finish doc_cfg for tracing-log

Author: yaahc

tracing-log/src/lib.rs

@@ -87,6 +87,7 @@
 //! [`Subscriber`]: https://docs.rs/tracing/latest/tracing/trait.Subscriber.html
 //! [`tracing::Event`]: https://docs.rs/tracing/latest/tracing/struct.Event.html
 #![doc(html_root_url = "https://docs.rs/tracing-log/0.1.1")]
+#![cfg_attr(docsrs, feature(doc_cfg))]
 #![warn(
     missing_debug_implementations,
     missing_docs,
@@ -123,16 +124,20 @@ use tracing_core::{
 };
 
 #[cfg(feature = "log-tracer")]
+#[cfg_attr(docsrs, doc(cfg(feature = "log-tracer")))]
 pub mod log_tracer;
 
 #[cfg(feature = "trace-logger")]
+#[cfg_attr(docsrs, doc(cfg(feature = "trace-logger")))]
 pub mod trace_logger;
 
 #[cfg(feature = "log-tracer")]
+#[cfg_attr(docsrs, doc(cfg(feature = "log-tracer")))]
 #[doc(inline)]
 pub use self::log_tracer::LogTracer;
 
 #[cfg(feature = "trace-logger")]
+#[cfg_attr(docsrs, doc(cfg(feature = "trace-logger")))]
 #[deprecated(
     since = "0.1.1",
     note = "use the `tracing` crate's \"log\" feature flag instead"
@@ -142,6 +147,7 @@ pub use self::log_tracer::LogTracer;
 pub use self::trace_logger::TraceLogger;
 
 #[cfg(feature = "env_logger")]
+#[cfg_attr(docsrs, doc(cfg(feature = "env_logger")))]
 pub mod env_logger;
 
 /// Format a log record as a trace event in the current span.

tracing-log/src/log_tracer.rs

@@ -112,6 +112,7 @@ impl LogTracer {
     ///
     /// [`builder`]: #method.builder
     #[cfg(feature = "std")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
     pub fn init_with_filter(level: log::LevelFilter) -> Result<(), SetLoggerError> {
         Self::builder().with_max_level(level).init()
     }
@@ -146,6 +147,7 @@ impl LogTracer {
     /// [`init_with_filter`]: #method.init_with_filter
     /// [`builder`]: #method.builder
     #[cfg(feature = "std")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
     pub fn init() -> Result<(), SetLoggerError> {
         Self::builder().init()
     }
@@ -241,6 +243,7 @@ impl Builder {
     ///
     /// Setting a global logger can only be done once.
     #[cfg(feature = "std")]
+    #[cfg_attr(docsrs, doc(cfg(feature = "std")))]
     pub fn init(self) -> Result<(), SetLoggerError> {
         let ignore_crates = self.ignore_crates.into_boxed_slice();
         let logger = Box::new(LogTracer { ignore_crates });