Translation of the code base on 2018 edition

Author: webdesus

Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "fs_extra"
 version = "1.2.0"
+edition = "2018"
 description = "Expanding std::fs and std::io. Recursively copy folders with information about process and much more."
 license = "MIT"
 authors = ["Denis Kurilenko <webdesus@gmail.com>"]

src/dir.rs

@@ -1,4 +1,4 @@
-use error::*;
+use crate::error::*;
 use std::collections::{HashMap, HashSet};
 use std::fs::{create_dir, create_dir_all, read_dir, remove_dir_all, Metadata};
 use std::path::{Path, PathBuf};

src/file.rs

@@ -1,4 +1,4 @@
-use error::{Error, ErrorKind, Result};
+use crate::error::{Error, ErrorKind, Result};
 use std;
 use std::fs::{remove_file, File};
 use std::io::{Read, Write};

src/lib.rs

@@ -153,7 +153,7 @@ pub mod file;
 ///
 pub mod dir;
 
-use error::*;
+use crate::error::*;
 use std::path::Path;
 
 /// Copies a list of directories and files to another place recursively. This function will