diff --git a/src/hash/murmur3.rs b/src/hash/murmur3.rs
index 8c953e7..70d4570 100644
--- a/src/hash/murmur3.rs
+++ b/src/hash/murmur3.rs
@@ -3,14 +3,18 @@ use murmur3::murmur3_32;
 use std::io::Result;
 
 pub fn hash<'a>(file: &'a mut dyn Readable<'a>, offset: u64, size: u64) -> Result<u32> {
+    println!("checkpoint 1");
     let pos_before = file.pos()?;
 
+    println!("checkpoint 2");
     let mut limited = file.limit(offset, size)?;
 
+    println!("checkpoint 3");
     let result = murmur3_32(&mut limited, 0x31082007)?;
+    println!("checkpoint 4");
     let file = limited.unlimit();
-
+    println!("checkpoint 5");
     file.to(pos_before)?;
-
+    println!("checkpoint 6");
     Ok(result)
 }