Re-format let-else per rustfmt update

Author: Mark-Simulacrum

core/src/array/mod.rs

@@ -925,7 +925,7 @@ fn iter_next_chunk_erased<T>(
             // so we need to defuse the guard instead of using `?`.
             let initialized = guard.initialized;
             mem::forget(guard);
-            return Err(initialized)
+            return Err(initialized);
         };
 
         // SAFETY: The loop condition ensures we have space to push the item

core/src/str/pattern.rs

@@ -1750,7 +1750,9 @@ fn simd_contains(needle: &str, haystack: &str) -> Option<bool> {
         1
     } else {
         // try a few bytes in case first and last byte of the needle are the same
-        let Some(second_probe_offset) = (needle.len().saturating_sub(4)..needle.len()).rfind(|&idx| needle[idx] != first_probe) else {
+        let Some(second_probe_offset) =
+            (needle.len().saturating_sub(4)..needle.len()).rfind(|&idx| needle[idx] != first_probe)
+        else {
             // fall back to other search methods if we can't find any different bytes
             // since we could otherwise hit some degenerate cases
             return None;