diff --git a/src/evm/ext.rs b/src/evm/ext.rs
index 8ceeea369..464786e0a 100644
--- a/src/evm/ext.rs
+++ b/src/evm/ext.rs
@@ -41,7 +41,7 @@ pub trait Ext {
 	fn extcode(&self, address: &Address) -> Vec<u8>;
 
 	/// Creates log entry with given topics and data
-	fn log(&mut self, topics: Vec<H256>, data: &[u8]);
+	fn log(&mut self, topics: Vec<H256>, data: Vec<u8>);
 
 	/// Should be called when transaction calls `RETURN` opcode.
 	/// Returns gas_left if cost of returning the data is not too high.
diff --git a/src/evm/interpreter.rs b/src/evm/interpreter.rs
index 0207583f4..d98107f9c 100644
--- a/src/evm/interpreter.rs
+++ b/src/evm/interpreter.rs
@@ -499,7 +499,7 @@ impl Interpreter {
 					.iter()
 					.map(H256::from)
 					.collect();
-				ext.log(topics, mem.read_slice(offset, size));
+				ext.log(topics, mem.read_slice(offset, size).to_vec());
 			},
 			instructions::PUSH1...instructions::PUSH32 => {
 				let bytes = instructions::get_push_bytes(instruction);
diff --git a/src/evm/jit.rs b/src/evm/jit.rs
index 8b33bb1a3..4e0bb1012 100644
--- a/src/evm/jit.rs
+++ b/src/evm/jit.rs
@@ -284,7 +284,7 @@ impl<'a> evmjit::Ext for ExtAdapter<'a> {
 			}
 		
 			let bytes_ref: &[u8] = slice::from_raw_parts(beg, size as usize);
-			self.ext.log(topics, bytes_ref);
+			self.ext.log(topics, bytes_ref.to_vec());
 		}
 	}
 
diff --git a/src/evm/tests.rs b/src/evm/tests.rs
index 2fa98e3ea..67953bb10 100644
--- a/src/evm/tests.rs
+++ b/src/evm/tests.rs
@@ -70,10 +70,10 @@ impl Ext for FakeExt {
 		self.codes.get(address).unwrap_or(&Bytes::new()).clone()
 	}
 
-	fn log(&mut self, topics: Vec<H256>, data: &[u8]) {
+	fn log(&mut self, topics: Vec<H256>, data: Vec<u8>) {
 		self.logs.push(FakeLogEntry {
 			topics: topics,
-			data: data.to_vec()
+			data: data
 		});
 	}
 
diff --git a/src/executive.rs b/src/executive.rs
index d3dd5aab2..90a0d24ca 100644
--- a/src/executive.rs
+++ b/src/executive.rs
@@ -2,7 +2,7 @@
 use common::*;
 use state::*;
 use engine::*;
-use evm::{self, Factory, Ext};
+use evm::{self, Ext};
 use externalities::*;
 use substate::*;
 
@@ -270,7 +270,6 @@ impl<'a> Executive<'a> {
 					refunded: U256::zero(),
 					cumulative_gas_used: self.info.gas_used + t.gas,
 					logs: vec![],
-					excepted: true,
 					contracts_created: vec![]
 				})
 			},
@@ -283,16 +282,6 @@ impl<'a> Executive<'a> {
 					logs: substate.logs,
 					contracts_created: substate.contracts_created
 				})
-			},
-			_err => {
-				Ok(Executed {
-					gas: t.gas,
-					gas_used: t.gas,
-					refunded: U256::zero(),
-					cumulative_gas_used: self.info.gas_used + t.gas,
-					logs: vec![],
-					contracts_created: vec![]
-				})
 			}
 		}
 	}
@@ -320,7 +309,7 @@ mod tests {
 	use ethereum;
 	use engine::*;
 	use spec::*;
-	use evm::Schedule;
+	use evm::{Schedule, Factory, VMType};
 	use substate::*;
 
 	struct TestEngine {
diff --git a/src/tests/executive.rs b/src/tests/executive.rs
index 8b87681a5..6fd71bb06 100644
--- a/src/tests/executive.rs
+++ b/src/tests/executive.rs
@@ -135,7 +135,7 @@ impl<'a> Ext for TestExt<'a> {
 		self.ext.extcode(address)
 	}
 	
-	fn log(&mut self, topics: Vec<H256>, data: &[u8]) {
+	fn log(&mut self, topics: Vec<H256>, data: Vec<u8>) {
 		self.ext.log(topics, data)
 	}