Tune up lints for 1.82 Rust

src/lib.rs

@@ -113,6 +113,7 @@
     clippy::or_fun_call,
     clippy::panic_in_result_fn,
     clippy::partial_pub_fields,
+    clippy::pathbuf_init_then_push,
     clippy::pedantic,
     clippy::print_stderr,
     clippy::print_stdout,
@@ -143,6 +144,7 @@
     clippy::suspicious_xor_used_as_pow,
     clippy::tests_outside_test_module,
     clippy::todo,
+    clippy::too_long_first_doc_paragraph,
     clippy::trailing_empty_array,
     clippy::transmute_undefined_repr,
     clippy::trivial_regex,
@@ -156,6 +158,7 @@
     clippy::unnecessary_struct_initialization,
     clippy::unneeded_field_pattern,
     clippy::unused_peekable,
+    clippy::unused_result_ok,
     clippy::unwrap_in_result,
     clippy::unwrap_used,
     clippy::use_debug,

src/recorder/mod.rs

@@ -557,7 +557,7 @@ impl<S, L> Builder<S, L> {
     /// );
     /// # Ok::<_, prometheus::Error>(())
     /// ```
-    // TODO: Try remove on Rust 1.82 upgrade.
+    // TODO: Try remove on Rust 1.83 upgrade.
     #[expect( // anonymous lifetimes in `impl Trait` are unstable
         single_use_lifetimes,
         reason = "anonymous lifetimes in `impl Trait` are unstable"

src/storage/immutable.rs

@@ -15,9 +15,10 @@ use super::KeyName;
 pub type Collection<M> = HashMap<KeyName, metric::Describable<M>>;
 
 /// Snapshot of a [`mutable::Storage`], that is not capable of registering
-/// metrics in a [`prometheus::Registry`] on the fly, but still allowing to
-/// change their [`help` description] on the fly, once they were registered in
-/// the [`mutable::Storage`] before snapshot.
+/// metrics in a [`prometheus::Registry`] on the fly.
+///
+/// However, still allows to change metrics [`help` description] on the fly,
+/// once they are registered in a [`mutable::Storage`] before snapshot.
 ///
 /// In comparison with a [`metrics::Registry`], this immutable [`Storage`]
 /// provides much less overhead of accessing an already registered metric (just