diff --git a/crates/oa-core/examples/arrange_reset_native_probe.rs b/crates/oa-core/examples/arrange_reset_native_probe.rs
index ce9c250c..6ba3bfb7 100644
--- a/crates/oa-core/examples/arrange_reset_native_probe.rs
+++ b/crates/oa-core/examples/arrange_reset_native_probe.rs
@@ -208,9 +208,9 @@ fn source_bytes(p: &Project) -> Vec<u8> {
 
 fn main() -> Result<(), Box<dyn Error>> {
     let mut args = std::env::args_os().skip(1);
-    let first = args.next().ok_or(
-        "Usage: arrange_reset_native_probe NEW_DIRECTORY | --compare ACTUAL EXPECTED",
-    )?;
+    let first = args
+        .next()
+        .ok_or("Usage: arrange_reset_native_probe NEW_DIRECTORY | --compare ACTUAL EXPECTED")?;
     if first == "--compare" {
         let actual_path = args.next().ok_or("Missing ACTUAL path")?;
         let expected_path = args.next().ok_or("Missing EXPECTED path")?;
@@ -220,9 +220,12 @@ fn main() -> Result<(), Box<dyn Error>> {
         let actual = persistence::decode(&fs::read(actual_path)?)?;
         let expected = persistence::decode(&fs::read(expected_path)?)?;
         let equal = actual == expected;
-        println!("{}", json!({"complete_project_equal": equal,
+        println!(
+            "{}",
+            json!({"complete_project_equal": equal,
             "actual_diagrams": actual.diagrams.len(),
-            "expected_diagrams": expected.diagrams.len()}));
+            "expected_diagrams": expected.diagrams.len()})
+        );
         if !equal {
             return Err("Complete typed Projects differ".into());
         }