Update to Rust 1.83.0

rust-toolchain.toml

@@ -13,5 +13,5 @@
 # limitations under the License.
 
 [toolchain]
-channel = "1.81.0"
+channel = "1.83.0"
 components = ["rustfmt", "clippy"]

src/collections/ttl.rs

@@ -313,7 +313,7 @@ pub enum Entry<'a, K, V> {
     Vacant(VacantEntry<'a, K, V>),
 }
 
-impl<'a, K, V> OccupiedEntry<'a, K, Value<V>>
+impl<K, V> OccupiedEntry<'_, K, Value<V>>
 where
     K: Eq + Hash,
 {

src/config/watch.rs

@@ -136,13 +136,13 @@ pub struct ReadGuard<'inner, T: Watchable + std::fmt::Debug> {
     marker: Marker,
 }
 
-impl<'inner, T: Watchable + std::fmt::Debug> Drop for ReadGuard<'inner, T> {
+impl<T: Watchable + std::fmt::Debug> Drop for ReadGuard<'_, T> {
     fn drop(&mut self) {
         debug_assert!(!self.inner.has_changed(self.marker));
     }
 }
 
-impl<'inner, T: Watchable + std::fmt::Debug> std::ops::Deref for ReadGuard<'inner, T> {
+impl<T: Watchable + std::fmt::Debug> std::ops::Deref for ReadGuard<'_, T> {
     type Target = T;
 
     fn deref(&self) -> &Self::Target {
@@ -155,13 +155,13 @@ pub struct WatchGuard<'inner, T: Watchable + std::fmt::Debug> {
     marker: Marker,
 }
 
-impl<'inner, T: Watchable + std::fmt::Debug> Drop for WatchGuard<'inner, T> {
+impl<T: Watchable + std::fmt::Debug> Drop for WatchGuard<'_, T> {
     fn drop(&mut self) {
         self.inner.check_for_changes(self.marker);
     }
 }
 
-impl<'inner, T: Watchable + std::fmt::Debug> std::ops::Deref for WatchGuard<'inner, T> {
+impl<T: Watchable + std::fmt::Debug> std::ops::Deref for WatchGuard<'_, T> {
     type Target = T;
 
     fn deref(&self) -> &Self::Target {

src/filters/firewall/config.rs

@@ -224,7 +224,7 @@ impl<'de> Deserialize<'de> for PortRange {
     {
         struct PortRangeVisitor;
 
-        impl<'de> Visitor<'de> for PortRangeVisitor {
+        impl Visitor<'_> for PortRangeVisitor {
             type Value = PortRange;
 
             fn expecting(&self, f: &mut Formatter) -> Result<(), fmt::Error> {
@@ -344,7 +344,7 @@ mod tests {
         let yaml = "
 on_read:
   - action: ALLOW
-    sources: 
+    sources:
        - 192.168.51.0/24
     ports:
        - 10

src/metrics.rs

@@ -83,7 +83,7 @@ pub struct AsnInfo<'a> {
     prefix: &'a str,
 }
 
-impl<'a> AsnInfo<'a> {
+impl AsnInfo<'_> {
     #[inline]
     fn asn_str(&self) -> &str {
         // SAFETY: we only write ASCII in itoa

src/net/maxmind_db.rs

@@ -53,10 +53,11 @@ impl std::str::FromStr for Source {
     fn from_str(input: &str) -> Result<Self, Self::Err> {
         if let Ok(url) = input.parse() {
             Ok(Self::Url { url })
-        } else if let Ok(path) = input.parse() {
-            Ok(Self::File { path })
         } else {
-            Err(eyre::eyre!("'{}' is not a valid URL or path", input))
+            // Clippy says this parse is guarenteed to succeed.
+            Ok(Self::File {
+                path: input.parse().unwrap(),
+            })
         }
     }
 }