Fix clippy warnings

Cargo.toml

@@ -45,9 +45,9 @@ unused_qualifications = "warn"
 unused_results = "warn"
 
 [lints.clippy]
-all = "warn"
-pedantic = "warn"
-style = "warn"
+all = { level = "warn", priority = -1 }
+pedantic = { level = "warn", priority = -1 }
+style = { level = "warn", priority = -1 }
 
 missing_errors_doc = "allow"
 module_name_repetitions = "allow"

tests/readme.rs

@@ -14,9 +14,12 @@ fn readme_example_is_correct() {
     let example = example["```rust".len()..example.len() - "```".len()]
         .trim()
         .replace("\r\n", "\n");
-    let test_contents = TEST_CONTENTS["#![cfg(feature = \"futures\")]".len()..]
+    let test_contents = TEST_CONTENTS
+        .splitn(3, '\n')
+        .last()
+        .unwrap()
         .split("#[ignore]")
-        .map(|s| s.trim())
+        .map(str::trim)
         .collect::<Vec<_>>()
         .join("\n")
         .replace("\r\n", "\n");

tests/readme_example.rs

@@ -1,4 +1,5 @@
 #![cfg(feature = "futures")]
+#![allow(clippy::unused_async)]
 
 use expecters::prelude::*;