need to use the display function for the path or it rebuilds every time

payment-contracts/build.rs

@@ -5,7 +5,7 @@ fn main() {
     // Tell Cargo that if the given file changes, to rerun this build script.
     glob("./abi/*.json").unwrap().for_each(|x| {
         if let Ok(x) = x {
-            println!("cargo:rerun-if-changed={:?}", x);
+            println!("cargo:rerun-if-changed={}", x.display());
         }
     });