Allow clippy::incompatible_msrv

(cherry picked from commit 1900fae)

Author: cuviper

rayon-core/tests/stack_overflow_crash.rs

@@ -8,6 +8,7 @@ use std::os::unix::process::ExitStatusExt;
 
 fn force_stack_overflow(depth: u32) {
     let mut buffer = [0u8; 1024 * 1024];
+    #[allow(clippy::incompatible_msrv)]
     std::hint::black_box(&mut buffer);
     if depth > 0 {
         force_stack_overflow(depth - 1);