diff --git a/ignore/src/lib.rs b/ignore/src/lib.rs
index 626588d2..c93a4de7 100644
--- a/ignore/src/lib.rs
+++ b/ignore/src/lib.rs
@@ -44,6 +44,8 @@ for result in WalkBuilder::new("./").hidden(false).build() {
 See the documentation for `WalkBuilder` for many other options.
 */
 
+#![deny(missing_docs)]
+
 extern crate crossbeam;
 extern crate globset;
 #[macro_use]
@@ -78,15 +80,35 @@ pub enum Error {
     /// file partially succeeded.
     Partial(Vec<Error>),
     /// An error associated with a specific line number.
-    WithLineNumber { line: u64, err: Box<Error> },
+    WithLineNumber {
+        /// The line number.
+        line: u64,
+        /// The underlying error.
+        err: Box<Error>,
+    },
     /// An error associated with a particular file path.
-    WithPath { path: PathBuf, err: Box<Error> },
+    WithPath {
+        /// The file path.
+        path: PathBuf,
+        /// The underlying error.
+        err: Box<Error>,
+    },
     /// An error associated with a particular directory depth when recursively
     /// walking a directory.
-    WithDepth { depth: usize, err: Box<Error> },
+    WithDepth {
+        /// The directory depth.
+        depth: usize,
+        /// The underlying error.
+        err: Box<Error>,
+    },
     /// An error that occurs when a file loop is detected when traversing
     /// symbolic links.
-    Loop { ancestor: PathBuf, child: PathBuf },
+    Loop {
+        /// The ancestor file path in the loop.
+        ancestor: PathBuf,
+        /// The child file path in the loop.
+        child: PathBuf,
+    },
     /// An error that occurs when doing I/O, such as reading an ignore file.
     Io(io::Error),
     /// An error that occurs when trying to parse a glob.
diff --git a/src/args.rs b/src/args.rs
index b999d493..2b87b32c 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -24,7 +24,7 @@ use printer::{ColorSpecs, Printer};
 use unescape::unescape;
 use worker::{Worker, WorkerBuilder};
 
-use {Result, version};
+use Result;
 
 /// `Args` are transformed/normalized from `ArgMatches`.
 #[derive(Debug)]
diff --git a/src/main.rs b/src/main.rs
index 1ccbdb30..a26812b1 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,5 +1,3 @@
-#![allow(dead_code, unused_imports)]
-
 extern crate bytecount;
 #[macro_use]
 extern crate clap;
@@ -23,11 +21,10 @@ extern crate termcolor;
 extern crate winapi;
 
 use std::error::Error;
-use std::io;
 use std::io::Write;
 use std::process;
 use std::result;
-use std::sync::{Arc, Mutex};
+use std::sync::Arc;
 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::mpsc;
 use std::thread;
@@ -279,20 +276,6 @@ fn get_or_log_dir_entry(
     }
 }
 
-fn version() -> String {
-    let (maj, min, pat) = (
-        option_env!("CARGO_PKG_VERSION_MAJOR"),
-        option_env!("CARGO_PKG_VERSION_MINOR"),
-        option_env!("CARGO_PKG_VERSION_PATCH"),
-    );
-    match (maj, min, pat) {
-        (Some(maj), Some(min), Some(pat)) => {
-            format!("ripgrep {}.{}.{}", maj, min, pat)
-        }
-        _ => "".to_owned(),
-    }
-}
-
 fn eprint_nothing_searched() {
     eprintln!("No files were searched, which means ripgrep probably \
                applied a filter you didn't expect. \
diff --git a/termcolor/src/lib.rs b/termcolor/src/lib.rs
index fb93fa49..6b6492b0 100644
--- a/termcolor/src/lib.rs
+++ b/termcolor/src/lib.rs
@@ -67,6 +67,7 @@ try!(bufwtr.print(&buffer));
 # Ok(()) }
 ```
 */
+
 #![deny(missing_docs)]
 
 #[cfg(windows)]
diff --git a/wincolor/src/lib.rs b/wincolor/src/lib.rs
index d5a98f93..44c9e410 100644
--- a/wincolor/src/lib.rs
+++ b/wincolor/src/lib.rs
@@ -17,6 +17,9 @@ con.reset().unwrap();
 println!("This text will be normal.");
 ```
 */
+
+#![deny(missing_docs)]
+
 #[cfg(windows)]
 extern crate kernel32;
 #[cfg(windows)]