55,7 +55,5 @@ pub mod mock {
 }
 
 pub fn trace_init() {
-    let _ = tracing_subscriber::FmtSubscriber::builder()
-        .with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
-        .try_init();
+    tracing_subscriber::fmt::init();
 }

tests/integration_tests/tests/status.rs

@@ -130,7 +130,7 @@ type Stream<T> =
 
 #[tokio::test]
 async fn status_from_server_stream() {
-    trace_init();
+    integration_tests::trace_init();
 
     struct Svc;
 
@@ -178,7 +178,7 @@ async fn status_from_server_stream() {
 
 #[tokio::test]
 async fn status_from_server_stream_with_source() {
-    trace_init();
+    integration_tests::trace_init();
 
     let channel = Endpoint::try_from("http://[::]:50051")
         .unwrap()
@@ -193,9 +193,3 @@ async fn status_from_server_stream_with_source() {
     let source = error.source().unwrap();
     source.downcast_ref::<tonic::transport::Error>().unwrap();
 }
-
-fn trace_init() {
-    let _ = tracing_subscriber::FmtSubscriber::builder()
-        .with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
-        .try_init();
-}