lib: enable compile-time warnings

src/lib.rs

@@ -22,6 +22,17 @@
 
 //! Extracts audio data and metadata from an NRG image of an audio CD.
 
+#![warn(box_pointers,
+        missing_copy_implementations,
+        missing_debug_implementations,
+        //missing_docs,
+        trivial_casts,
+        trivial_numeric_casts,
+        unused_extern_crates,
+        unused_import_braces,
+        unused_qualifications,
+        variant_size_differences)]
+
 pub mod error;
 pub mod metadata;
 pub mod cue_sheet;