Skip serde tests for miri

Author: seritools

.github/workflows/ci.yml

@@ -100,4 +100,4 @@ jobs:
             - name: Run Miri
               run: |
                   cargo miri setup
-                  cargo miri test -- -Zmiri-disable-isolation -- --skip proptest
+                  cargo miri test -- -Zmiri-disable-isolation -- --skip proptest --skip ser_de

src/test.rs

@@ -494,6 +494,7 @@ mod tests {
         assert_eq!(Ordering::Equal, string.cmp(&control_smart));
     }
 
+    #[cfg(feature = "serde")]
     #[test]
     fn test_ser_de() {
         use serde_test::{assert_tokens, Token};