use log! results

src/utils.rs

@@ -17,8 +17,8 @@ macro_rules! log {
             .open("phetch.log")
         {
             use std::io::prelude::*;
-            file.write($e.as_ref());
-            file.write(b"\n");
+            file.write($e.as_ref()).unwrap();
+            file.write(b"\n").unwrap();
         }
     }
     }};