bump Rust and add patch

Author: RalfJung

rust-src.diff

@@ -0,0 +1,18 @@
+diff --git a/library/std/src/sync/mpsc/tests.rs b/library/std/src/sync/mpsc/tests.rs
+index 82c52eb4fef..1e52a4a705c 100644
+--- a/library/std/src/sync/mpsc/tests.rs
++++ b/library/std/src/sync/mpsc/tests.rs
+@@ -713,10 +713,11 @@ fn issue_39364() {
+     let t = thread::spawn(move || {
+         thread::sleep(Duration::from_millis(300));
+         let _ = tx.clone();
+-        crate::mem::forget(tx);
++        // Don't drop; hand back to caller.
++        tx
+     });
+ 
+     let _ = rx.recv_timeout(Duration::from_millis(500));
+-    t.join().unwrap();
++    let _tx = t.join().unwrap(); // delay dropping until end of test
+     let _ = rx.recv_timeout(Duration::from_millis(500));
+ }

rust-version

@@ -1 +1 @@
-nightly-2022-11-10
+nightly-2022-11-14