Do not use wildcard imports if not needed

src/bin/build.rs

@@ -1,6 +1,6 @@
 use clap::{ArgMatches, SubCommand, App};
 use mdbook::MDBook;
-use mdbook::errors::*;
+use mdbook::errors::Result;
 use {get_book_dir, open};
 
 // Build command implementation

src/bin/init.rs

@@ -2,7 +2,7 @@ use std::io;
 use std::io::Write;
 use clap::{ArgMatches, SubCommand, App};
 use mdbook::MDBook;
-use mdbook::errors::*;
+use mdbook::errors::Result;
 use get_book_dir;
 
 // Init command implementation

src/bin/serve.rs

@@ -7,7 +7,7 @@ use std::path::Path;
 use self::iron::{Iron, AfterMiddleware, IronResult, IronError, Request, Response, status, Set, Chain};
 use clap::{ArgMatches, SubCommand, App};
 use mdbook::MDBook;
-use mdbook::errors::*;
+use mdbook::errors::Result;
 use {get_book_dir, open};
 #[cfg(feature = "watch")]
 use watch;

src/bin/test.rs

@@ -1,6 +1,6 @@
 use clap::{ArgMatches, SubCommand, App};
 use mdbook::MDBook;
-use mdbook::errors::*;
+use mdbook::errors::Result;
 use get_book_dir;
 
 // test command implementation

src/bin/watch.rs

@@ -8,7 +8,7 @@ use std::time::Duration;
 use std::sync::mpsc::channel;
 use clap::{ArgMatches, SubCommand, App};
 use mdbook::MDBook;
-use mdbook::errors::*;
+use mdbook::errors::Result;
 use {get_book_dir, open};
 
 // Watch command implementation