Fix some warnings

src/builder.rs

@@ -1,18 +1,17 @@
-use std::path::PathBuf;
-use std::path::Path;
 use std::fs::File;
 use std::io::Read;
-use std::error::Error as STDError;
+use std::path::Path;
+use std::path::PathBuf;
 
 use pathdiff;
 
 use crate::config::Config;
-use crate::template::Template;
-use crate::renderer;
-use crate::logger::{LogLevel, Logger};
 use crate::error::Error;
-use crate::options::{BuildOpt, Opt};
 use crate::file_writer;
+use crate::logger::{LogLevel, Logger};
+use crate::options::{BuildOpt, Opt};
+use crate::renderer;
+use crate::template::Template;
 
 const DEFAULT_CSS: &'static str = include_str!("templates/default-css.css");
 const DEFAULT_JS: &'static str = include_str!("templates/default-js.js");
@@ -87,14 +86,14 @@ pub fn build(logger: &Logger, opt: &Opt, _: &BuildOpt) -> Result<(), Error> {
         // Generate CSS tagstags
         logger.log(LogLevel::DETAILER, "Generating CSS tags");
         let mut css_string = String::new();
-        let mut css_list = config.global_config.website.css.clone();
+        let css_list = config.global_config.website.css.clone();
 
         for item in css_list {
             let data = Template::css_tag_data_from(item, false);
             css_string += &*css_tag_template.render(&data);
         }
 
-        if let Some(mut list) = config.page_config.page.css.clone() {
+        if let Some(list) = config.page_config.page.css.clone() {
             for item in list {
                 let data = Template::css_tag_data_from(item, true);
                 css_string += &*css_tag_template.render(&data);
@@ -104,14 +103,14 @@ pub fn build(logger: &Logger, opt: &Opt, _: &BuildOpt) -> Result<(), Error> {
         // Generate JS tags
         logger.log(LogLevel::DETAILER, "Generating JS tags");
         let mut js_string = String::new();
-        let mut js_list = config.global_config.website.javascript.clone();
+        let js_list = config.global_config.website.javascript.clone();
 
         for item in js_list {
             let data = Template::css_tag_data_from(item, false);
             js_string += &*js_tag_template.render(&data);
         }
 
-        if let Some(mut list) = config.page_config.page.javascript.clone() {
+        if let Some(list) = config.page_config.page.javascript.clone() {
             for item in list {
                 let data = Template::css_tag_data_from(item, true);
                 js_string += &*js_tag_template.render(&data);
@@ -230,7 +229,7 @@ fn write_recursive_resource(
             Ok(())
         } else {
             match File::open(resource_path.clone()) {
-                Ok(mut read_file) => {
+                Ok(read_file) => {
                     let bytes: Vec<u8> = match read_file.bytes().collect() {
                         Ok(bytes) => bytes,
                         Err(_) => Vec::new(),
@@ -248,11 +247,7 @@ fn write_recursive_resource(
                 }
                 Err(err) => Err(Error::new(
                     LogLevel::SEVERE,
-                    format!(
-                        "Failed to open read file {:?}: {}",
-                        resource_path,
-                        err.description().to_owned()
-                    ),
+                    format!("Failed to open read file {:?}: {}", resource_path, err),
                 )),
             }
         }

src/error.rs

@@ -1,6 +1,5 @@
 use std::convert::From;
 use std::io::Error as IOError;
-use std::error::Error as STDError;
 
 use crate::logger::LogLevel;
 
@@ -34,7 +33,7 @@ impl From<IOError> for Error {
             os_error = format!("OS Error: {}", error);
         }
         Error {
-            description: format!("IOError: {} {}", err.description().to_owned(), os_error),
+            description: format!("IOError: {} {}", err, os_error),
             severity: LogLevel::SEVERE,
         }
     }

src/file_writer.rs

@@ -1,10 +1,9 @@
 use std::fs::{create_dir_all, File};
 use std::io::prelude::*;
 use std::path::{Path, PathBuf};
-use std::error::Error as STDError;
 
-use serde::Serialize;
 use serde::de::DeserializeOwned;
+use serde::Serialize;
 use toml;
 
 use crate::error::Error;
@@ -27,7 +26,7 @@ pub fn get_toml<T: DeserializeOwned>(path: &PathBuf) -> Result<T, Error> {
                 format!(
                     "Failed to open toml: {}, Reason: {}",
                     path.to_str().unwrap(),
-                    err.description().to_owned()
+                    err
                 ),
             ))
         }
@@ -70,11 +69,7 @@ pub fn write_toml<T: Serialize>(path: &PathBuf, data: &T, overwrite: bool) -> Re
         },
         Err(err) => Err(Error::new(
             LogLevel::SEVERE,
-            format!(
-                "Failed to serialize {:?}: {}",
-                path,
-                err.description().to_owned()
-            ),
+            format!("Failed to serialize {:?}: {}", path, err),
         )),
     }
 }
@@ -89,7 +84,7 @@ pub fn write_file<T: Into<String>>(
 
 pub fn write_bytes(path: &PathBuf, bytes: &[u8], overwrite: bool) -> Result<(), Error> {
     if let Some(parent) = path.clone().parent() {
-        create_dir_all(parent.clone())?;
+        create_dir_all(parent)?;
     } else {
         return Err(Error::new(
             LogLevel::SEVERE,

src/new_page.rs

@@ -1,15 +1,14 @@
 use std::path::PathBuf;
 
-use crate::options::{NewOpt, Opt};
-use crate::logger::{LogLevel, Logger};
-use crate::file_writer;
-use crate::error::Error;
 use crate::config_toml::{GlobalConfigToml, PageConfig, PageConfigToml};
+use crate::error::Error;
+use crate::file_writer;
+use crate::logger::{LogLevel, Logger};
+use crate::options::{NewOpt, Opt};
 
 use pathdiff;
 
-const PLACEHOLDER_MARKDOWN: &'static str = 
-r#"# Placeholder title
+const PLACEHOLDER_MARKDOWN: &'static str = r#"# Placeholder title
 This is the markdown file, where you will insert this page's contents.
 - This is an example list
 - And in lists
@@ -151,7 +150,7 @@ fn ensure_extension<T: Into<String>>(
     if let (Some(parent), Some(file_name)) = (path.clone().parent(), path.clone().file_name()) {
         let mut filename = file_name.to_str().unwrap().to_owned();
         let clone = filename.clone();
-        let mut split = clone.split(".");
+        let split = clone.split(".");
         if split.clone().count() == 1 as usize {
             path = parent.join(format!("{}.{}", filename, extension));
         } else if replace_extension {

src/renderer.rs

@@ -1,16 +1,15 @@
 use std::fs::File;
 use std::io::Read;
 use std::path::PathBuf;
-use std::error::Error as STDError;
 
 use pulldown_cmark::{html, Parser};
 use regex::{Captures, Regex};
 
 use crate::config::{Config, SinglePageConfigs};
-use crate::template::Template;
+use crate::config_toml::InjectionToml;
 use crate::error::Error;
 use crate::logger::{LogLevel, Logger};
-use crate::config_toml::InjectionToml;
+use crate::template::Template;
 
 fn get_file_contents(path: Option<String>) -> Result<String, Error> {
     match path {
@@ -22,7 +21,7 @@ fn get_file_contents(path: Option<String>) -> Result<String, Error> {
             }
             Err(err) => Err(Error::new(
                 LogLevel::WARNING,
-                format!("Failed to open {}, {}", url, err.description().to_owned()),
+                format!("Failed to open {}, {}", url, err),
             )),
         },
         None => Ok(String::new()),
@@ -193,8 +192,7 @@ fn replace(config: InjectionToml) -> String {
         }
         Err(err) => format!(
             "Failed to get template for custom markdown: {}, {}",
-            config.meta.template,
-            err.description().to_owned(),
+            config.meta.template, err,
         ),
     }
 }