Ignore needless_lifetimes clippy lint

    warning: the following explicit lifetimes could be elided: 'a
      --> src/execution.rs:20:6
       |
    20 | impl<'a> Execution<'a> {
       |      ^^            ^^
       |
       = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
       = note: `-W clippy::needless-lifetimes` implied by `-W clippy::all`
       = help: to override `-W clippy::all` add `#[allow(clippy::needless_lifetimes)]`
    help: elide the lifetimes
       |
    20 - impl<'a> Execution<'a> {
    20 + impl Execution<'_> {
       |

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

src/lib.rs

@@ -314,6 +314,7 @@
     clippy::missing_panics_doc,
     clippy::module_name_repetitions,
     clippy::must_use_candidate,
+    clippy::needless_lifetimes,
     clippy::needless_pass_by_value,
     clippy::new_without_default,
     clippy::return_self_not_must_use,