chore: make reth-evm compile with no-std (#8934)

crates/evm/src/execute.rs

@@ -6,6 +6,9 @@ use reth_prune_types::PruneModes;
 use revm::db::BundleState;
 use revm_primitives::db::Database;
 
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
+
 pub use reth_execution_errors::{BlockExecutionError, BlockValidationError};
 pub use reth_storage_errors::provider::ProviderError;
 

crates/evm/src/lib.rs

@@ -7,6 +7,10 @@
 )]
 #![cfg_attr(not(test), warn(unused_crate_dependencies))]
 #![cfg_attr(docsrs, feature(doc_cfg, doc_auto_cfg))]
+#![cfg_attr(not(feature = "std"), no_std)]
+
+#[cfg(not(feature = "std"))]
+extern crate alloc;
 
 use reth_chainspec::ChainSpec;
 use reth_primitives::{revm::env::fill_block_env, Address, Header, TransactionSigned, U256};