THRIFT-5600: upgrade rust toolchain to 1.61 and edition 2021
THRIFT-5606: Wrong indent for const double
Client: rs
Patch: Ommy Zhang <tdxdxoz@gmail.com>

This closes #2634
diff --git a/lib/rs/test_recursive/src/lib.rs b/lib/rs/test_recursive/src/lib.rs
index bac37b4..5b9211c 100644
--- a/lib/rs/test_recursive/src/lib.rs
+++ b/lib/rs/test_recursive/src/lib.rs
@@ -17,9 +17,9 @@
 
 #![allow(dead_code)]
 
+pub mod maintenance;
 pub mod transit;
 pub mod vehicles;
-pub mod maintenance;
 
 mod server {
     use crate::maintenance::maintenance_facility::{