Fix build on rustc 1.54.0-beta.1

src/backend/vulkan/device.rs

@@ -2082,7 +2082,7 @@ impl Device {
 
         let total_size_usize = group_size_usize
             .checked_mul(info.groups.len())
-            .ok_or_else(host_memory_space_overlow)?;
+            .unwrap_or_else(|| host_memory_space_overlow());
 
         let group_count = u32::try_from(info.groups.len()).map_err(|_| OutOfMemory)?;