fix(cmn): get cmn compiling on nightly rust

Closes Byron#131

Cargo.toml

@@ -16,12 +16,15 @@ name = "cmn"
 path = "src/rust/lib.rs"
 
 [dependencies]
+clap = "*"
 hyper = "*"
 mime = "*"
 rustc-serialize = "*"
-yup-oauth2 = "*"
+yup-oauth2 = { version = "*", features = ["nightly"], default-features = false }
 serde = "*"
+serde_json = "*"
 serde_macros = "*"
+strsim = "*"
 
 [dev-dependencies]
 yup-hyper-mock = "*"

src/rust/cli/cmn.rs

@@ -433,7 +433,7 @@ impl TokenStorage for JsonTokenStorage {
 
     fn get(&self, scope_hash: u64, _: &Vec<&str>) -> Result<Option<Token>, json::Error> {
         match fs::File::open(&self.path(scope_hash)) {
-            Ok(mut f) => {
+            Ok(f) => {
                 match json::de::from_reader(f) {
                     Ok(token) => Ok(Some(token)),
                     Err(err)  => Err(err),
@@ -578,7 +578,7 @@ impl fmt::Display for CLIError {
                 => writeln!(f, "Failed to parse argument '{}' with value '{}' as {} with error: {}.",
                             arg_name, value, type_name, err_desc),
             CLIError::UnknownParameter(ref param_name, ref possible_values) => {
-                let mut suffix =
+                let suffix =
                     match did_you_mean(param_name, &possible_values) {
                         Some(v) => format!(" Did you mean '{}' ?", v),
                         None => String::new(),
@@ -692,7 +692,7 @@ pub fn application_secret_from_directory(dir: &str,
                 }
                 return secret_io_error(err)
             },
-            Ok(mut f) => {
+            Ok(f) => {
                 match json::de::from_reader::<_, ConsoleApplicationSecret>(f) {
                     Err(json::Error::IoError(err)) =>
                         return secret_io_error(err),

src/rust/lib.rs

@@ -2,12 +2,18 @@
 #![allow(dead_code, deprecated, unused_features, unused_variables, unused_imports)]
 //! library with code shared by all generated implementations
 #![plugin(serde_macros)]
+
+#[macro_use]
+extern crate clap;
+
 #[macro_use]
 extern crate hyper;
 extern crate mime;
 extern crate rustc_serialize;
 extern crate yup_oauth2 as oauth2;
 extern crate serde;
+extern crate serde_json;
+extern crate strsim;
 
 // just pull it in the check if it compiles
 mod api;
@@ -194,4 +200,4 @@ mod test_cli {
         assert_eq!(c.num_fields(), 3);
         assert_eq!(c.to_string(), "one.beer.one");
     }
-}
+}