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

tests/monitor.rs

@@ -67,7 +67,10 @@ fn monitor_already_dead_target_is_noproc() {
         // and its generation bumped, so `pid` is now stale.
         h.join().unwrap();
         let down = monitor(pid);
-        let d = down.rx.recv().expect("NoProc Down should be delivered immediately");
+        let d = down
+            .rx
+            .recv()
+            .expect("NoProc Down should be delivered immediately");
         assert_eq!(d.pid, pid);
         if matches!(d.reason, DownReason::NoProc) {
             o.store(true, Ordering::SeqCst);
@@ -91,7 +94,11 @@ fn multiple_monitors_all_notified() {
             }
         }
     });
-    assert_eq!(count.load(Ordering::SeqCst), 3, "every monitor should see the Down");
+    assert_eq!(
+        count.load(Ordering::SeqCst),
+        3,
+        "every monitor should see the Down"
+    );
 }
 
 #[test]
@@ -103,8 +110,15 @@ fn demonitor_stops_delivery() {
         let h = spawn(|| {});
         let pid = h.pid();
         let m = monitor(pid);
-        assert_eq!(demonitor(&m), Some(m.id), "live registration should be removed");
-        assert!(m.rx.recv().is_err(), "no Down should arrive after demonitor");
+        assert_eq!(
+            demonitor(&m),
+            Some(m.id),
+            "live registration should be removed"
+        );
+        assert!(
+            m.rx.recv().is_err(),
+            "no Down should arrive after demonitor"
+        );
         let _ = h.join();
     });
 }
@@ -122,7 +136,10 @@ fn demonitor_one_of_many() {
         let _ = h.join();
         assert!(matches!(ms[0].rx.recv().unwrap().reason, DownReason::Exit));
         assert!(matches!(ms[2].rx.recv().unwrap().reason, DownReason::Exit));
-        assert!(ms[1].rx.recv().is_err(), "demonitored channel should be closed");
+        assert!(
+            ms[1].rx.recv().is_err(),
+            "demonitored channel should be closed"
+        );
     });
 }
 
@@ -136,7 +153,11 @@ fn demonitor_after_fire_is_none() {
         let m = monitor(pid);
         let d = m.rx.recv().expect("Down before close");
         assert!(matches!(d.reason, DownReason::Exit));
-        assert_eq!(demonitor(&m), None, "already-fired monitor has nothing to remove");
+        assert_eq!(
+            demonitor(&m),
+            None,
+            "already-fired monitor has nothing to remove"
+        );
         let _ = h.join();
     });
 }