Fix compilation with default features

Author: KirmesBude

wgpu-core/src/binding_model.rs

@@ -23,6 +23,7 @@ use arrayvec::ArrayVec;
 
 #[cfg(feature = "serde")]
 use serde::Deserialize;
+#[cfg(feature = "serde")]
 use serde::Serialize;
 
 use std::{borrow::Cow, ops::Range, sync::Arc};

wgpu-types/src/lib.rs

@@ -11,6 +11,7 @@
 
 #[cfg(any(feature = "serde", test))]
 use serde::Deserialize;
+#[cfg(any(feature = "serde", test))]
 use serde::Serialize;
 use std::hash::{Hash, Hasher};
 use std::path::PathBuf;