Fix new warnings on rust beta

Author: weiznich

Cargo.toml

@@ -84,8 +84,8 @@ features = [
         "r2d2",
 ]
 no-default-features = true
-rustc-args = ["--cfg", "doc_cfg"]
-rustdoc-args = ["--cfg", "doc_cfg"]
+rustc-args = ["--cfg", "docsrs"]
+rustdoc-args = ["--cfg", "docsrs"]
 
 [workspace]
 members = [

src/lib.rs

@@ -1,4 +1,4 @@
-#![cfg_attr(doc_cfg, feature(doc_cfg, doc_auto_cfg))]
+#![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
 //! Diesel-async provides async variants of diesel related query functionality
 //!
 //! diesel-async is an extension to diesel itself. It is designed to be used together