Correct clippy to run for all packages.

`clippy::all` is the default lint level and does not need to be
explicitly specified. `rustc` and `clippy` lints are specified so that
running `cargo clippy` needs no additional parameters beyond package or
test selection.

.travis.yml

@@ -41,7 +41,7 @@ matrix:
     install:
     - rustup component add clippy
     script:
-    - RUSTFLAGS="-D warnings" cargo clippy --tests -- -D clippy::all
+    - RUSTFLAGS="-D warnings" cargo clippy --all --tests
   - name: Tarpaulin
     rust: 1.34.0
     sudo: required

src/lib.rs

@@ -154,16 +154,18 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 // Rustc lints.
 #![forbid(unsafe_code)]
-// #![warn(bare_trait_objects)] // Requires rustc 1.27.
-#![warn(missing_copy_implementations)]
-#![warn(missing_debug_implementations)]
-#![warn(missing_docs)]
-#![warn(trivial_casts)]
-#![warn(trivial_numeric_casts)]
-#![warn(unused_extern_crates)]
-#![warn(unused_import_braces)]
-#![warn(unused_qualifications)]
-#![warn(unused_results)]
+#![warn(
+    //bare_trait_objects, // Requires rustc 1.27.
+    missing_copy_implementations,
+    missing_debug_implementations,
+    missing_docs,
+    trivial_casts,
+    trivial_numeric_casts,
+    unused_extern_crates,
+    unused_import_braces,
+    unused_qualifications,
+    unused_results
+)]
 // Clippy lints.
 #![cfg_attr(
     feature = "cargo-clippy",

uom-macros/src/lib.rs

@@ -5,6 +5,21 @@
 //! `quantity!`, to define quantities within a system.  See the
 //! [`uom`](https://crates.io/crates/uom) crate for full details.
 
+// Rustc lints.
+#![forbid(unsafe_code)]
+#![warn(
+    //bare_trait_objects, // Requires rustc 1.27.
+    missing_copy_implementations,
+    missing_debug_implementations,
+    missing_docs,
+    trivial_casts,
+    trivial_numeric_casts,
+    unused_extern_crates,
+    unused_import_braces,
+    unused_qualifications,
+    unused_results
+)]
+
 extern crate proc_macro;
 
 use crate::proc_macro::TokenStream;