Fix clippy errors.

Author: orium

src/bin/cargo_semver.rs

@@ -1,5 +1,6 @@
 #![feature(rustc_private)]
 #![feature(set_stdio)]
+#![allow(clippy::too_many_lines)]
 
 extern crate curl;
 extern crate getopts;
@@ -54,7 +55,7 @@ fn main() {
 
     let matches = match cli::parse_args(&opts) {
         Ok(m) => m,
-        Err(f) => cli::exit_with_error(&config, f.to_owned().into()),
+        Err(f) => cli::exit_with_error(&config, f.into()),
     };
 
     if matches.opt_present("h") {

src/bin/rust_semver_public.rs

@@ -107,10 +107,9 @@ fn main() {
             // `clippy_driver` directly
             // without having to pass --sysroot or anything
             let args: Vec<String> = if orig_args.iter().any(|s| s == "--sysroot") {
-                orig_args.clone()
+                orig_args
             } else {
                 orig_args
-                    .clone()
                     .into_iter()
                     .chain(Some("--sysroot".to_owned()))
                     .chain(Some(sys_root))

src/bin/rust_semverver.rs

@@ -136,10 +136,9 @@ fn main() {
             // `clippy_driver` directly
             // without having to pass --sysroot or anything
             let args: Vec<String> = if orig_args.iter().any(|s| s == "--sysroot") {
-                orig_args.clone()
+                orig_args
             } else {
                 orig_args
-                    .clone()
                     .into_iter()
                     .chain(Some("--sysroot".to_owned()))
                     .chain(Some(sys_root))

src/lib.rs

@@ -1,6 +1,7 @@
 #![feature(rustc_private)]
 #![allow(clippy::similar_names)]
 #![allow(clippy::single_match_else)]
+#![allow(clippy::too_many_lines)]
 #![deny(warnings)]
 extern crate rustc;
 extern crate syntax;