Index: uncased/src/tests.rs
===================================================================
--- uncased.orig/src/tests.rs
+++ uncased/src/tests.rs
@@ -60,6 +60,7 @@ fn test_case_cmp() {
 }
 
 #[test]
+#[cfg(feature = "alloc")]
 fn test_into_arc() {
     let arced: alloc::sync::Arc<UncasedStr> = UncasedStr::new("FOOBAR").into();
     assert!(UncasedStr::new("foobar") == arced.as_ref());