Move lints to Cargo.toml

Cargo.toml

@@ -41,3 +41,24 @@ default-features = false
 features = ["alloc"]
 optional = true
 version = "1.0.85"
+
+[lints.clippy]
+alloc-instead-of-core = "warn"
+as-conversions = "warn"
+assertions-on-result-states = "warn"
+cargo = "warn"
+dbg-macro = "warn"
+decimal-literal-representation = "warn"
+expect-used = "warn"
+panic = "warn"
+pedantic = "warn"
+self-named-module-files = "warn"
+std-instead-of-alloc = "warn"
+std-instead-of-core = "warn"
+todo = "warn"
+unimplemented = "warn"
+unwrap-used = "warn"
+unreachable = "warn"
+
+[lints.rust]
+rust-2018-idioms = "warn"

src/lib.rs

@@ -58,25 +58,6 @@ Deserialization is implemented with [Serde][3], and requires `gateway` feature t
 [`gateway`]: crate::gateway
 */
 
-#![warn(
-    clippy::alloc_instead_of_core,
-    clippy::as_conversions,
-    clippy::assertions_on_result_states,
-    clippy::cargo,
-    clippy::dbg_macro,
-    clippy::decimal_literal_representation,
-    clippy::expect_used,
-    clippy::panic,
-    clippy::pedantic,
-    clippy::self_named_module_files,
-    clippy::std_instead_of_alloc,
-    clippy::std_instead_of_core,
-    clippy::todo,
-    clippy::unimplemented,
-    clippy::unwrap_used,
-    clippy::unreachable,
-    rust_2018_idioms
-)]
 #![cfg_attr(not(feature = "std"), no_std)]
 
 #[cfg(feature = "gateway")]