Make explicit rust version requirement (#35)

diff --git a/docs/en/contribution/compiling.md b/docs/en/contribution/compiling.md
index 9b4be77..b928840 100644
--- a/docs/en/contribution/compiling.md
+++ b/docs/en/contribution/compiling.md
@@ -20,7 +20,7 @@
 
 ## Install Rust Environment
 
-Install Rust globally.
+Install Rust 1.65.0+ globally.
 
 For Linux user: