Enable serde derive feature when built by docs.rs

dtolnay · dtolnay · commit fb7b6ea7ea88 · 2023-03-14T00:33:41.000-07:00
diff --git a/serde/Cargo.toml b/serde/Cargo.toml
@@ -27,6 +27,7 @@ doc-scrape-examples = false
 features = ["derive", "rc"]
 
 [package.metadata.docs.rs]
+features = ["derive"]
 targets = ["x86_64-unknown-linux-gnu"]
 
 
