Remove extern crate statements

https://doc.rust-lang.org/edition-guide/rust-2018/module-system/path-clarity.html

src/album.rs

@@ -2,6 +2,7 @@ use std::fmt;
 use std::sync::Arc;
 
 use chrono::{DateTime, Utc};
+use log::debug;
 use rspotify::model::album::{FullAlbum, SavedAlbum, SimplifiedAlbum};
 
 use crate::artist::Artist;

src/commands.rs

@@ -25,6 +25,7 @@ use cursive::event::{Event, Key};
 use cursive::traits::View;
 use cursive::views::Dialog;
 use cursive::Cursive;
+use log::{debug, error, info};
 use std::cell::RefCell;
 
 pub enum CommandResult {

src/config.rs

@@ -4,6 +4,7 @@ use std::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard};
 use std::{fs, process};
 
 use cursive::theme::Theme;
+use log::{debug, error};
 use platform_dirs::AppDirs;
 
 use crate::command::{SortDirection, SortKey};

src/library.rs

@@ -5,6 +5,7 @@ use std::path::PathBuf;
 use std::sync::{Arc, RwLock, RwLockReadGuard};
 use std::thread;
 
+use log::{debug, error, info};
 use serde::de::DeserializeOwned;
 use serde::Serialize;
 

src/main.rs

@@ -1,39 +1,9 @@
-extern crate clap;
-extern crate crossbeam_channel;
 #[macro_use]
 extern crate cursive;
-#[cfg(feature = "share_clipboard")]
-extern crate clipboard;
-extern crate failure;
-extern crate futures;
 #[macro_use]
 extern crate lazy_static;
-extern crate librespot_core;
-extern crate librespot_playback;
-extern crate librespot_protocol;
-extern crate rspotify;
-extern crate tokio_core;
-extern crate tokio_timer;
-extern crate unicode_width;
-extern crate webbrowser;
-
 #[macro_use]
 extern crate serde;
-extern crate serde_json;
-extern crate toml;
-
-#[macro_use]
-extern crate log;
-extern crate chrono;
-extern crate fern;
-
-extern crate rand;
-extern crate url;
-
-extern crate strum;
-extern crate strum_macros;
-
-extern crate regex;
 
 use std::fs;
 use std::path::PathBuf;
@@ -42,10 +12,10 @@ use std::sync::Arc;
 
 use clap::{App, Arg};
 use cursive::traits::Identifiable;
-
 use librespot_core::authentication::Credentials;
 use librespot_core::cache::Cache;
 use librespot_playback::audio_backend;
+use log::{info, trace};
 
 mod album;
 mod artist;

src/mpris.rs

@@ -1,6 +1,3 @@
-extern crate dbus;
-extern crate dbus_tree;
-
 use std::collections::HashMap;
 use std::rc::Rc;
 use std::sync::{mpsc, Arc};
@@ -11,6 +8,7 @@ use dbus::ffidisp::stdintf::org_freedesktop_dbus::PropertiesPropertiesChanged;
 use dbus::message::SignalArgs;
 use dbus::strings::Path;
 use dbus_tree::{Access, Factory};
+use log::{debug, warn};
 
 use crate::album::Album;
 use crate::episode::Episode;

src/playlist.rs

@@ -1,6 +1,7 @@
 use std::sync::Arc;
 use std::{cmp::Ordering, iter::Iterator};
 
+use log::debug;
 use rspotify::model::playlist::{FullPlaylist, SimplifiedPlaylist};
 
 use crate::playable::Playable;

src/queue.rs

@@ -1,6 +1,7 @@
 use std::cmp::Ordering;
 use std::sync::{Arc, RwLock};
 
+use log::{debug, error, info};
 #[cfg(feature = "notify")]
 use notify_rust::Notification;
 

src/spotify.rs

@@ -5,6 +5,7 @@ use librespot_core::keymaster::Token;
 use librespot_core::mercury::MercuryError;
 use librespot_core::session::Session;
 use librespot_playback::config::PlayerConfig;
+use log::{debug, error, info};
 
 use librespot_playback::audio_backend;
 use librespot_playback::config::Bitrate;

src/spotify_worker.rs

@@ -15,6 +15,7 @@ use librespot_core::session::Session;
 use librespot_core::spotify_id::{SpotifyAudioType, SpotifyId};
 use librespot_playback::mixer::Mixer;
 use librespot_playback::player::{Player, PlayerEvent as LibrespotPlayerEvent};
+use log::{debug, error, info, warn};
 use std::time::Duration;
 use std::{pin::Pin, time::SystemTime};
 

src/theme.rs

@@ -2,6 +2,7 @@ use cursive::theme::BaseColor::*;
 use cursive::theme::Color::*;
 use cursive::theme::PaletteColor::*;
 use cursive::theme::*;
+use log::warn;
 
 use crate::config::ConfigTheme;
 

src/ui/layout.rs

@@ -10,6 +10,7 @@ use cursive::vec::Vec2;
 use cursive::view::{IntoBoxedView, Selector};
 use cursive::views::EditView;
 use cursive::{Cursive, Printer};
+use log::debug;
 use unicode_width::UnicodeWidthStr;
 
 use crate::command::Command;

src/ui/listview.rs

@@ -1,3 +1,4 @@
+use log::{info, trace};
 use std::cmp::{max, min, Ordering};
 use std::sync::{Arc, RwLock};
 

src/ui/pagination.rs

@@ -1,7 +1,7 @@
-use std::sync::{Arc, RwLock};
-
 use crate::library::Library;
 use crate::traits::ListItem;
+use log::debug;
+use std::sync::{Arc, RwLock};
 
 pub struct ApiPage<I> {
     pub offset: u32,