edition: run 'cargo fix --edition --edition-idioms --all'

crates/ignore/src/dir.rs

@@ -495,7 +495,7 @@ impl Ignore {
     }
 
     /// Returns an iterator over parent ignore matchers, including this one.
-    pub fn parents(&self) -> Parents {
+    pub fn parents(&self) -> Parents<'_> {
         Parents(Some(self))
     }
 

crates/ignore/src/lib.rs

@@ -46,16 +46,16 @@ See the documentation for `WalkBuilder` for many other options.
 
 #![deny(missing_docs)]
 
-extern crate globset;
+
 #[macro_use]
 extern crate lazy_static;
 #[macro_use]
 extern crate log;
-extern crate memchr;
-extern crate regex;
-extern crate same_file;
-extern crate thread_local;
-extern crate walkdir;
+
+
+
+
+use walkdir;
 #[cfg(windows)]
 extern crate winapi_util;
 
@@ -334,7 +334,7 @@ impl error::Error for Error {
 }
 
 impl fmt::Display for Error {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
             Error::Partial(ref errs) => {
                 let msgs: Vec<String> =

crates/ignore/src/walk.rs

@@ -252,7 +252,7 @@ struct DirEntryRaw {
 }
 
 impl fmt::Debug for DirEntryRaw {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         // Leaving out FileType because it doesn't have a debug impl
         // in Rust 1.9. We could add it if we really wanted to by manually
         // querying each possibly file type. Meh. ---AG
@@ -504,7 +504,7 @@ enum Sorter {
 struct Filter(Arc<dyn Fn(&DirEntry) -> bool + Send + Sync + 'static>);
 
 impl fmt::Debug for WalkBuilder {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("WalkBuilder")
             .field("paths", &self.paths)
             .field("ig_builder", &self.ig_builder)
@@ -1226,7 +1226,7 @@ impl WalkParallel {
     /// visitor runs on only one thread, this build-up can be done without
     /// synchronization. Then, once traversal is complete, all of the results
     /// can be merged together into a single data structure.
-    pub fn visit(mut self, builder: &mut dyn ParallelVisitorBuilder) {
+    pub fn visit(mut self, builder: &mut dyn ParallelVisitorBuilder<'_>) {
         let threads = self.threads();
         let stack = Arc::new(Mutex::new(vec![]));
         {