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[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnarbonnais%2FWASM-Smart-Contract-Engine" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
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[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/narbonnais/WASM-Smart-Contract-Engine
[INFO] finished tweaking git repo https://github.com/narbonnais/WASM-Smart-Contract-Engine
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[INFO] [stdout] warning: unused imports: `get` and `set`
[INFO] [stdout]  --> counter-contract/src/lib.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use contracts_std::{get, log, set, write_response, StorageError};
[INFO] [stdout]   |                     ^^^       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `get` and `set`
[INFO] [stdout]  --> counter-contract/src/lib.rs:6:21
[INFO] [stdout]   |
[INFO] [stdout] 6 | use contracts_std::{get, log, set, write_response, StorageError};
[INFO] [stdout]   |                     ^^^       ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
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[INFO] [stderr]     Checking wasmer-middlewares v5.0.4
[INFO] [stderr]     Checking engine v0.1.0 (/opt/rustwide/workdir/engine)
[INFO] [stdout] warning: unused import: `address_to_hash`
[INFO] [stdout]  --> engine/src/api.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::{address_to_hash, code_to_hash, derive_contract_address};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MemoryAccessError`
[INFO] [stdout]  --> engine/src/wasm/imports/utils.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use wasmer::{FunctionEnvMut, MemoryAccessError};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Store`
[INFO] [stdout]   --> engine/src/wasm/execution.rs:11:64
[INFO] [stdout]    |
[INFO] [stdout] 11 | use wasmer::{imports, Function, FunctionEnv, Instance, Module, Store, Value as WasmValue};
[INFO] [stdout]    |                                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::api::*`
[INFO] [stdout]  --> engine/src/tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::api::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> engine/src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::storage::*`
[INFO] [stdout]  --> engine/src/tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::storage::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> engine/src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::utils::*`
[INFO] [stdout]  --> engine/src/tests.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> engine/src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AtomicUsize` and `Ordering`
[INFO] [stdout]  --> engine/src/tests.rs:4:25
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::sync::atomic::{AtomicUsize, Ordering};
[INFO] [stdout]   |                         ^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> engine/src/main.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | mod tests;
[INFO] [stdout]   | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `address_to_hash`
[INFO] [stdout]  --> engine/src/api.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::utils::{address_to_hash, code_to_hash, derive_contract_address};
[INFO] [stdout]   |                    ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MemoryAccessError`
[INFO] [stdout]  --> engine/src/wasm/imports/utils.rs:3:30
[INFO] [stdout]   |
[INFO] [stdout] 3 | use wasmer::{FunctionEnvMut, MemoryAccessError};
[INFO] [stdout]   |                              ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Store`
[INFO] [stdout]   --> engine/src/wasm/execution.rs:11:64
[INFO] [stdout]    |
[INFO] [stdout] 11 | use wasmer::{imports, Function, FunctionEnv, Instance, Module, Store, Value as WasmValue};
[INFO] [stdout]    |                                                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `json`
[INFO] [stdout]    --> engine/src/tests.rs:161:22
[INFO] [stdout]     |
[INFO] [stdout] 161 |     use serde_json::{json, Value};
[INFO] [stdout]     |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token_messages::*`
[INFO] [stdout]    --> engine/src/tests.rs:162:9
[INFO] [stdout]     |
[INFO] [stdout] 162 |     use token_messages::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `counter_messages::*`
[INFO] [stdout]    --> engine/src/tests.rs:163:9
[INFO] [stdout]     |
[INFO] [stdout] 163 |     use counter_messages::*;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn debug_log(mut env: FunctionEnvMut<Env>, ptr: u32, len: u32) -> u32 {
[INFO] [stdout]    |                  ----^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn get_caller(mut env: FunctionEnvMut<Env>, ptr: u32, len: u32) -> u32 {
[INFO] [stdout]    |                   ----^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> engine/src/wasm/execution.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut env = Env {
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_query`
[INFO] [stdout]   --> engine/src/wasm/execution.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     is_query: bool, // Flag to potentially restrict imports later
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_query`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `deploy` is never used
[INFO] [stdout]  --> engine/src/api.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn deploy(storage: &Storage, code: &[u8]) -> Result<String, Error> {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `instantiate` is never used
[INFO] [stdout]   --> engine/src/api.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub fn instantiate(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute` is never used
[INFO] [stdout]   --> engine/src/api.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | pub fn execute(
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `query` is never used
[INFO] [stdout]   --> engine/src/api.rs:64:8
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub fn query(
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Error` is never used
[INFO] [stdout]  --> engine/src/errors.rs:4:10
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum Error {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ContractInfo` is never constructed
[INFO] [stdout]  --> engine/src/storage.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct ContractInfo {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Storage` is never constructed
[INFO] [stdout]   --> engine/src/storage.rs:15:12
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Storage {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> engine/src/storage.rs:20:11
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl Storage {
[INFO] [stdout]     | ------------ associated items in this implementation
[INFO] [stdout]  20 |     const CODE_PREFIX: &'static [u8] = b"code:";
[INFO] [stdout]     |           ^^^^^^^^^^^
[INFO] [stdout]  21 |     const CONTRACT_PREFIX: &'static [u8] = b"contract:";
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^
[INFO] [stdout]  22 |     const CONTRACT_INFO_PREFIX: &'static [u8] = b"contract_info:";
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  23 |
[INFO] [stdout]  24 |     fn code_key(code_id: impl AsRef<[u8]>) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  28 |     fn contract_info_key(contract_address: impl AsRef<[u8]>) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  32 |     fn contract_key(contract_address: impl AsRef<[u8]>, key: impl AsRef<[u8]>) -> Vec<u8> {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  42 |     pub fn new(db_path: impl AsRef<Path>) -> Result<Self, Error> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  47 |     fn get_raw(&self, key: &[u8]) -> Result<Option<IVec>, Error> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  51 |     fn set_raw(&self, key: &[u8], value: &[u8]) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  56 |     fn delete_raw(&self, key: &[u8]) -> Result<(), Error> {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  61 |     pub fn store_bytecode(&self, code_id: impl AsRef<[u8]>, value: &[u8]) -> Result<(), Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  65 |     pub fn get_bytecode(&self, code_id: impl AsRef<[u8]>) -> Result<Option<Vec<u8>>, Error> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  70 |     pub fn set_contract_state(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     pub fn get_contract_state(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  88 |     pub fn delete_contract_state(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  96 |     pub fn get_contract_state_len(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 105 |     pub fn store_contract_info(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 123 |     pub fn get_contract_info(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `hash_bytes` is never used
[INFO] [stdout]  --> engine/src/utils.rs:4:4
[INFO] [stdout]   |
[INFO] [stdout] 4 | fn hash_bytes(bytes: &[u8]) -> String {
[INFO] [stdout]   |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `code_to_hash` is never used
[INFO] [stdout]   --> engine/src/utils.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn code_to_hash(code: &[u8]) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `address_to_hash` is never used
[INFO] [stdout]   --> engine/src/utils.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn address_to_hash(address: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `derive_contract_address` is never used
[INFO] [stdout]   --> engine/src/utils.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn derive_contract_address(code_hash: &str, sender_hash: &str) -> String {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Env` is never constructed
[INFO] [stdout]  --> engine/src/wasm/env.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Env {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `debug_log` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:10:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn debug_log(mut env: FunctionEnvMut<Env>, ptr: u32, len: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `storage_set` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn storage_set(
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `storage_remove` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub fn storage_remove(mut env: FunctionEnvMut<Env>, key_ptr: u32, key_len: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `storage_read_len` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:52:8
[INFO] [stdout]    |
[INFO] [stdout] 52 | pub fn storage_read_len(mut env: FunctionEnvMut<Env>, key_ptr: u32, key_len: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `storage_read` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:63:8
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub fn storage_read(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_caller` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:96:8
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn get_caller(mut env: FunctionEnvMut<Env>, ptr: u32, len: u32) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_memory` is never used
[INFO] [stdout]  --> engine/src/wasm/imports/utils.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn read_memory(
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_memory` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/utils.rs:21:8
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub fn write_memory(
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_contract_env` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/utils.rs:36:8
[INFO] [stdout]    |
[INFO] [stdout] 36 | pub fn get_contract_env<'a>(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_import_result` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/utils.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 47 | pub fn handle_import_result<T>(result: Result<T, Error>, success_value: T) -> u32
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `handle_import_result_with_len` is never used
[INFO] [stdout]   --> engine/src/wasm/imports/utils.rs:61:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub fn handle_import_result_with_len(result: Result<Option<usize>, Error>) -> u32 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_wasm` is never used
[INFO] [stdout]   --> engine/src/wasm/execution.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn run_wasm(
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `write_json_to_wasm` is never used
[INFO] [stdout]  --> engine/src/wasm/utils.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn write_json_to_wasm(
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `read_json_from_wasm` is never used
[INFO] [stdout]   --> engine/src/wasm/utils.rs:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 | pub fn read_json_from_wasm(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ReadNullTerminated` is never used
[INFO] [stdout]   --> engine/src/wasm/utils.rs:62:7
[INFO] [stdout]    |
[INFO] [stdout] 62 | trait ReadNullTerminated {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cost_function` is never used
[INFO] [stdout]  --> engine/src/metering.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub fn cost_function(operator: &Operator) -> u64 {
[INFO] [stdout]   |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Instantiate` is never constructed
[INFO] [stdout]   --> engine/src/tests.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub struct Instantiate {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstantiateResponse` is never constructed
[INFO] [stdout]   --> engine/src/tests.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub struct InstantiateResponse {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Execute` is never used
[INFO] [stdout]   --> engine/src/tests.rs:27:14
[INFO] [stdout]    |
[INFO] [stdout] 27 |     pub enum Execute {
[INFO] [stdout]    |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExecuteResponse` is never used
[INFO] [stdout]   --> engine/src/tests.rs:45:14
[INFO] [stdout]    |
[INFO] [stdout] 45 |     pub enum ExecuteResponse {
[INFO] [stdout]    |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Query` is never used
[INFO] [stdout]   --> engine/src/tests.rs:68:14
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub enum Query {
[INFO] [stdout]    |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QueryResponse` is never used
[INFO] [stdout]   --> engine/src/tests.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub enum QueryResponse {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `BalanceResponse` is never constructed
[INFO] [stdout]   --> engine/src/tests.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |     pub struct BalanceResponse {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AllowanceResponse` is never constructed
[INFO] [stdout]   --> engine/src/tests.rs:89:16
[INFO] [stdout]    |
[INFO] [stdout] 89 |     pub struct AllowanceResponse {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenInfoResponse` is never constructed
[INFO] [stdout]   --> engine/src/tests.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub struct TokenInfoResponse {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorResponse` is never used
[INFO] [stdout]    --> engine/src/tests.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub enum ErrorResponse {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Instantiate` is never constructed
[INFO] [stdout]    --> engine/src/tests.rs:120:16
[INFO] [stdout]     |
[INFO] [stdout] 120 |     pub struct Instantiate {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstantiateResponse` is never constructed
[INFO] [stdout]    --> engine/src/tests.rs:125:16
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub struct InstantiateResponse {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Execute` is never used
[INFO] [stdout]    --> engine/src/tests.rs:132:14
[INFO] [stdout]     |
[INFO] [stdout] 132 |     pub enum Execute {
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ExecuteResponse` is never used
[INFO] [stdout]    --> engine/src/tests.rs:140:14
[INFO] [stdout]     |
[INFO] [stdout] 140 |     pub enum ExecuteResponse {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Query` is never used
[INFO] [stdout]    --> engine/src/tests.rs:148:14
[INFO] [stdout]     |
[INFO] [stdout] 148 |     pub enum Query {
[INFO] [stdout]     |              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `QueryResponse` is never constructed
[INFO] [stdout]    --> engine/src/tests.rs:153:16
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub struct QueryResponse {
[INFO] [stdout]     |                ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:10:18
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub fn debug_log(mut env: FunctionEnvMut<Env>, ptr: u32, len: u32) -> u32 {
[INFO] [stdout]    |                  ----^^^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> engine/src/wasm/imports/mod.rs:96:19
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub fn get_caller(mut env: FunctionEnvMut<Env>, ptr: u32, len: u32) -> u32 {
[INFO] [stdout]    |                   ----^^^
[INFO] [stdout]    |                   |
[INFO] [stdout]    |                   help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> engine/src/wasm/execution.rs:41:9
[INFO] [stdout]    |
[INFO] [stdout] 41 |     let mut env = Env {
[INFO] [stdout]    |         ----^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `is_query`
[INFO] [stdout]   --> engine/src/wasm/execution.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     is_query: bool, // Flag to potentially restrict imports later
[INFO] [stdout]    |     ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_is_query`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `InvalidInput` and `InvalidCodeId` are never constructed
[INFO] [stdout]   --> engine/src/errors.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Error {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 38 |     InvalidInput(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |     InvalidCodeId,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstantiateResponse` is never constructed
[INFO] [stdout]   --> engine/src/tests.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     pub struct InstantiateResponse {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `QueryResponse` is never used
[INFO] [stdout]   --> engine/src/tests.rs:76:14
[INFO] [stdout]    |
[INFO] [stdout] 76 |     pub enum QueryResponse {
[INFO] [stdout]    |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `TokenInfoResponse` is never constructed
[INFO] [stdout]   --> engine/src/tests.rs:94:16
[INFO] [stdout]    |
[INFO] [stdout] 94 |     pub struct TokenInfoResponse {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ErrorResponse` is never used
[INFO] [stdout]    --> engine/src/tests.rs:103:14
[INFO] [stdout]     |
[INFO] [stdout] 103 |     pub enum ErrorResponse {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `InstantiateResponse` is never constructed
[INFO] [stdout]    --> engine/src/tests.rs:125:16
[INFO] [stdout]     |
[INFO] [stdout] 125 |     pub struct InstantiateResponse {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_response` is never used
[INFO] [stdout]    --> engine/src/tests.rs:181:8
[INFO] [stdout]     |
[INFO] [stdout] 181 |     fn parse_response(response: Value) -> Value {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: proc-macro-error2 v2.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 4`
[INFO] running `Command { std: "docker" "inspect" "c2c9385c3eca12e71871577fc0d523d1b25021521947f9f6c15e3172afb95398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2c9385c3eca12e71871577fc0d523d1b25021521947f9f6c15e3172afb95398", kill_on_drop: false }`
[INFO] [stdout] c2c9385c3eca12e71871577fc0d523d1b25021521947f9f6c15e3172afb95398
