Fix lint warnings

Cargo.toml

@@ -11,6 +11,10 @@ keywords = ["fmt", "no_std"]
 categories = ["no-std", "rust-patterns", "value-formatting"]
 exclude = [".*"]
 
+[lints.rust.unexpected_cfgs]
+level = "warn"
+check-cfg = ['cfg(fmt_cmp_semver_exempt)']
+
 [features]
 default = ["alloc"]
 

src/int/traits.rs

@@ -1,3 +1,6 @@
+// We are using a hack to polyfill the `ilog` methods.
+#![allow(clippy::incompatible_msrv)]
+
 /// A trait for integer types that can be compared with [`cmp_int`](super::cmp_int) function.
 ///
 /// This trait is sealed and cannot be implemented outside of `fmt_cmp` crate.