diff --git a/components/config_plugins/parse.rs b/components/config_plugins/parse.rs
index 715b60f50e9..5d9d9fe1dc4 100644
--- a/components/config_plugins/parse.rs
+++ b/components/config_plugins/parse.rs
@@ -54,7 +54,7 @@ pub struct RootTypeDef {
 }
 
 impl Parse for MacroInput {
-    fn parse(input: ParseStream) -> Result<Self> {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
         let fields: Punctuated<MacroArg, Token![, ]> = input.parse_terminated(MacroArg::parse)?;
         let mut gen_accessors = None;
         let mut type_def = None;
@@ -83,7 +83,7 @@ impl Parse for MacroInput {
 }
 
 impl Parse for MacroArg {
-    fn parse(input: ParseStream) -> Result<Self> {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
         let lookahead = input.lookahead1();
         if lookahead.peek(kw::gen_types) {
             Ok(MacroArg::Types(input.parse()?))
@@ -98,7 +98,7 @@ impl Parse for MacroArg {
 }
 
 impl<K: Parse, V: Parse> Parse for ArgInner<K, V> {
-    fn parse(input: ParseStream) -> Result<Self> {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
         Ok(ArgInner {
             _field_kw: input.parse()?,
             _equals: input.parse()?,
@@ -108,7 +108,7 @@ impl<K: Parse, V: Parse> Parse for ArgInner<K, V> {
 }
 
 impl Parse for Field {
-    fn parse(input: ParseStream) -> Result<Self> {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
         Ok(Field {
             attributes: input.call(Attribute::parse_outer)?,
             name: input.parse()?,
@@ -119,7 +119,7 @@ impl Parse for Field {
 }
 
 impl Parse for RootTypeDef {
-    fn parse(input: ParseStream) -> Result<Self> {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
         Ok(RootTypeDef {
             type_name: input.parse()?,
             type_def: input.parse()?,
@@ -128,7 +128,7 @@ impl Parse for RootTypeDef {
 }
 
 impl Parse for NewTypeDef {
-    fn parse(input: ParseStream) -> Result<Self> {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
         let content;
         #[allow(clippy::eval_order_dependence)]
         Ok(NewTypeDef {
@@ -139,7 +139,7 @@ impl Parse for NewTypeDef {
 }
 
 impl Parse for FieldType {
-    fn parse(input: ParseStream) -> Result<Self> {
+    fn parse(input: ParseStream<'_>) -> Result<Self> {
         if input.peek(token::Brace) {
             Ok(FieldType::NewTypeDef(input.parse()?))
         } else {
diff --git a/components/hashglobe/src/fake.rs b/components/hashglobe/src/fake.rs
index 339c54a4991..d544721a1a2 100644
--- a/components/hashglobe/src/fake.rs
+++ b/components/hashglobe/src/fake.rs
@@ -75,7 +75,7 @@ where
         Ok(self.shrink_to_fit())
     }
 
-    pub fn try_entry(&mut self, key: K) -> Result<Entry<K, V>, FailedAllocationError> {
+    pub fn try_entry(&mut self, key: K) -> Result<Entry<'_, K, V>, FailedAllocationError> {
         Ok(self.entry(key))
     }
 
@@ -159,7 +159,7 @@ where
     V: fmt::Debug,
     S: BuildHasher,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         self.0.fmt(f)
     }
 }
@@ -220,7 +220,7 @@ where
     T: Eq + Hash + fmt::Debug,
     S: BuildHasher,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         self.0.fmt(f)
     }
 }
diff --git a/components/hashglobe/src/hash_map.rs b/components/hashglobe/src/hash_map.rs
index 33a0d7d5019..e122a82aabb 100644
--- a/components/hashglobe/src/hash_map.rs
+++ b/components/hashglobe/src/hash_map.rs
@@ -452,7 +452,7 @@ where
     }
 }
 
-fn pop_internal<K, V>(starting_bucket: FullBucketMut<K, V>) -> (K, V, &mut RawTable<K, V>) {
+fn pop_internal<K, V>(starting_bucket: FullBucketMut<'_, K, V>) -> (K, V, &mut RawTable<K, V>) {
     let (empty, retkey, retval) = starting_bucket.take();
     let mut gap = match empty.gap_peek() {
         Ok(b) => b,
@@ -856,7 +856,7 @@ where
     ///     println!("{}", key);
     /// }
     /// ```
-    pub fn keys(&self) -> Keys<K, V> {
+    pub fn keys(&self) -> Keys<'_, K, V> {
         Keys { inner: self.iter() }
     }
 
@@ -877,7 +877,7 @@ where
     ///     println!("{}", val);
     /// }
     /// ```
-    pub fn values(&self) -> Values<K, V> {
+    pub fn values(&self) -> Values<'_, K, V> {
         Values { inner: self.iter() }
     }
 
@@ -903,7 +903,7 @@ where
     ///     println!("{}", val);
     /// }
     /// ```
-    pub fn values_mut(&mut self) -> ValuesMut<K, V> {
+    pub fn values_mut(&mut self) -> ValuesMut<'_, K, V> {
         ValuesMut {
             inner: self.iter_mut(),
         }
@@ -926,7 +926,7 @@ where
     ///     println!("key: {} val: {}", key, val);
     /// }
     /// ```
-    pub fn iter(&self) -> Iter<K, V> {
+    pub fn iter(&self) -> Iter<'_, K, V> {
         Iter {
             inner: self.table.iter(),
         }
@@ -955,7 +955,7 @@ where
     ///     println!("key: {} val: {}", key, val);
     /// }
     /// ```
-    pub fn iter_mut(&mut self) -> IterMut<K, V> {
+    pub fn iter_mut(&mut self) -> IterMut<'_, K, V> {
         IterMut {
             inner: self.table.iter_mut(),
         }
@@ -980,12 +980,12 @@ where
     /// assert_eq!(letters[&'u'], 1);
     /// assert_eq!(letters.get(&'y'), None);
     /// ```
-    pub fn entry(&mut self, key: K) -> Entry<K, V> {
+    pub fn entry(&mut self, key: K) -> Entry<'_, K, V> {
         self.try_entry(key).unwrap()
     }
 
     #[inline(always)]
-    pub fn try_entry(&mut self, key: K) -> Result<Entry<K, V>, FailedAllocationError> {
+    pub fn try_entry(&mut self, key: K) -> Result<Entry<'_, K, V>, FailedAllocationError> {
         // Gotta resize now.
         self.try_reserve(1)?;
         let hash = self.make_hash(&key);
@@ -1047,7 +1047,7 @@ where
     /// assert!(a.is_empty());
     /// ```
     #[inline]
-    pub fn drain(&mut self) -> Drain<K, V>
+    pub fn drain(&mut self) -> Drain<'_, K, V>
     where
         K: 'static,
         V: 'static,
@@ -1314,7 +1314,7 @@ where
     V: Debug,
     S: BuildHasher,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_map().entries(self.iter()).finish()
     }
 }
@@ -1351,7 +1351,7 @@ where
 ///
 /// [`iter`]: struct.HashMap.html#method.iter
 /// [`HashMap`]: struct.HashMap.html
-pub struct Iter<'a, K: 'a, V: 'a> {
+pub struct Iter<'a, K, V> {
     inner: table::Iter<'a, K, V>,
 }
 
@@ -1365,7 +1365,7 @@ impl<'a, K, V> Clone for Iter<'a, K, V> {
 }
 
 impl<'a, K: Debug, V: Debug> fmt::Debug for Iter<'a, K, V> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
@@ -1377,7 +1377,7 @@ impl<'a, K: Debug, V: Debug> fmt::Debug for Iter<'a, K, V> {
 ///
 /// [`iter_mut`]: struct.HashMap.html#method.iter_mut
 /// [`HashMap`]: struct.HashMap.html
-pub struct IterMut<'a, K: 'a, V: 'a> {
+pub struct IterMut<'a, K, V> {
     inner: table::IterMut<'a, K, V>,
 }
 
@@ -1399,7 +1399,7 @@ pub struct IntoIter<K, V> {
 ///
 /// [`keys`]: struct.HashMap.html#method.keys
 /// [`HashMap`]: struct.HashMap.html
-pub struct Keys<'a, K: 'a, V: 'a> {
+pub struct Keys<'a, K, V> {
     inner: Iter<'a, K, V>,
 }
 
@@ -1413,7 +1413,7 @@ impl<'a, K, V> Clone for Keys<'a, K, V> {
 }
 
 impl<'a, K: Debug, V> fmt::Debug for Keys<'a, K, V> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
@@ -1425,7 +1425,7 @@ impl<'a, K: Debug, V> fmt::Debug for Keys<'a, K, V> {
 ///
 /// [`values`]: struct.HashMap.html#method.values
 /// [`HashMap`]: struct.HashMap.html
-pub struct Values<'a, K: 'a, V: 'a> {
+pub struct Values<'a, K, V> {
     inner: Iter<'a, K, V>,
 }
 
@@ -1439,7 +1439,7 @@ impl<'a, K, V> Clone for Values<'a, K, V> {
 }
 
 impl<'a, K, V: Debug> fmt::Debug for Values<'a, K, V> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
@@ -1462,7 +1462,7 @@ pub struct Drain<'a, K: 'static, V: 'static> {
 ///
 /// [`values_mut`]: struct.HashMap.html#method.values_mut
 /// [`HashMap`]: struct.HashMap.html
-pub struct ValuesMut<'a, K: 'a, V: 'a> {
+pub struct ValuesMut<'a, K, V> {
     inner: IterMut<'a, K, V>,
 }
 
@@ -1507,7 +1507,7 @@ impl<'a, K, V> InternalEntry<K, V, &'a mut RawTable<K, V>> {
 ///
 /// [`HashMap`]: struct.HashMap.html
 /// [`entry`]: struct.HashMap.html#method.entry
-pub enum Entry<'a, K: 'a, V: 'a> {
+pub enum Entry<'a, K, V> {
     /// An occupied entry.
     Occupied(OccupiedEntry<'a, K, V>),
 
@@ -1516,7 +1516,7 @@ pub enum Entry<'a, K: 'a, V: 'a> {
 }
 
 impl<'a, K: 'a + Debug, V: 'a + Debug> Debug for Entry<'a, K, V> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match *self {
             Vacant(ref v) => f.debug_tuple("Entry").field(v).finish(),
             Occupied(ref o) => f.debug_tuple("Entry").field(o).finish(),
@@ -1528,13 +1528,13 @@ impl<'a, K: 'a + Debug, V: 'a + Debug> Debug for Entry<'a, K, V> {
 /// It is part of the [`Entry`] enum.
 ///
 /// [`Entry`]: enum.Entry.html
-pub struct OccupiedEntry<'a, K: 'a, V: 'a> {
+pub struct OccupiedEntry<'a, K, V> {
     key: Option<K>,
     elem: FullBucket<K, V, &'a mut RawTable<K, V>>,
 }
 
 impl<'a, K: 'a + Debug, V: 'a + Debug> Debug for OccupiedEntry<'a, K, V> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_struct("OccupiedEntry")
             .field("key", self.key())
             .field("value", self.get())
@@ -1546,14 +1546,14 @@ impl<'a, K: 'a + Debug, V: 'a + Debug> Debug for OccupiedEntry<'a, K, V> {
 /// It is part of the [`Entry`] enum.
 ///
 /// [`Entry`]: enum.Entry.html
-pub struct VacantEntry<'a, K: 'a, V: 'a> {
+pub struct VacantEntry<'a, K, V> {
     hash: SafeHash,
     key: K,
     elem: VacantEntryState<K, V, &'a mut RawTable<K, V>>,
 }
 
 impl<'a, K: 'a + Debug, V: 'a> Debug for VacantEntry<'a, K, V> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_tuple("VacantEntry").field(self.key()).finish()
     }
 }
@@ -1668,7 +1668,7 @@ where
     K: fmt::Debug,
     V: fmt::Debug,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.inner.iter()).finish()
     }
 }
@@ -1693,7 +1693,7 @@ impl<K, V> ExactSizeIterator for IntoIter<K, V> {
 }
 
 impl<K: Debug, V: Debug> fmt::Debug for IntoIter<K, V> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.inner.iter()).finish()
     }
 }
@@ -1759,7 +1759,7 @@ where
     K: fmt::Debug,
     V: fmt::Debug,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.inner.inner.iter()).finish()
     }
 }
@@ -1788,7 +1788,7 @@ where
     K: fmt::Debug,
     V: fmt::Debug,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.inner.iter()).finish()
     }
 }
diff --git a/components/hashglobe/src/hash_set.rs b/components/hashglobe/src/hash_set.rs
index d81eeda7d53..e5fca180c77 100644
--- a/components/hashglobe/src/hash_set.rs
+++ b/components/hashglobe/src/hash_set.rs
@@ -271,7 +271,7 @@ where
     ///     println!("{}", x);
     /// }
     /// ```
-    pub fn iter(&self) -> Iter<T> {
+    pub fn iter(&self) -> Iter<'_, T> {
         Iter {
             iter: self.map.keys(),
         }
@@ -436,7 +436,7 @@ where
     /// assert!(set.is_empty());
     /// ```
     #[inline]
-    pub fn drain(&mut self) -> Drain<T> {
+    pub fn drain(&mut self) -> Drain<'_, T> {
         Drain {
             iter: self.map.drain(),
         }
@@ -696,7 +696,7 @@ where
     T: Eq + Hash + fmt::Debug,
     S: BuildHasher,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_set().entries(self.iter()).finish()
     }
 }
@@ -881,7 +881,7 @@ where
 ///
 /// [`HashSet`]: struct.HashSet.html
 /// [`iter`]: struct.HashSet.html#method.iter
-pub struct Iter<'a, K: 'a> {
+pub struct Iter<'a, K> {
     iter: Keys<'a, K, ()>,
 }
 
@@ -914,7 +914,7 @@ pub struct Drain<'a, K: 'static> {
 ///
 /// [`HashSet`]: struct.HashSet.html
 /// [`intersection`]: struct.HashSet.html#method.intersection
-pub struct Intersection<'a, T: 'a, S: 'a> {
+pub struct Intersection<'a, T, S> {
     // iterator of the first set
     iter: Iter<'a, T>,
     // the second set
@@ -928,7 +928,7 @@ pub struct Intersection<'a, T: 'a, S: 'a> {
 ///
 /// [`HashSet`]: struct.HashSet.html
 /// [`difference`]: struct.HashSet.html#method.difference
-pub struct Difference<'a, T: 'a, S: 'a> {
+pub struct Difference<'a, T, S> {
     // iterator of the first set
     iter: Iter<'a, T>,
     // the second set
@@ -942,7 +942,7 @@ pub struct Difference<'a, T: 'a, S: 'a> {
 ///
 /// [`HashSet`]: struct.HashSet.html
 /// [`symmetric_difference`]: struct.HashSet.html#method.symmetric_difference
-pub struct SymmetricDifference<'a, T: 'a, S: 'a> {
+pub struct SymmetricDifference<'a, T, S> {
     iter: Chain<Difference<'a, T, S>, Difference<'a, T, S>>,
 }
 
@@ -953,7 +953,7 @@ pub struct SymmetricDifference<'a, T: 'a, S: 'a> {
 ///
 /// [`HashSet`]: struct.HashSet.html
 /// [`union`]: struct.HashSet.html#method.union
-pub struct Union<'a, T: 'a, S: 'a> {
+pub struct Union<'a, T, S> {
     iter: Chain<Iter<'a, T>, Difference<'a, T, S>>,
 }
 
@@ -1029,7 +1029,7 @@ impl<'a, K> ExactSizeIterator for Iter<'a, K> {
 }
 
 impl<'a, K: fmt::Debug> fmt::Debug for Iter<'a, K> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
@@ -1051,7 +1051,7 @@ impl<K> ExactSizeIterator for IntoIter<K> {
 }
 
 impl<K: fmt::Debug> fmt::Debug for IntoIter<K> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let entries_iter = self.iter.inner.iter().map(|(k, _)| k);
         f.debug_list().entries(entries_iter).finish()
     }
@@ -1074,7 +1074,7 @@ impl<'a, K> ExactSizeIterator for Drain<'a, K> {
 }
 
 impl<'a, K: fmt::Debug> fmt::Debug for Drain<'a, K> {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         let entries_iter = self.iter.inner.iter().map(|(k, _)| k);
         f.debug_list().entries(entries_iter).finish()
     }
@@ -1116,7 +1116,7 @@ where
     T: fmt::Debug + Eq + Hash,
     S: BuildHasher,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
@@ -1157,7 +1157,7 @@ where
     T: fmt::Debug + Eq + Hash,
     S: BuildHasher,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
@@ -1190,7 +1190,7 @@ where
     T: fmt::Debug + Eq + Hash,
     S: BuildHasher,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
@@ -1208,7 +1208,7 @@ where
     T: fmt::Debug + Eq + Hash,
     S: BuildHasher,
 {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         f.debug_list().entries(self.clone()).finish()
     }
 }
diff --git a/components/hashglobe/src/lib.rs b/components/hashglobe/src/lib.rs
index cf6e9710f5f..865a4dab113 100644
--- a/components/hashglobe/src/lib.rs
+++ b/components/hashglobe/src/lib.rs
@@ -58,7 +58,7 @@ impl error::Error for FailedAllocationError {
 }
 
 impl fmt::Display for FailedAllocationError {
-    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self.allocation_info {
             Some(ref info) => write!(
                 f,
diff --git a/components/hashglobe/src/table.rs b/components/hashglobe/src/table.rs
index 98f6da2a700..06c87e863dc 100644
--- a/components/hashglobe/src/table.rs
+++ b/components/hashglobe/src/table.rs
@@ -853,7 +853,7 @@ impl<K, V> RawTable<K, V> {
         self.size
     }
 
-    fn raw_buckets(&self) -> RawBuckets<K, V> {
+    fn raw_buckets(&self) -> RawBuckets<'_, K, V> {
         RawBuckets {
             raw: self.raw_bucket_at(0),
             elems_left: self.size,
@@ -861,13 +861,13 @@ impl<K, V> RawTable<K, V> {
         }
     }
 
-    pub fn iter(&self) -> Iter<K, V> {
+    pub fn iter(&self) -> Iter<'_, K, V> {
         Iter {
             iter: self.raw_buckets(),
         }
     }
 
-    pub fn iter_mut(&mut self) -> IterMut<K, V> {
+    pub fn iter_mut(&mut self) -> IterMut<'_, K, V> {
         IterMut {
             iter: self.raw_buckets(),
             _marker: marker::PhantomData,
@@ -889,7 +889,7 @@ impl<K, V> RawTable<K, V> {
         }
     }
 
-    pub fn drain(&mut self) -> Drain<K, V> {
+    pub fn drain(&mut self) -> Drain<'_, K, V> {
         let RawBuckets {
             raw, elems_left, ..
         } = self.raw_buckets();
@@ -1008,7 +1008,7 @@ impl<'a, K, V> Clone for Iter<'a, K, V> {
 }
 
 /// Iterator over mutable references to entries in a table.
-pub struct IterMut<'a, K: 'a, V: 'a> {
+pub struct IterMut<'a, K: 'a, V> {
     iter: RawBuckets<'a, K, V>,
     // To ensure invariance with respect to V
     _marker: marker::PhantomData<&'a mut V>,
@@ -1020,7 +1020,7 @@ unsafe impl<'a, K: Sync, V: Sync> Sync for IterMut<'a, K, V> {}
 unsafe impl<'a, K: Send, V: Send> Send for IterMut<'a, K, V> {}
 
 impl<'a, K: 'a, V: 'a> IterMut<'a, K, V> {
-    pub fn iter(&self) -> Iter<K, V> {
+    pub fn iter(&self) -> Iter<'_, K, V> {
         Iter {
             iter: self.iter.clone(),
         }
@@ -1037,7 +1037,7 @@ unsafe impl<K: Sync, V: Sync> Sync for IntoIter<K, V> {}
 unsafe impl<K: Send, V: Send> Send for IntoIter<K, V> {}
 
 impl<K, V> IntoIter<K, V> {
-    pub fn iter(&self) -> Iter<K, V> {
+    pub fn iter(&self) -> Iter<'_, K, V> {
         Iter {
             iter: self.iter.clone(),
         }
@@ -1055,7 +1055,7 @@ unsafe impl<'a, K: Sync, V: Sync> Sync for Drain<'a, K, V> {}
 unsafe impl<'a, K: Send, V: Send> Send for Drain<'a, K, V> {}
 
 impl<'a, K, V> Drain<'a, K, V> {
-    pub fn iter(&self) -> Iter<K, V> {
+    pub fn iter(&self) -> Iter<'_, K, V> {
         Iter {
             iter: self.iter.clone(),
         }
diff --git a/ports/winit/app.rs b/ports/winit/app.rs
index 6e7deb18e8b..d22edee25aa 100644
--- a/ports/winit/app.rs
+++ b/ports/winit/app.rs
@@ -142,7 +142,7 @@ impl App {
     }
 
     // This function decides whether the event should be handled during `run_forever`.
-    fn winit_event_to_servo_event(&self, event: winit::event::Event<ServoEvent>) {
+    fn winit_event_to_servo_event(&self, event: winit::event::Event<'_, ServoEvent>) {
         match event {
             // App level events
             winit::event::Event::Suspended => {
diff --git a/ports/winit/backtrace.rs b/ports/winit/backtrace.rs
index 06c400267fa..fff4db5b103 100644
--- a/ports/winit/backtrace.rs
+++ b/ports/winit/backtrace.rs
@@ -28,7 +28,7 @@ struct Print {
 }
 
 impl fmt::Debug for Print {
-    fn fmt(&self, fmt: &mut fmt::Formatter) -> fmt::Result {
+    fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> fmt::Result {
         // Safety: we’re in a signal handler that is about to call `libc::_exit`.
         // Potential data races from using `*_unsynchronized` functions are perhaps
         // less bad than potential deadlocks?
@@ -78,7 +78,7 @@ impl fmt::Debug for Print {
     }
 }
 
-fn print_path(fmt: &mut fmt::Formatter, path: BytesOrWideString) -> fmt::Result {
+fn print_path(fmt: &mut fmt::Formatter<'_>, path: BytesOrWideString<'_>) -> fmt::Result {
     match path {
         BytesOrWideString::Bytes(mut bytes) => loop {
             match std::str::from_utf8(bytes) {
diff --git a/ports/winit/events_loop.rs b/ports/winit/events_loop.rs
index 2448e91e584..6275ffee183 100644
--- a/ports/winit/events_loop.rs
+++ b/ports/winit/events_loop.rs
@@ -82,7 +82,7 @@ impl EventsLoop {
 
     pub fn run_forever<F: 'static>(self, mut callback: F)
     where F: FnMut(
-        winit::event::Event<ServoEvent>,
+        winit::event::Event<'_, ServoEvent>,
         Option<&winit::event_loop::EventLoopWindowTarget<ServoEvent>>,
         &mut winit::event_loop::ControlFlow
     ) {
diff --git a/ports/winit/headed_window.rs b/ports/winit/headed_window.rs
index c12eb5b5e99..318f2083828 100644
--- a/ports/winit/headed_window.rs
+++ b/ports/winit/headed_window.rs
@@ -394,7 +394,7 @@ impl WindowPortsMethods for Window {
         self.winit_window.id()
     }
 
-    fn winit_event_to_servo_event(&self, event: winit::event::WindowEvent) {
+    fn winit_event_to_servo_event(&self, event: winit::event::WindowEvent<'_>) {
         match event {
             winit::event::WindowEvent::ReceivedCharacter(ch) => self.handle_received_character(ch),
             winit::event::WindowEvent::KeyboardInput { input, .. } => self.handle_keyboard_input(input),
diff --git a/ports/winit/headless_window.rs b/ports/winit/headless_window.rs
index 49b23072257..7402a5c5221 100644
--- a/ports/winit/headless_window.rs
+++ b/ports/winit/headless_window.rs
@@ -98,7 +98,7 @@ impl WindowPortsMethods for Window {
         self.animation_state.get() == AnimationState::Animating
     }
 
-    fn winit_event_to_servo_event(&self, _event: winit::event::WindowEvent) {
+    fn winit_event_to_servo_event(&self, _event: winit::event::WindowEvent<'_>) {
         // Not expecting any winit events.
     }
 
diff --git a/ports/winit/window_trait.rs b/ports/winit/window_trait.rs
index e02f7dfba60..d44c853e0d3 100644
--- a/ports/winit/window_trait.rs
+++ b/ports/winit/window_trait.rs
@@ -20,7 +20,7 @@ pub trait WindowPortsMethods: WindowMethods {
     fn has_events(&self) -> bool;
     fn page_height(&self) -> f32;
     fn get_fullscreen(&self) -> bool;
-    fn winit_event_to_servo_event(&self, event: winit::event::WindowEvent);
+    fn winit_event_to_servo_event(&self, event: winit::event::WindowEvent<'_>);
     fn is_animating(&self) -> bool;
     fn set_title(&self, _title: &str) {}
     fn set_inner_size(&self, _size: DeviceIntSize) {}