warning: the following explicit lifetimes could be elided: 'a
       --> src/expand.rs:445:10
        |
    445 |     impl<'a> VisitMut for AssociatedTypeImplTraits<'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
        |
    445 -     impl<'a> VisitMut for AssociatedTypeImplTraits<'a> {
    445 +     impl VisitMut for AssociatedTypeImplTraits<'_> {
        |

    warning: the following explicit lifetimes could be elided: 'a
        --> tests/test.rs:1432:10
         |
    1432 |     impl<'a> Drop for IncrementOnDrop<'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
         |
    1432 -     impl<'a> Drop for IncrementOnDrop<'a> {
    1432 +     impl Drop for IncrementOnDrop<'_> {
         |

    warning: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take`
       --> src/expand.rs:195:30
        |
    195 |                 let bounds = mem::replace(&mut param.bounds, Punctuated::new());
        |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut param.bounds)`
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_with_default
        = note: `-W clippy::mem-replace-with-default` implied by `-W clippy::all`
        = help: to override `-W clippy::all` add `#[allow(clippy::mem_replace_with_default)]`

    warning: replacing a value of type `T` with `T::default()` is better expressed using `std::mem::take`
       --> src/expand.rs:206:30
        |
    206 |                 let bounds = mem::replace(&mut param.bounds, Punctuated::new());
        |                              ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `std::mem::take(&mut param.bounds)`
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mem_replace_with_default