Use doc_auto_cfg for automatic cfg documentation

crates/ruma-client-api/src/lib.rs

@@ -6,7 +6,7 @@
 //! [client-api]: https://matrix.org/docs/spec/client_server/r0.6.1.html
 
 #![warn(missing_docs)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 pub mod error;
 pub mod r0;

crates/ruma-client/src/lib.rs

@@ -90,7 +90,7 @@
 //!   * `reqwest-rustls-native-roots`
 
 #![warn(missing_docs)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 use std::{
     future::Future,

crates/ruma-common/src/lib.rs

@@ -3,7 +3,7 @@
 //! Common types for other ruma crates.
 
 #![warn(missing_docs)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 pub mod authentication;
 pub mod directory;

crates/ruma-events/src/lib.rs

@@ -113,7 +113,7 @@
 
 #![recursion_limit = "1024"]
 #![warn(missing_docs)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 use std::fmt::Debug;
 

crates/ruma-federation-api/src/lib.rs

@@ -6,7 +6,7 @@
 //! [federation-api]: https://matrix.org/docs/spec/server_server/r0.1.4.html
 
 #![warn(missing_docs)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 mod serde;
 

crates/ruma-identifiers/src/lib.rs

@@ -6,7 +6,7 @@
 #![warn(missing_docs)]
 // FIXME: Remove once lint doesn't trigger on std::convert::TryFrom in macros.rs anymore
 #![allow(unused_qualifications)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_auto_cfg))]
 
 // Renamed in `Cargo.toml` so we can have a serde feature.
 // Rename it back here because `serde1` is ugly.

crates/ruma/src/lib.rs

@@ -66,7 +66,7 @@
 //! clicking **Feature flags** in the toolbar at the top.
 
 #![warn(missing_docs)]
-#![cfg_attr(docsrs, feature(doc_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
 
 #[doc(no_inline)]
 pub use assign::assign;