warning: `format!(..)` appended to existing `String`
      --> src/css.rs:12:9
       |
    12 |         styles += &format!("a.struct[title=\"struct syn::token::{ty}\"],\n");
       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       |
       = help: consider using `write!` to avoid the extra allocation
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string
       = note: `-W clippy::format-push-string` implied by `-W clippy::pedantic`
       = help: to override `-W clippy::pedantic` add `#[allow(clippy::format_push_string)]`

    warning: `format!(..)` appended to existing `String`
      --> src/css.rs:24:9
       |
    24 |         styles += &format!("a.struct[title=\"struct syn::token::{ty}\"]::before,\n");
       |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       |
       = help: consider using `write!` to avoid the extra allocation
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string

    warning: `format!(..)` appended to existing `String`
      --> src/css.rs:40:9
       |
    40 | /         styles += &match Ord::cmp(&macro_len, &ty_len) {
    41 | |             Ordering::Less => {
    42 | |                 shrink
    43 | |                     .entry((macro_len, ty_len))
    ...  |
    63 | |         };
       | |_________^
       |
       = help: consider using `write!` to avoid the extra allocation
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string

    warning: `format!(..)` appended to existing `String`
      --> src/css.rs:67:13
       |
    67 |             styles += &format!("\na.struct[title=\"struct syn::token::{ty}\"],");
       |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       |
       = help: consider using `write!` to avoid the extra allocation
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string

    warning: `format!(..)` appended to existing `String`
      --> src/css.rs:70:9
       |
    70 | /         styles += &formatdoc! {"
    71 | |              {{
    72 | |             \tfont-size: calc(100% * {macro_len} / {ty_len});
    73 | |             }}
    74 | |         "};
       | |__________^
       |
       = help: consider using `write!` to avoid the extra allocation
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string

    warning: `format!(..)` appended to existing `String`
      --> src/css.rs:78:13
       |
    78 |             styles += &format!("\na.struct[title=\"struct syn::token::{ty}\"]::after,");
       |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
       |
       = help: consider using `write!` to avoid the extra allocation
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string

    warning: `format!(..)` appended to existing `String`
      --> src/css.rs:82:9
       |
    82 | /         styles += &formatdoc! {"
    83 | |              {{
    84 | |             \tcontent: \"{padding}\";
    85 | |             }}
    86 | |         "};
       | |__________^
       |
       = help: consider using `write!` to avoid the extra allocation
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#format_push_string

False is the default value since Cargo PR 11499.

…suppressions-09e33d

Remove obsolete clippy suppressions

    warning: the following explicit lifetimes could be elided: 'a
       --> src/attr.rs:764:10
        |
    764 |     impl<'a> Display for DisplayAttrStyle<'a> {
        |          ^^                               ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
        = note: `-W clippy::elidable-lifetime-names` implied by `-W clippy::pedantic`
        = help: to override `-W clippy::pedantic` add `#[allow(clippy::elidable_lifetime_names)]`
    help: elide the lifetimes
        |
    764 -     impl<'a> Display for DisplayAttrStyle<'a> {
    764 +     impl Display for DisplayAttrStyle<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/attr.rs:775:10
        |
    775 |     impl<'a> Display for DisplayPath<'a> {
        |          ^^                          ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    775 -     impl<'a> Display for DisplayPath<'a> {
    775 +     impl Display for DisplayPath<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/buffer.rs:381:6
        |
    381 | impl<'a> Copy for Cursor<'a> {}
        |      ^^                  ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    381 - impl<'a> Copy for Cursor<'a> {}
    381 + impl Copy for Cursor<'_> {}
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/buffer.rs:383:6
        |
    383 | impl<'a> Clone for Cursor<'a> {
        |      ^^                   ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    383 - impl<'a> Clone for Cursor<'a> {
    383 + impl Clone for Cursor<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/buffer.rs:389:6
        |
    389 | impl<'a> Eq for Cursor<'a> {}
        |      ^^                ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    389 - impl<'a> Eq for Cursor<'a> {}
    389 + impl Eq for Cursor<'_> {}
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/buffer.rs:391:6
        |
    391 | impl<'a> PartialEq for Cursor<'a> {
        |      ^^                       ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    391 - impl<'a> PartialEq for Cursor<'a> {
    391 + impl PartialEq for Cursor<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/buffer.rs:397:6
        |
    397 | impl<'a> PartialOrd for Cursor<'a> {
        |      ^^                        ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    397 - impl<'a> PartialOrd for Cursor<'a> {
    397 + impl PartialOrd for Cursor<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/data.rs:207:6
        |
    207 | impl<'a> Iterator for Members<'a> {
        |      ^^                       ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    207 - impl<'a> Iterator for Members<'a> {
    207 + impl Iterator for Members<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/data.rs:230:6
        |
    230 | impl<'a> Clone for Members<'a> {
        |      ^^                    ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    230 - impl<'a> Clone for Members<'a> {
    230 + impl Clone for Members<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/error.rs:451:6
        |
    451 | impl<'a> Iterator for Iter<'a> {
        |      ^^                    ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    451 - impl<'a> Iterator for Iter<'a> {
    451 + impl Iterator for Iter<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/generics.rs:345:6
        |
    345 | impl<'a> TypeGenerics<'a> {
        |      ^^               ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    345 - impl<'a> TypeGenerics<'a> {
    345 + impl TypeGenerics<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
        --> src/generics.rs:1125:10
         |
    1125 |     impl<'a> ToTokens for ImplGenerics<'a> {
         |          ^^                            ^^
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
         |
    1125 -     impl<'a> ToTokens for ImplGenerics<'a> {
    1125 +     impl ToTokens for ImplGenerics<'_> {
         |

    warning: the following explicit lifetimes could be elided: 'a
        --> src/generics.rs:1177:10
         |
    1177 |     impl<'a> ToTokens for TypeGenerics<'a> {
         |          ^^                            ^^
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
         |
    1177 -     impl<'a> ToTokens for TypeGenerics<'a> {
    1177 +     impl ToTokens for TypeGenerics<'_> {
         |

    warning: the following explicit lifetimes could be elided: 'a
        --> src/generics.rs:1222:10
         |
    1222 |     impl<'a> ToTokens for Turbofish<'a> {
         |          ^^                         ^^
         |
         = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
         |
    1222 -     impl<'a> ToTokens for Turbofish<'a> {
    1222 +     impl ToTokens for Turbofish<'_> {
         |

    warning: the following explicit lifetimes could be elided: 'a
      --> src/lookahead.rs:88:6
       |
    88 | impl<'a> Lookahead1<'a> {
       |      ^^             ^^
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
       |
    88 - impl<'a> Lookahead1<'a> {
    88 + impl Lookahead1<'_> {
       |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/discouraged.rs:167:6
        |
    167 | impl<'a> Speculative for ParseBuffer<'a> {
        |      ^^                              ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    167 - impl<'a> Speculative for ParseBuffer<'a> {
    167 + impl Speculative for ParseBuffer<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/discouraged.rs:211:6
        |
    211 | impl<'a> AnyDelimiter for ParseBuffer<'a> {
        |      ^^                               ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    211 - impl<'a> AnyDelimiter for ParseBuffer<'a> {
    211 + impl AnyDelimiter for ParseBuffer<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/parse.rs:264:6
        |
    264 | impl<'a> Drop for ParseBuffer<'a> {
        |      ^^                       ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    264 - impl<'a> Drop for ParseBuffer<'a> {
    264 + impl Drop for ParseBuffer<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/parse.rs:276:6
        |
    276 | impl<'a> Display for ParseBuffer<'a> {
        |      ^^                          ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    276 - impl<'a> Display for ParseBuffer<'a> {
    276 + impl Display for ParseBuffer<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/parse.rs:282:6
        |
    282 | impl<'a> Debug for ParseBuffer<'a> {
        |      ^^                        ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    282 - impl<'a> Debug for ParseBuffer<'a> {
    282 + impl Debug for ParseBuffer<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/parse.rs:288:6
        |
    288 | impl<'a> UnwindSafe for ParseBuffer<'a> {}
        |      ^^                             ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    288 - impl<'a> UnwindSafe for ParseBuffer<'a> {}
    288 + impl UnwindSafe for ParseBuffer<'_> {}
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/parse.rs:289:6
        |
    289 | impl<'a> RefUnwindSafe for ParseBuffer<'a> {}
        |      ^^                                ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    289 - impl<'a> RefUnwindSafe for ParseBuffer<'a> {}
    289 + impl RefUnwindSafe for ParseBuffer<'_> {}
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/parse.rs:350:10
        |
    350 | impl<'c, 'a> Deref for StepCursor<'c, 'a> {
        |          ^^                           ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    350 - impl<'c, 'a> Deref for StepCursor<'c, 'a> {
    350 + impl<'c> Deref for StepCursor<'c, '_> {
        |

    warning: the following explicit lifetimes could be elided: 'c, 'a
       --> src/parse.rs:358:6
        |
    358 | impl<'c, 'a> Copy for StepCursor<'c, 'a> {}
        |      ^^  ^^                      ^^  ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    358 - impl<'c, 'a> Copy for StepCursor<'c, 'a> {}
    358 + impl Copy for StepCursor<'_, '_> {}
        |

    warning: the following explicit lifetimes could be elided: 'c, 'a
       --> src/parse.rs:360:6
        |
    360 | impl<'c, 'a> Clone for StepCursor<'c, 'a> {
        |      ^^  ^^                       ^^  ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    360 - impl<'c, 'a> Clone for StepCursor<'c, 'a> {
    360 + impl Clone for StepCursor<'_, '_> {
        |

    warning: the following explicit lifetimes could be elided: 'c, 'a
       --> src/parse.rs:366:6
        |
    366 | impl<'c, 'a> StepCursor<'c, 'a> {
        |      ^^  ^^             ^^  ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    366 - impl<'c, 'a> StepCursor<'c, 'a> {
    366 + impl StepCursor<'_, '_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/path.rs:956:18
        |
    956 |             impl<'a> ToTokens for QSelfDelimiters<'a> {
        |                  ^^                               ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    956 -             impl<'a> ToTokens for QSelfDelimiters<'a> {
    956 +             impl ToTokens for QSelfDelimiters<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
     --> src/print.rs:6:6
      |
    6 | impl<'a, T> ToTokens for TokensOrDefault<'a, T>
      |      ^^                                  ^^
      |
      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
      |
    6 - impl<'a, T> ToTokens for TokensOrDefault<'a, T>
    6 + impl<T> ToTokens for TokensOrDefault<'_, T>
      |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:580:6
        |
    580 | impl<'a, T, P> DoubleEndedIterator for Pairs<'a, T, P> {
        |      ^^                                      ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    580 - impl<'a, T, P> DoubleEndedIterator for Pairs<'a, T, P> {
    580 + impl<T, P> DoubleEndedIterator for Pairs<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:589:6
        |
    589 | impl<'a, T, P> ExactSizeIterator for Pairs<'a, T, P> {
        |      ^^                                    ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    589 - impl<'a, T, P> ExactSizeIterator for Pairs<'a, T, P> {
    589 + impl<T, P> ExactSizeIterator for Pairs<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:596:6
        |
    596 | impl<'a, T, P> Clone for Pairs<'a, T, P> {
        |      ^^                        ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    596 - impl<'a, T, P> Clone for Pairs<'a, T, P> {
    596 + impl<T, P> Clone for Pairs<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:630:6
        |
    630 | impl<'a, T, P> DoubleEndedIterator for PairsMut<'a, T, P> {
        |      ^^                                         ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    630 - impl<'a, T, P> DoubleEndedIterator for PairsMut<'a, T, P> {
    630 + impl<T, P> DoubleEndedIterator for PairsMut<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:639:6
        |
    639 | impl<'a, T, P> ExactSizeIterator for PairsMut<'a, T, P> {
        |      ^^                                       ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    639 - impl<'a, T, P> ExactSizeIterator for PairsMut<'a, T, P> {
    639 + impl<T, P> ExactSizeIterator for PairsMut<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:775:6
        |
    775 | impl<'a, T> Clone for Iter<'a, T> {
        |      ^^                    ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    775 - impl<'a, T> Clone for Iter<'a, T> {
    775 + impl<T> Clone for Iter<'_, T> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:795:6
        |
    795 | impl<'a, T> DoubleEndedIterator for Iter<'a, T> {
        |      ^^                                  ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    795 - impl<'a, T> DoubleEndedIterator for Iter<'a, T> {
    795 + impl<T> DoubleEndedIterator for Iter<'_, T> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:801:6
        |
    801 | impl<'a, T> ExactSizeIterator for Iter<'a, T> {
        |      ^^                                ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    801 - impl<'a, T> ExactSizeIterator for Iter<'a, T> {
    801 + impl<T> ExactSizeIterator for Iter<'_, T> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:818:6
        |
    818 | impl<'a, T, P> DoubleEndedIterator for PrivateIter<'a, T, P> {
        |      ^^                                            ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    818 - impl<'a, T, P> DoubleEndedIterator for PrivateIter<'a, T, P> {
    818 + impl<T, P> DoubleEndedIterator for PrivateIter<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:826:6
        |
    826 | impl<'a, T, P> ExactSizeIterator for PrivateIter<'a, T, P> {
        |      ^^                                          ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    826 - impl<'a, T, P> ExactSizeIterator for PrivateIter<'a, T, P> {
    826 + impl<T, P> ExactSizeIterator for PrivateIter<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:833:6
        |
    833 | impl<'a, T, P> Clone for PrivateIter<'a, T, P> {
        |      ^^                              ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    833 - impl<'a, T, P> Clone for PrivateIter<'a, T, P> {
    833 + impl<T, P> Clone for PrivateIter<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:901:6
        |
    901 | impl<'a, T> DoubleEndedIterator for IterMut<'a, T> {
        |      ^^                                     ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    901 - impl<'a, T> DoubleEndedIterator for IterMut<'a, T> {
    901 + impl<T> DoubleEndedIterator for IterMut<'_, T> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:907:6
        |
    907 | impl<'a, T> ExactSizeIterator for IterMut<'a, T> {
        |      ^^                                   ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    907 - impl<'a, T> ExactSizeIterator for IterMut<'a, T> {
    907 + impl<T> ExactSizeIterator for IterMut<'_, T> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:924:6
        |
    924 | impl<'a, T, P> DoubleEndedIterator for PrivateIterMut<'a, T, P> {
        |      ^^                                               ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    924 - impl<'a, T, P> DoubleEndedIterator for PrivateIterMut<'a, T, P> {
    924 + impl<T, P> DoubleEndedIterator for PrivateIterMut<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
       --> src/punctuated.rs:932:6
        |
    932 | impl<'a, T, P> ExactSizeIterator for PrivateIterMut<'a, T, P> {
        |      ^^                                             ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
        |
    932 - impl<'a, T, P> ExactSizeIterator for PrivateIterMut<'a, T, P> {
    932 + impl<T, P> ExactSizeIterator for PrivateIterMut<'_, T, P> {
        |

    warning: the following explicit lifetimes could be elided: 'a
     --> src/tt.rs:6:6
      |
    6 | impl<'a> PartialEq for TokenTreeHelper<'a> {
      |      ^^                                ^^
      |
      = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
      |
    6 - impl<'a> PartialEq for TokenTreeHelper<'a> {
    6 + impl PartialEq for TokenTreeHelper<'_> {
      |

    warning: the following explicit lifetimes could be elided: 'a
      --> src/tt.rs:48:6
       |
    48 | impl<'a> Hash for TokenTreeHelper<'a> {
       |      ^^                           ^^
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
       |
    48 - impl<'a> Hash for TokenTreeHelper<'a> {
    48 + impl Hash for TokenTreeHelper<'_> {
       |

    warning: the following explicit lifetimes could be elided: 'a
      --> src/tt.rs:83:6
       |
    83 | impl<'a> PartialEq for TokenStreamHelper<'a> {
       |      ^^                                  ^^
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
       |
    83 - impl<'a> PartialEq for TokenStreamHelper<'a> {
    83 + impl PartialEq for TokenStreamHelper<'_> {
       |

    warning: the following explicit lifetimes could be elided: 'a
      --> src/tt.rs:99:6
       |
    99 | impl<'a> Hash for TokenStreamHelper<'a> {
       |      ^^                             ^^
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
    help: elide the lifetimes
       |
    99 - impl<'a> Hash for TokenStreamHelper<'a> {
    99 + impl Hash for TokenStreamHelper<'_> {
       |

    warning: the following explicit lifetimes could be elided: 'a
       --> tests/common/eq.rs:263:6
        |
    263 | impl<'a, T: ?Sized + ToOwned + SpanlessEq> SpanlessEq for Cow<'a, T> {
        |      ^^                                                       ^^
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#elidable_lifetime_names
        = note: `-W clippy::elidable-lifetime-names` implied by `-W clippy::pedantic`
        = help: to override `-W clippy::pedantic` add `#[allow(clippy::elidable_lifetime_names)]`
    help: elide the lifetimes
        |
    263 - impl<'a, T: ?Sized + ToOwned + SpanlessEq> SpanlessEq for Cow<'a, T> {
    263 + impl<T: ?Sized + ToOwned + SpanlessEq> SpanlessEq for Cow<'_, T> {
        |