Fix some missing #[must_use]

src/array.rs

@@ -386,11 +386,13 @@ impl<TStorage: ?Sized> Array<TStorage> {
     }
 
     /// Create an array builder matching the parameters of this array
+    #[must_use]
     pub fn builder(&self) -> ArrayBuilder {
         ArrayBuilder::from_array(self)
     }
 
     /// Return the shape of the chunk grid (i.e., the number of chunks).
+    #[must_use]
     pub fn chunk_grid_shape(&self) -> Option<Vec<u64>> {
         unsafe { self.chunk_grid().grid_shape_unchecked(self.shape()) }
     }

src/array/array_builder.rs

@@ -112,6 +112,7 @@ impl ArrayBuilder {
     }
 
     /// Create a new builder copying the configuration of an existing array.
+    #[must_use]
     pub fn from_array<T: ?Sized>(array: &Array<T>) -> Self {
         let mut builder = Self::new(
             array.shape().to_vec(),
@@ -307,9 +308,6 @@ impl ArrayBuilder {
             dimension_names: self.dimension_names.clone(),
             additional_fields: self.additional_fields.clone(),
             parallel_codecs: self.parallel_codecs,
-            chunk_locks: parking_lot::Mutex::default(),
-            #[cfg(feature = "async")]
-            async_chunk_locks: async_lock::Mutex::default(),
             include_zarrs_metadata: true,
         })
     }