fix negative impl assertion on 1.60+

see https://github.com/rust-lang/rust/issues/94791

actix-http/Cargo.toml

@@ -110,6 +110,7 @@ memchr = "2.4"
 once_cell = "1.9"
 rcgen = "0.8"
 regex = "1.3"
+rustversion = "1"
 rustls-pemfile = "0.2"
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"

actix-http/src/h1/payload.rs

@@ -263,7 +263,10 @@ mod tests {
     assert_not_impl_any!(Payload: Send, Sync, UnwindSafe, RefUnwindSafe);
 
     assert_impl_all!(Inner: Unpin, Send, Sync);
+    #[rustversion::before(1.60)]
     assert_not_impl_any!(Inner: UnwindSafe, RefUnwindSafe);
+    #[rustversion::since(1.60)]
+    assert_impl_all!(Inner: UnwindSafe, RefUnwindSafe);
 
     #[actix_rt::test]
     async fn test_unread_data() {