diff --git a/notify-debouncer-mini/src/lib.rs b/notify-debouncer-mini/src/lib.rs
index ec027a8..a93af50 100644
--- a/notify-debouncer-mini/src/lib.rs
+++ b/notify-debouncer-mini/src/lib.rs
@@ -24,7 +24,7 @@
 //! # fn main() {
 //!     // setup initial watcher backend config
 //!     let config = Config::default();
-//! 
+//!
 //!     // Select recommended watcher for debouncer.
 //!     // Using a callback here, could also be a channel.
 //!     let mut debouncer = new_debouncer(Duration::from_secs(2), None, |res: DebounceEventResult| {
@@ -266,7 +266,7 @@ pub fn new_debouncer_opt<F: DebounceEventHandler, T: Watcher>(
     timeout: Duration,
     tick_rate: Option<Duration>,
     mut event_handler: F,
-    config: notify::Config
+    config: notify::Config,
 ) -> Result<Debouncer<T>, Error> {
     let data = DebounceData::default();
 
@@ -320,15 +320,18 @@ pub fn new_debouncer_opt<F: DebounceEventHandler, T: Watcher>(
             }
         })?;
 
-    let watcher = T::new(move |e: Result<Event, Error>| {
-        let mut lock = data.lock().expect("Can't lock debouncer data!");
+    let watcher = T::new(
+        move |e: Result<Event, Error>| {
+            let mut lock = data.lock().expect("Can't lock debouncer data!");
 
-        match e {
-            Ok(e) => lock.add_event(e),
-            // can't have multiple TX, so we need to pipe that through our debouncer
-            Err(e) => lock.add_error(e),
-        }
-    }, config)?;
+            match e {
+                Ok(e) => lock.add_event(e),
+                // can't have multiple TX, so we need to pipe that through our debouncer
+                Err(e) => lock.add_error(e),
+            }
+        },
+        config,
+    )?;
 
     let guard = Debouncer {
         watcher,
@@ -347,7 +350,12 @@ pub fn new_debouncer_opt<F: DebounceEventHandler, T: Watcher>(
 pub fn new_debouncer<F: DebounceEventHandler>(
     timeout: Duration,
     tick_rate: Option<Duration>,
-    event_handler: F
+    event_handler: F,
 ) -> Result<Debouncer<RecommendedWatcher>, Error> {
-    new_debouncer_opt::<F, RecommendedWatcher>(timeout, tick_rate, event_handler, notify::Config::default())
+    new_debouncer_opt::<F, RecommendedWatcher>(
+        timeout,
+        tick_rate,
+        event_handler,
+        notify::Config::default(),
+    )
 }
diff --git a/notify-debouncer-refined/src/cache.rs b/notify-debouncer-refined/src/cache.rs
index f190da7..2260f22 100644
--- a/notify-debouncer-refined/src/cache.rs
+++ b/notify-debouncer-refined/src/cache.rs
@@ -8,26 +8,26 @@ use notify::RecursiveMode;
 use walkdir::WalkDir;
 
 /// The interface of a file ID cache.
-/// 
+///
 /// This trait can be implemented for an existing cache, if it already holds `FileId`s.
 pub trait FileIdCache {
     /// Get a `FileId` from the cache for a given `path`.
-    /// 
+    ///
     /// If the path is not cached, `None` should be returned and there should not be any attempt to read the file ID from disk.
     fn cached_file_id(&self, path: &Path) -> Option<&FileId>;
 
     /// Add a new path to the cache or update its value.
-    /// 
+    ///
     /// This will be called if a new file or directory is created or if an existing file is overridden.
     fn add_path(&mut self, path: &Path);
 
     /// Remove a path from the cache.
-    /// 
+    ///
     /// This will be called if a file or directory is deleted.
     fn remove_path(&mut self, path: &Path);
 
     /// Re-scan all paths.
-    /// 
+    ///
     /// This will be called if the notification back-end has dropped events.
     fn rescan(&mut self);
 }
@@ -49,7 +49,7 @@ impl FileIdMap {
     }
 
     /// Add a path to the cache.
-    /// 
+    ///
     /// If `recursive_mode` is `Recursive`, all children will be added to the cache as well
     /// and all paths will be kept up-to-date in case of changes like new files being added,
     /// files being removed or renamed.
@@ -62,7 +62,7 @@ impl FileIdMap {
     }
 
     /// Remove a path form the cache.
-    /// 
+    ///
     /// If the path was added with `Recursive` mode, all children will also be removed from the cache.
     pub fn remove_root(&mut self, path: impl AsRef<Path>) {
         self.roots.retain(|(root, _)| !root.starts_with(&path));