Make Clippy happy

Author: killercup

.travis.yml

@@ -15,22 +15,19 @@ script:
 - |
   travis-cargo build &&
   travis-cargo test &&
-  travis-cargo bench &&
-  travis-cargo --only stable doc
+  travis-cargo bench
 addons:
   apt:
     packages:
     - libcurl4-openssl-dev
     - libelf-dev
     - libdw-dev
 after_success:
-- travis-cargo --only stable doc-upload
-- rm tests/skeptic.rs # "skip" skeptic doctests for coverage
 - travis-cargo coveralls --no-sudo
 notifications:
   email:
     on_success: never
 env:
   global:
-  - TRAVIS_CARGO_NIGHTLY_FEATURE=dev
+  - TRAVIS_CARGO_NIGHTLY_FEATURE=
   - secure: 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

src/diff.rs

@@ -9,8 +9,8 @@ use errors::*;
 pub fn render(&Changeset { ref diffs, .. }: &Changeset) -> Result<String> {
     let mut t = String::new();
 
-    for i in 0..diffs.len() {
-        match diffs[i] {
+    for (i, diff) in diffs.iter().enumerate() {
+        match *diff {
             Difference::Same(ref x) => {
                 writeln!(t, " {}", x)?;
             }

src/lib.rs

@@ -161,7 +161,7 @@ impl Assert {
 
     /// Execute the command and check the assertions
     pub fn execute(self) -> Result<()> {
-        let ref cmd = self.cmd[0];
+        let cmd = &self.cmd[0];
         let args: Vec<_> = self.cmd.iter().skip(1).collect();
         let mut command = Command::new(cmd);
         let command = command.args(&args);
@@ -193,7 +193,7 @@ impl Assert {
                 ));
             },
             (Some(ref expected_output), false) => {
-                let differences = Changeset::new(expected_output.trim(), &stdout.trim(), "\n");
+                let differences = Changeset::new(expected_output.trim(), stdout.trim(), "\n");
                 if differences.distance > 0 {
                     let nice_diff = diff::render(&differences)?;
                     bail!(ErrorKind::ExactOutputMismatch(nice_diff));

tests/skeptic.rs

@@ -1 +1,3 @@
+#![allow(toplevel_ref_arg, useless_format)]
+
 include!(concat!(env!("OUT_DIR"), "/skeptic-tests.rs"));