diff --git a/CMakeLists.txt b/CMakeLists.txt
index 17b4dca..c7c8bbb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,21 +20,21 @@ else()
 endif()
 
 if(FUN_USE_MUSL)
-    set(_FUN_USE_MUSL_STATE "ENABLED")
+  set(_FUN_USE_MUSL_STATE "ENABLED")
 else()
-    set(_FUN_USE_MUSL_STATE "DISABLED")
+  set(_FUN_USE_MUSL_STATE "DISABLED")
 endif()
 
 if(FUN_WITH_CPP)
-    set(_FUN_WITH_CPP_STATE "ENABLED")
+  set(_FUN_WITH_CPP_STATE "ENABLED")
 else()
-    set(_FUN_WITH_CPP_STATE "DISABLED")
+  set(_FUN_WITH_CPP_STATE "DISABLED")
 endif()
 
 if(FUN_WITH_RUST)
-    set(_FUN_WITH_RUST_STATE "ENABLED")
+  set(_FUN_WITH_RUST_STATE "ENABLED")
 else()
-    set(_FUN_WITH_RUST_STATE "DISABLED")
+  set(_FUN_WITH_RUST_STATE "DISABLED")
 endif()
 
 message(STATUS "==== Fun build options ====")
diff --git a/examples/rust_vm_access.fun b/examples/error/rust_vm_access.fun
similarity index 100%
rename from examples/rust_vm_access.fun
rename to examples/error/rust_vm_access.fun