Enable tracing by default (#2460)

Author: davidpdrsn

axum/CHANGELOG.md

@@ -10,11 +10,13 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - **added:** `Body` implements `From<()>` now ([#2411])
 - **change:** Update version of multer used internally for multipart ([#2433])
 - **change:** Update tokio-tungstenite to 0.21 ([#2435])
+- **added:** Enable `tracing` feature by default ([#2460])
 - **added:** Support graceful shutdown on `serve` ([#2398])
 
 [#2411]: https://github.com/tokio-rs/axum/pull/2411
 [#2433]: https://github.com/tokio-rs/axum/pull/2433
 [#2435]: https://github.com/tokio-rs/axum/pull/2435
+[#2460]: https://github.com/tokio-rs/axum/pull/2460
 [#2398]: https://github.com/tokio-rs/axum/pull/2398
 
 # 0.7.2 (03. December, 2023)

axum/Cargo.toml

@@ -12,7 +12,17 @@ readme = "README.md"
 repository = "https://github.com/tokio-rs/axum"
 
 [features]
-default = ["form", "http1", "json", "matched-path", "original-uri", "query", "tokio", "tower-log"]
+default = [
+    "form",
+    "http1",
+    "json",
+    "matched-path",
+    "original-uri",
+    "query",
+    "tokio",
+    "tower-log",
+    "tracing",
+]
 form = ["dep:serde_urlencoded"]
 http1 = ["dep:hyper", "hyper?/http1"]
 http2 = ["dep:hyper", "hyper?/http2"]

axum/src/docs/extract.md

@@ -707,9 +707,9 @@ async fn handler(
 # Logging rejections
 
 All built-in extractors will log rejections for easier debugging. To see the
-logs, enable the `tracing` feature for axum and the `axum::rejection=trace`
-tracing target, for example with `RUST_LOG=info,axum::rejection=trace cargo
-run`.
+logs, enable the `tracing` feature for axum (enabled by default) and the
+`axum::rejection=trace` tracing target, for example with
+`RUST_LOG=info,axum::rejection=trace cargo run`.
 
 [`body::Body`]: crate::body::Body
 [`Bytes`]: crate::body::Bytes