Ignore explicit_auto_deref clippy lint

    error: deref which would be done by auto-deref
       --> src/error.rs:961:9
        |
    961 |         &**self
        |         ^^^^^^^ help: try this: `self`
        |
        = note: `-D clippy::explicit-auto-deref` implied by `-D clippy::all`
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref

    error: deref which would be done by auto-deref
       --> src/error.rs:968:9
        |
    968 |         &**self
        |         ^^^^^^^ help: try this: `self`
        |
        = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref

src/lib.rs

@@ -218,6 +218,7 @@
 #![allow(
     clippy::doc_markdown,
     clippy::enum_glob_use,
+    clippy::explicit_auto_deref,
     clippy::missing_errors_doc,
     clippy::missing_panics_doc,
     clippy::module_name_repetitions,