Fix more warnings.

src/app.rs

@@ -2,7 +2,6 @@ use std::env;
 use std::path::PathBuf;
 
 use clap::{App, AppSettings, Arg, ArgGroup, ArgMatches, SubCommand};
-use dirs;
 
 use crate::templates;
 

src/file_assoc.rs

@@ -3,7 +3,6 @@
 
 use std::io;
 
-use clap;
 use itertools::Itertools;
 use winreg::{enums as wre, RegKey};
 

src/manifest.rs

@@ -6,7 +6,6 @@ use std::path::Path;
 
 use pulldown_cmark::{CodeBlockKind, Event, Options, Parser, Tag};
 use regex::Regex;
-use toml;
 
 use crate::error::{Blame, Result};
 use crate::templates;
@@ -819,7 +818,7 @@ fn extract_comment(s: &str) -> Result<String> {
             // Update nesting and look for end-of-comment.
             let mut end_of_comment = None;
 
-            for (end, marker) in { nesting_re.find_iter(line).map(|m| (m.start(), m.as_str())) } {
+            for (end, marker) in nesting_re.find_iter(line).map(|m| (m.start(), m.as_str())) {
                 match (marker, depth) {
                     ("/*", _) => depth += 1,
                     ("*/", 1) => {

src/templates.rs

@@ -3,8 +3,6 @@ This module contains code related to template support.
 */
 use crate::app;
 use crate::error::{Blame, MainError, Result, ResultExt};
-use clap;
-use open;
 use regex::Regex;
 use std::borrow::Cow;
 use std::collections::HashMap;

src/util.rs

@@ -58,7 +58,6 @@ pub use self::suppress_child_output::{suppress_child_output, ChildToken};
 #[cfg(feature = "suppress-cargo-output")]
 mod suppress_child_output {
     use crate::error::Result;
-    use chan;
     use std::io;
     use std::process::{self, Command};
     use std::thread;