style: cargo fmt sweep under rustc 1.97.1 (toolchain reformat, no semantic change)

tests/preempt.rs

@@ -43,10 +43,21 @@ fn check_yields_when_timeslice_expired() {
     let pos_big_b = v.iter().position(|&c| c == b'B').unwrap();
     let pos_lit_a = v.iter().position(|&c| c == b'a').unwrap();
     let pos_lit_b = v.iter().position(|&c| c == b'b').unwrap();
-    assert!(pos_big_a < pos_lit_a, "A's tail ran before B's head: {:?}", *v);
-    assert!(pos_big_b < pos_lit_b, "B's tail ran before A's head: {:?}", *v);
-    assert!(pos_big_a.max(pos_big_b) < pos_lit_a.min(pos_lit_b),
-        "preemption didn't interleave: {:?}", *v);
+    assert!(
+        pos_big_a < pos_lit_a,
+        "A's tail ran before B's head: {:?}",
+        *v
+    );
+    assert!(
+        pos_big_b < pos_lit_b,
+        "B's tail ran before A's head: {:?}",
+        *v
+    );
+    assert!(
+        pos_big_a.max(pos_big_b) < pos_lit_a.min(pos_lit_b),
+        "preemption didn't interleave: {:?}",
+        *v
+    );
 }
 
 #[test]