Enable more compliler lints.

lib/cretonne/src/lib.rs

@@ -1,6 +1,8 @@
 //! Cretonne code generation library.
 
-#![deny(missing_docs)]
+#![deny(missing_docs,
+        trivial_numeric_casts,
+        unused_extern_crates)]
 
 pub use context::Context;
 pub use legalizer::legalize_function;

lib/filecheck/src/lib.rs

@@ -236,7 +236,9 @@
 //! This will match `"one, two"` , but not `"one,two"`. Without the `$()`, trailing whitespace
 //! would be trimmed from the pattern.
 
-#![deny(missing_docs)]
+#![deny(missing_docs,
+        trivial_numeric_casts,
+        unused_extern_crates)]
 
 pub use error::{Error, Result};
 pub use variable::{VariableMap, Value, NO_VARIABLES};

lib/frontend/src/lib.rs

@@ -142,7 +142,9 @@
 //! }
 //! ```
 
-#![deny(missing_docs)]
+#![deny(missing_docs,
+        trivial_numeric_casts,
+        unused_extern_crates)]
 
 extern crate cretonne;
 

lib/native/src/lib.rs

@@ -1,7 +1,9 @@
 //! Performs autodetection of the host for the purposes of running
 //! Cretonne to generate code to run on the same machine.
 
-#![deny(missing_docs)]
+#![deny(missing_docs,
+        trivial_numeric_casts,
+        unused_extern_crates)]
 
 extern crate cretonne;
 

lib/reader/src/lib.rs

@@ -3,7 +3,9 @@
 //! The cton_reader library supports reading .cton files. This functionality is needed for testing
 //! Cretonne, but is not essential for a JIT compiler.
 
-#![deny(missing_docs)]
+#![deny(missing_docs,
+        trivial_numeric_casts,
+        unused_extern_crates)]
 
 extern crate cretonne;
 

lib/wasm/src/lib.rs

@@ -9,7 +9,9 @@
 //!
 //! The main function of this module is [`translate_module`](fn.translate_module.html).
 
-#![deny(missing_docs)]
+#![deny(missing_docs,
+        trivial_numeric_casts,
+        unused_extern_crates)]
 
 extern crate wasmparser;
 extern crate cton_frontend;