Use &dyn Any rather than &(dyn Any + Send) for panic payload.

The `Send` is useless here, because it's a reference.

Author: m-ou-se

library/core/src/panic/panic_info.rs

@@ -24,7 +24,7 @@ use crate::panic::Location;
 #[stable(feature = "panic_hooks", since = "1.10.0")]
 #[derive(Debug)]
 pub struct PanicInfo<'a> {
-    payload: &'a (dyn Any + Send),
+    payload: &'a dyn Any,
     message: Option<&'a fmt::Arguments<'a>>,
     location: &'a Location<'a>,
     can_unwind: bool,
@@ -81,7 +81,7 @@ impl<'a> PanicInfo<'a> {
     /// ```
     #[must_use]
     #[stable(feature = "panic_hooks", since = "1.10.0")]
-    pub fn payload(&self) -> &(dyn Any + Send) {
+    pub fn payload(&self) -> &dyn Any {
         self.payload
     }
 

library/test/src/test_result.rs

@@ -27,7 +27,7 @@ pub enum TestResult {
 /// and associated data.
 pub fn calc_result<'a>(
     desc: &TestDesc,
-    task_result: Result<(), &'a (dyn Any + 'static + Send)>,
+    task_result: Result<(), &'a dyn Any>,
     time_opts: &Option<time::TestTimeOptions>,
     exec_time: &Option<time::TestExecTime>,
 ) -> TestResult {