Dec 07 17:28:28.563 INFO testing etclient-0.3.0 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 17:28:28.563 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 17:28:28.791 INFO [stdout] 975a00fbc5288c7904535a9f976551eddc56cc95388fa374dafd2dd32cc51024
Dec 07 17:28:28.800 INFO running `"docker" "start" "-a" "975a00fbc5288c7904535a9f976551eddc56cc95388fa374dafd2dd32cc51024"`
Dec 07 17:28:29.408 INFO [stderr] usermod: no changes
Dec 07 17:28:29.628 INFO [stderr]    Compiling ethereum-hexutil v0.2.3
Dec 07 17:28:29.636 INFO [stderr]    Compiling tokio-timer-plus v0.1.3
Dec 07 17:28:29.640 INFO [stderr]    Compiling crypto-mac v0.4.0
Dec 07 17:28:29.644 INFO [stderr]    Compiling sha3 v0.6.0
Dec 07 17:28:29.644 INFO [stderr]    Compiling ripemd160 v0.6.0
Dec 07 17:28:30.280 INFO [stderr]    Compiling hmac v0.4.2
Dec 07 17:28:31.437 INFO [stderr]    Compiling hmac-drbg v0.1.2
Dec 07 17:28:32.640 INFO [stderr]    Compiling ethereum-rlp v0.2.3
Dec 07 17:28:33.105 INFO [stderr]    Compiling libsecp256k1 v0.1.15
Dec 07 17:28:34.468 INFO [stderr]    Compiling ethereum-bigint v0.2.9
Dec 07 17:28:38.100 INFO [stderr]    Compiling ethereum-bloom v0.2.1
Dec 07 17:28:38.100 INFO [stderr]    Compiling ethereum-block-core v0.1.0
Dec 07 17:28:38.100 INFO [stderr]    Compiling ethereum-trie v0.3.8
Dec 07 17:28:38.100 INFO [stderr]    Compiling ethash v0.3.1
Dec 07 17:28:49.925 INFO [stderr]    Compiling ethereum-block v0.3.5
Dec 07 17:28:49.925 INFO [stderr]    Compiling dpt v0.3.1
Dec 07 17:28:49.927 INFO [stderr]    Compiling rlpx v0.4.1
Dec 07 17:28:53.825 INFO [stderr]    Compiling evm v0.9.4
Dec 07 17:29:02.005 INFO [stderr]    Compiling evm-stateful v0.9.2
Dec 07 17:29:06.484 INFO [stderr]    Compiling devp2p v0.4.1
Dec 07 17:29:14.446 INFO [stderr]    Compiling etclient v0.3.0 (/source)
Dec 07 17:29:22.005 INFO [stderr] warning: unused `#[macro_use]` import
Dec 07 17:29:22.005 INFO [stderr]   --> src/main.rs:19:1
Dec 07 17:29:22.005 INFO [stderr]    |
Dec 07 17:29:22.005 INFO [stderr] 19 | #[macro_use]
Dec 07 17:29:22.005 INFO [stderr]    | ^^^^^^^^^^^^
Dec 07 17:29:22.005 INFO [stderr]    |
Dec 07 17:29:22.005 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 07 17:29:22.005 INFO [stderr] 
Dec 07 17:29:22.005 INFO [stderr] warning: unused import: `MemoryStateful`
Dec 07 17:29:22.005 INFO [stderr]  --> src/validator/genesis.rs:2:30
Dec 07 17:29:22.005 INFO [stderr]   |
Dec 07 17:29:22.005 INFO [stderr] 2 | use evm_stateful::{Stateful, MemoryStateful};
Dec 07 17:29:22.006 INFO [stderr]   |                              ^^^^^^^^^^^^^^
Dec 07 17:29:22.006 INFO [stderr] 
Dec 07 17:29:22.006 INFO [stderr] warning: unused imports: `Block`, `TotalHeader`, `Transaction`
Dec 07 17:29:22.006 INFO [stderr]  --> src/validator/genesis.rs:4:21
Dec 07 17:29:22.006 INFO [stderr]   |
Dec 07 17:29:22.006 INFO [stderr] 4 | use block::{Header, Block, TotalHeader, Transaction, TransactionAction};
Dec 07 17:29:22.006 INFO [stderr]   |                     ^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
Dec 07 17:29:22.006 INFO [stderr] 
Dec 07 17:29:22.006 INFO [stderr] warning: unused import: `DatabaseGuard`
Dec 07 17:29:22.006 INFO [stderr]  --> src/validator/genesis.rs:5:12
Dec 07 17:29:22.007 INFO [stderr]   |
Dec 07 17:29:22.007 INFO [stderr] 5 | use trie::{DatabaseGuard, DatabaseOwned, MemoryTrie};
Dec 07 17:29:22.007 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 07 17:29:22.007 INFO [stderr] 
Dec 07 17:29:22.007 INFO [stderr] warning: unused import: `ethash`
Dec 07 17:29:22.007 INFO [stderr]   --> src/validator/genesis.rs:10:5
Dec 07 17:29:22.008 INFO [stderr]    |
Dec 07 17:29:22.008 INFO [stderr] 10 | use ethash;
Dec 07 17:29:22.008 INFO [stderr]    |     ^^^^^^
Dec 07 17:29:22.008 INFO [stderr] 
Dec 07 17:29:22.008 INFO [stderr] warning: unused import: `FixedMemoryTrie`
Dec 07 17:29:22.009 INFO [stderr]  --> src/validator/mod.rs:3:28
Dec 07 17:29:22.009 INFO [stderr]   |
Dec 07 17:29:22.009 INFO [stderr] 3 | use trie::{MemoryDatabase, FixedMemoryTrie};
Dec 07 17:29:22.009 INFO [stderr]   |                            ^^^^^^^^^^^^^^^
Dec 07 17:29:22.009 INFO [stderr] 
Dec 07 17:29:22.009 INFO [stderr] warning: unused import: `H64`
Dec 07 17:29:22.010 INFO [stderr]  --> src/validator/mod.rs:4:26
Dec 07 17:29:22.010 INFO [stderr]   |
Dec 07 17:29:22.010 INFO [stderr] 4 | use bigint::{U256, H256, H64, Gas};
Dec 07 17:29:22.010 INFO [stderr]   |                          ^^^
Dec 07 17:29:22.010 INFO [stderr] 
Dec 07 17:29:22.010 INFO [stderr] warning: unused imports: `Transaction`, `ommers_hash`, `transactions_root`
Dec 07 17:29:22.011 INFO [stderr]  --> src/validator/mod.rs:5:43
Dec 07 17:29:22.011 INFO [stderr]   |
Dec 07 17:29:22.011 INFO [stderr] 5 | use block::{Header, Receipt, TotalHeader, Transaction, Block, Log, TransactionAction, ommers_hash, transactions_root, receipts_root};
Dec 07 17:29:22.011 INFO [stderr]   |                                           ^^^^^^^^^^^                                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
Dec 07 17:29:22.011 INFO [stderr] 
Dec 07 17:29:22.011 INFO [stderr] warning: unused import: `Keccak256`
Dec 07 17:29:22.012 INFO [stderr]  --> src/validator/mod.rs:7:20
Dec 07 17:29:22.012 INFO [stderr]   |
Dec 07 17:29:22.012 INFO [stderr] 7 | use sha3::{Digest, Keccak256};
Dec 07 17:29:22.012 INFO [stderr]   |                    ^^^^^^^^^
Dec 07 17:29:22.012 INFO [stderr] 
Dec 07 17:29:22.012 INFO [stderr] warning: unused import: `rlp`
Dec 07 17:29:22.013 INFO [stderr]  --> src/validator/mod.rs:8:5
Dec 07 17:29:22.013 INFO [stderr]   |
Dec 07 17:29:22.013 INFO [stderr] 8 | use rlp;
Dec 07 17:29:22.013 INFO [stderr]   |     ^^^
Dec 07 17:29:22.013 INFO [stderr] 
Dec 07 17:29:22.014 INFO [stderr] warning: unused import: `PublicKey`
Dec 07 17:29:22.014 INFO [stderr]   --> src/main.rs:32:17
Dec 07 17:29:22.014 INFO [stderr]    |
Dec 07 17:29:22.014 INFO [stderr] 32 | use secp256k1::{PublicKey, SecretKey};
Dec 07 17:29:22.014 INFO [stderr]    |                 ^^^^^^^^^
Dec 07 17:29:22.014 INFO [stderr] 
Dec 07 17:29:22.015 INFO [stderr] warning: unused import: `H512`
Dec 07 17:29:22.015 INFO [stderr]   --> src/main.rs:42:26
Dec 07 17:29:22.015 INFO [stderr]    |
Dec 07 17:29:22.015 INFO [stderr] 42 | use bigint::{H256, U256, H512};
Dec 07 17:29:22.015 INFO [stderr]    |                          ^^^^
Dec 07 17:29:22.015 INFO [stderr] 
Dec 07 17:29:22.015 INFO [stderr] warning: unused import: `Keccak256`
Dec 07 17:29:22.015 INFO [stderr]   --> src/main.rs:44:20
Dec 07 17:29:22.015 INFO [stderr]    |
Dec 07 17:29:22.016 INFO [stderr] 44 | use sha3::{Digest, Keccak256};
Dec 07 17:29:22.016 INFO [stderr]    |                    ^^^^^^^^^
Dec 07 17:29:22.016 INFO [stderr] 
Dec 07 17:29:22.016 INFO [stderr] warning: unused import: `receipts_root`
Dec 07 17:29:22.016 INFO [stderr]   --> src/main.rs:45:73
Dec 07 17:29:22.016 INFO [stderr]    |
Dec 07 17:29:22.016 INFO [stderr] 45 | use block::{Header, Block, Transaction, transactions_root, ommers_hash, receipts_root};
Dec 07 17:29:22.016 INFO [stderr]    |                                                                         ^^^^^^^^^^^^^
Dec 07 17:29:22.016 INFO [stderr] 
Dec 07 17:29:22.190 INFO [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Dec 07 17:29:22.190 INFO [stderr]    --> src/main.rs:151:59
Dec 07 17:29:22.190 INFO [stderr]     |
Dec 07 17:29:22.190 INFO [stderr] 151 |     let mut timeout = Timeout::new(dur, &handle).unwrap().boxed();
Dec 07 17:29:22.190 INFO [stderr]     |                                                           ^^^^^
Dec 07 17:29:22.190 INFO [stderr]     |
Dec 07 17:29:22.191 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 07 17:29:22.191 INFO [stderr] 
Dec 07 17:29:22.198 INFO [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Dec 07 17:29:22.198 INFO [stderr]    --> src/main.rs:166:29
Dec 07 17:29:22.198 INFO [stderr]     |
Dec 07 17:29:22.198 INFO [stderr] 166 |                 timeout = t.boxed();
Dec 07 17:29:22.198 INFO [stderr]     |                             ^^^^^
Dec 07 17:29:22.198 INFO [stderr] 
Dec 07 17:29:22.201 INFO [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Dec 07 17:29:22.201 INFO [stderr]    --> src/main.rs:198:63
Dec 07 17:29:22.201 INFO [stderr]     |
Dec 07 17:29:22.201 INFO [stderr] 198 |                 timeout = Timeout::new(dur, &handle).unwrap().boxed();
Dec 07 17:29:22.201 INFO [stderr]     |                                                               ^^^^^
Dec 07 17:29:22.202 INFO [stderr] 
Dec 07 17:29:22.210 INFO [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Dec 07 17:29:22.210 INFO [stderr]    --> src/main.rs:297:71
Dec 07 17:29:22.210 INFO [stderr]     |
Dec 07 17:29:22.210 INFO [stderr] 297 |                         timeout = Timeout::new(dur, &handle).unwrap().boxed();
Dec 07 17:29:22.210 INFO [stderr]     |                                                                       ^^^^^
Dec 07 17:29:22.210 INFO [stderr] 
Dec 07 17:29:22.300 INFO [stderr] warning: unused import: `Digest`
Dec 07 17:29:22.300 INFO [stderr]  --> src/validator/mod.rs:7:12
Dec 07 17:29:22.300 INFO [stderr]   |
Dec 07 17:29:22.300 INFO [stderr] 7 | use sha3::{Digest, Keccak256};
Dec 07 17:29:22.300 INFO [stderr]   |            ^^^^^^
Dec 07 17:29:22.300 INFO [stderr] 
Dec 07 17:29:22.300 INFO [stderr] warning: unused import: `Digest`
Dec 07 17:29:22.300 INFO [stderr]   --> src/main.rs:44:12
Dec 07 17:29:22.300 INFO [stderr]    |
Dec 07 17:29:22.300 INFO [stderr] 44 | use sha3::{Digest, Keccak256};
Dec 07 17:29:22.300 INFO [stderr]    |            ^^^^^^
Dec 07 17:29:22.300 INFO [stderr] 
Dec 07 17:29:22.316 INFO [stderr] warning: unused variable: `difficulty_bound_divisor`
Dec 07 17:29:22.316 INFO [stderr]   --> src/validator/mod.rs:32:9
Dec 07 17:29:22.316 INFO [stderr]    |
Dec 07 17:29:22.316 INFO [stderr] 32 |     let difficulty_bound_divisor = U256::from(0x0800);
Dec 07 17:29:22.316 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_difficulty_bound_divisor` instead
Dec 07 17:29:22.316 INFO [stderr]    |
Dec 07 17:29:22.316 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 17:29:22.316 INFO [stderr] 
Dec 07 17:29:22.316 INFO [stderr] warning: unused variable: `duration_limit`
Dec 07 17:29:22.316 INFO [stderr]   --> src/validator/mod.rs:34:9
Dec 07 17:29:22.317 INFO [stderr]    |
Dec 07 17:29:22.317 INFO [stderr] 34 |     let duration_limit = 0x0d;
Dec 07 17:29:22.317 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_duration_limit` instead
Dec 07 17:29:22.317 INFO [stderr] 
Dec 07 17:29:22.317 INFO [stderr] warning: unused variable: `frontier_limit`
Dec 07 17:29:22.317 INFO [stderr]   --> src/validator/mod.rs:35:9
Dec 07 17:29:22.317 INFO [stderr]    |
Dec 07 17:29:22.317 INFO [stderr] 35 |     let frontier_limit = U256::from(1150000);
Dec 07 17:29:22.317 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_frontier_limit` instead
Dec 07 17:29:22.317 INFO [stderr] 
Dec 07 17:29:22.317 INFO [stderr] warning: unused variable: `i`
Dec 07 17:29:22.317 INFO [stderr]   --> src/main.rs:88:9
Dec 07 17:29:22.317 INFO [stderr]    |
Dec 07 17:29:22.317 INFO [stderr] 88 |     for i in validated_number..headers.len() {
Dec 07 17:29:22.317 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 07 17:29:22.317 INFO [stderr] 
Dec 07 17:29:22.317 INFO [stderr] warning: unused variable: `when`
Dec 07 17:29:22.317 INFO [stderr]    --> src/main.rs:147:13
Dec 07 17:29:22.317 INFO [stderr]     |
Dec 07 17:29:22.317 INFO [stderr] 147 |     let mut when = Instant::now() + dur;
Dec 07 17:29:22.317 INFO [stderr]     |             ^^^^ help: consider using `_when` instead
Dec 07 17:29:22.317 INFO [stderr] 
Dec 07 17:29:22.317 INFO [stderr] warning: unused variable: `version`
Dec 07 17:29:22.317 INFO [stderr]    --> src/main.rs:211:29
Dec 07 17:29:22.317 INFO [stderr]     |
Dec 07 17:29:22.317 INFO [stderr] 211 |                 node, data, version
Dec 07 17:29:22.317 INFO [stderr]     |                             ^^^^^^^ help: try ignoring the field: `version: _`
Dec 07 17:29:22.317 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `max_headers`
Dec 07 17:29:22.318 INFO [stderr]    --> src/main.rs:221:33
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 221 |                         number, max_headers, skip, reverse
Dec 07 17:29:22.318 INFO [stderr]     |                                 ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `skip`
Dec 07 17:29:22.318 INFO [stderr]    --> src/main.rs:221:46
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 221 |                         number, max_headers, skip, reverse
Dec 07 17:29:22.318 INFO [stderr]     |                                              ^^^^ help: try ignoring the field: `skip: _`
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `reverse`
Dec 07 17:29:22.318 INFO [stderr]    --> src/main.rs:221:52
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 221 |                         number, max_headers, skip, reverse
Dec 07 17:29:22.318 INFO [stderr]     |                                                    ^^^^^^^ help: try ignoring the field: `reverse: _`
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `max_headers`
Dec 07 17:29:22.318 INFO [stderr]    --> src/main.rs:241:31
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 241 |                         hash, max_headers, skip, reverse
Dec 07 17:29:22.318 INFO [stderr]     |                               ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `skip`
Dec 07 17:29:22.318 INFO [stderr]    --> src/main.rs:241:44
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 241 |                         hash, max_headers, skip, reverse
Dec 07 17:29:22.318 INFO [stderr]     |                                            ^^^^ help: try ignoring the field: `skip: _`
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `reverse`
Dec 07 17:29:22.318 INFO [stderr]    --> src/main.rs:241:50
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 241 |                         hash, max_headers, skip, reverse
Dec 07 17:29:22.318 INFO [stderr]     |                                                  ^^^^^^^ help: try ignoring the field: `reverse: _`
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `result`
Dec 07 17:29:22.318 INFO [stderr]    --> src/validator/mod.rs:144:24
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 144 |         let (mix_hash, result) = self.dag.hashimoto(self.current_block.header.partial_hash(),
Dec 07 17:29:22.318 INFO [stderr]     |                        ^^^^^^ help: consider using `_result` instead
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `vm`
Dec 07 17:29:22.318 INFO [stderr]    --> src/validator/mod.rs:222:13
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 222 |         let vm: SeqTransactionVM<P::VM> = stateful.execute(
Dec 07 17:29:22.318 INFO [stderr]     |             ^^ help: consider using `_vm` instead
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `vm`
Dec 07 17:29:22.318 INFO [stderr]    --> src/validator/mod.rs:234:17
Dec 07 17:29:22.318 INFO [stderr]     |
Dec 07 17:29:22.318 INFO [stderr] 234 |             let vm: SeqTransactionVM<P::VM> = stateful.execute(
Dec 07 17:29:22.318 INFO [stderr]     |                 ^^ help: consider using `_vm` instead
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.318 INFO [stderr] warning: unused variable: `number`
Dec 07 17:29:22.318 INFO [stderr]   --> src/patch.rs:26:21
Dec 07 17:29:22.318 INFO [stderr]    |
Dec 07 17:29:22.318 INFO [stderr] 26 |     fn block_reward(number: U256, uncles: usize) -> U256 { P::base_reward() + P::base_reward().shr(5) * U256::from(uncles) }
Dec 07 17:29:22.318 INFO [stderr]    |                     ^^^^^^ help: consider using `_number` instead
Dec 07 17:29:22.318 INFO [stderr] 
Dec 07 17:29:22.319 INFO [stderr] warning: unused variable: `uncles`
Dec 07 17:29:22.319 INFO [stderr]   --> src/patch.rs:51:35
Dec 07 17:29:22.319 INFO [stderr]    |
Dec 07 17:29:22.319 INFO [stderr] 51 |     fn block_reward(number: U256, uncles: usize) -> U256 {
Dec 07 17:29:22.319 INFO [stderr]    |                                   ^^^^^^ help: consider using `_uncles` instead
Dec 07 17:29:22.319 INFO [stderr] 
Dec 07 17:29:22.319 INFO [stderr] warning: unused variable: `distance`
Dec 07 17:29:22.319 INFO [stderr]   --> src/patch.rs:59:21
Dec 07 17:29:22.319 INFO [stderr]    |
Dec 07 17:29:22.319 INFO [stderr] 59 |     fn uncle_reward(distance: U256) -> U256 {
Dec 07 17:29:22.319 INFO [stderr]    |                     ^^^^^^^^ help: consider using `_distance` instead
Dec 07 17:29:22.319 INFO [stderr] 
Dec 07 17:29:22.353 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:22.353 INFO [stderr]    --> src/main.rs:119:9
Dec 07 17:29:22.353 INFO [stderr]     |
Dec 07 17:29:22.353 INFO [stderr] 119 |     let mut client = ETHStream::new(
Dec 07 17:29:22.353 INFO [stderr]     |         ----^^^^^^
Dec 07 17:29:22.353 INFO [stderr]     |         |
Dec 07 17:29:22.354 INFO [stderr]     |         help: remove this `mut`
Dec 07 17:29:22.354 INFO [stderr]     |
Dec 07 17:29:22.354 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 17:29:22.354 INFO [stderr] 
Dec 07 17:29:22.354 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:22.354 INFO [stderr]    --> src/main.rs:143:9
Dec 07 17:29:22.354 INFO [stderr]     |
Dec 07 17:29:22.354 INFO [stderr] 143 |     let mut got_bodies_for_current = true;
Dec 07 17:29:22.354 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:29:22.354 INFO [stderr]     |         |
Dec 07 17:29:22.354 INFO [stderr]     |         help: remove this `mut`
Dec 07 17:29:22.354 INFO [stderr] 
Dec 07 17:29:22.354 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:22.354 INFO [stderr]    --> src/main.rs:147:9
Dec 07 17:29:22.354 INFO [stderr]     |
Dec 07 17:29:22.354 INFO [stderr] 147 |     let mut when = Instant::now() + dur;
Dec 07 17:29:22.354 INFO [stderr]     |         ----^^^^
Dec 07 17:29:22.354 INFO [stderr]     |         |
Dec 07 17:29:22.354 INFO [stderr]     |         help: remove this `mut`
Dec 07 17:29:22.354 INFO [stderr] 
Dec 07 17:29:22.354 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:22.354 INFO [stderr]    --> src/main.rs:149:29
Dec 07 17:29:22.354 INFO [stderr]     |
Dec 07 17:29:22.354 INFO [stderr] 149 |     let (mut client_sender, mut client_receiver) = client.split();
Dec 07 17:29:22.354 INFO [stderr]     |                             ----^^^^^^^^^^^^^^^
Dec 07 17:29:22.354 INFO [stderr]     |                             |
Dec 07 17:29:22.354 INFO [stderr]     |                             help: remove this `mut`
Dec 07 17:29:22.354 INFO [stderr] 
Dec 07 17:29:22.397 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:22.397 INFO [stderr]   --> src/validator/genesis.rs:20:9
Dec 07 17:29:22.397 INFO [stderr]    |
Dec 07 17:29:22.397 INFO [stderr] 20 |     let mut header = Header {
Dec 07 17:29:22.397 INFO [stderr]    |         ----^^^^^^
Dec 07 17:29:22.397 INFO [stderr]    |         |
Dec 07 17:29:22.397 INFO [stderr]    |         help: remove this `mut`
Dec 07 17:29:22.397 INFO [stderr] 
Dec 07 17:29:22.405 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:22.405 INFO [stderr]   --> src/validator/genesis.rs:50:9
Dec 07 17:29:22.405 INFO [stderr]    |
Dec 07 17:29:22.405 INFO [stderr] 50 |     let mut accounts: Vec<(&String, &JSONAccount)> = genesis_accounts.iter().collect();
Dec 07 17:29:22.405 INFO [stderr]    |         ----^^^^^^^^
Dec 07 17:29:22.405 INFO [stderr]    |         |
Dec 07 17:29:22.405 INFO [stderr]    |         help: remove this `mut`
Dec 07 17:29:22.405 INFO [stderr] 
Dec 07 17:29:22.456 INFO [stderr] warning: constant item is never used: `NETWORK_ID`
Dec 07 17:29:22.456 INFO [stderr]   --> src/main.rs:51:1
Dec 07 17:29:22.456 INFO [stderr]    |
Dec 07 17:29:22.456 INFO [stderr] 51 | const NETWORK_ID: usize = 1;
Dec 07 17:29:22.456 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:29:22.456 INFO [stderr]    |
Dec 07 17:29:22.456 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 17:29:22.456 INFO [stderr] 
Dec 07 17:29:22.456 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 17:29:22.456 INFO [stderr]    --> src/main.rs:111:5
Dec 07 17:29:22.456 INFO [stderr]     |
Dec 07 17:29:22.456 INFO [stderr] 111 |     env_logger::init();
Dec 07 17:29:22.456 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 07 17:29:22.456 INFO [stderr]     |
Dec 07 17:29:22.456 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 07 17:29:22.456 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 17:29:22.456 INFO [stderr] 
Dec 07 17:29:31.892 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
Dec 07 17:29:31.920 INFO [stderr] su: No module specific data is present
Dec 07 17:29:32.638 INFO running `"docker" "inspect" "975a00fbc5288c7904535a9f976551eddc56cc95388fa374dafd2dd32cc51024"`
Dec 07 17:29:32.864 INFO running `"docker" "rm" "-f" "975a00fbc5288c7904535a9f976551eddc56cc95388fa374dafd2dd32cc51024"`
Dec 07 17:29:33.178 INFO [stdout] 975a00fbc5288c7904535a9f976551eddc56cc95388fa374dafd2dd32cc51024
Dec 07 17:29:33.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 17:29:33.652 INFO [stdout] f6420a77d5b96f66cec126ac8c73396e1498501d2e45da9e770583e022be772a
Dec 07 17:29:33.654 INFO running `"docker" "start" "-a" "f6420a77d5b96f66cec126ac8c73396e1498501d2e45da9e770583e022be772a"`
Dec 07 17:29:35.104 INFO [stderr] usermod: no changes
Dec 07 17:29:35.357 INFO [stderr]    Compiling etclient v0.3.0 (/source)
Dec 07 17:29:41.725 INFO [stderr] warning: unused `#[macro_use]` import
Dec 07 17:29:41.725 INFO [stderr]   --> src/main.rs:19:1
Dec 07 17:29:41.725 INFO [stderr]    |
Dec 07 17:29:41.725 INFO [stderr] 19 | #[macro_use]
Dec 07 17:29:41.725 INFO [stderr]    | ^^^^^^^^^^^^
Dec 07 17:29:41.725 INFO [stderr]    |
Dec 07 17:29:41.725 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.725 INFO [stderr] warning: unused imports: `Block`, `TotalHeader`, `Transaction`
Dec 07 17:29:41.725 INFO [stderr]  --> src/validator/genesis.rs:4:21
Dec 07 17:29:41.725 INFO [stderr]   |
Dec 07 17:29:41.725 INFO [stderr] 4 | use block::{Header, Block, TotalHeader, Transaction, TransactionAction};
Dec 07 17:29:41.725 INFO [stderr]   |                     ^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.725 INFO [stderr] warning: unused import: `DatabaseGuard`
Dec 07 17:29:41.725 INFO [stderr]  --> src/validator/genesis.rs:5:12
Dec 07 17:29:41.725 INFO [stderr]   |
Dec 07 17:29:41.725 INFO [stderr] 5 | use trie::{DatabaseGuard, DatabaseOwned, MemoryTrie};
Dec 07 17:29:41.725 INFO [stderr]   |            ^^^^^^^^^^^^^
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.725 INFO [stderr] warning: unused import: `ethash`
Dec 07 17:29:41.725 INFO [stderr]   --> src/validator/genesis.rs:10:5
Dec 07 17:29:41.725 INFO [stderr]    |
Dec 07 17:29:41.725 INFO [stderr] 10 | use ethash;
Dec 07 17:29:41.725 INFO [stderr]    |     ^^^^^^
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.725 INFO [stderr] warning: unused import: `ethash`
Dec 07 17:29:41.725 INFO [stderr]   --> src/validator/genesis.rs:81:9
Dec 07 17:29:41.725 INFO [stderr]    |
Dec 07 17:29:41.725 INFO [stderr] 81 |     use ethash;
Dec 07 17:29:41.725 INFO [stderr]    |         ^^^^^^
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.725 INFO [stderr] warning: unused import: `FixedMemoryTrie`
Dec 07 17:29:41.725 INFO [stderr]  --> src/validator/mod.rs:3:28
Dec 07 17:29:41.725 INFO [stderr]   |
Dec 07 17:29:41.725 INFO [stderr] 3 | use trie::{MemoryDatabase, FixedMemoryTrie};
Dec 07 17:29:41.725 INFO [stderr]   |                            ^^^^^^^^^^^^^^^
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.725 INFO [stderr] warning: unused import: `H64`
Dec 07 17:29:41.725 INFO [stderr]  --> src/validator/mod.rs:4:26
Dec 07 17:29:41.725 INFO [stderr]   |
Dec 07 17:29:41.725 INFO [stderr] 4 | use bigint::{U256, H256, H64, Gas};
Dec 07 17:29:41.725 INFO [stderr]   |                          ^^^
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.725 INFO [stderr] warning: unused imports: `Transaction`, `ommers_hash`, `transactions_root`
Dec 07 17:29:41.725 INFO [stderr]  --> src/validator/mod.rs:5:43
Dec 07 17:29:41.725 INFO [stderr]   |
Dec 07 17:29:41.725 INFO [stderr] 5 | use block::{Header, Receipt, TotalHeader, Transaction, Block, Log, TransactionAction, ommers_hash, transactions_root, receipts_root};
Dec 07 17:29:41.725 INFO [stderr]   |                                           ^^^^^^^^^^^                                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.725 INFO [stderr] warning: unused import: `Keccak256`
Dec 07 17:29:41.725 INFO [stderr]  --> src/validator/mod.rs:7:20
Dec 07 17:29:41.725 INFO [stderr]   |
Dec 07 17:29:41.725 INFO [stderr] 7 | use sha3::{Digest, Keccak256};
Dec 07 17:29:41.725 INFO [stderr]   |                    ^^^^^^^^^
Dec 07 17:29:41.725 INFO [stderr] 
Dec 07 17:29:41.726 INFO [stderr] warning: unused import: `rlp`
Dec 07 17:29:41.726 INFO [stderr]  --> src/validator/mod.rs:8:5
Dec 07 17:29:41.726 INFO [stderr]   |
Dec 07 17:29:41.726 INFO [stderr] 8 | use rlp;
Dec 07 17:29:41.726 INFO [stderr]   |     ^^^
Dec 07 17:29:41.726 INFO [stderr] 
Dec 07 17:29:41.726 INFO [stderr] warning: unused import: `PublicKey`
Dec 07 17:29:41.726 INFO [stderr]   --> src/main.rs:32:17
Dec 07 17:29:41.726 INFO [stderr]    |
Dec 07 17:29:41.726 INFO [stderr] 32 | use secp256k1::{PublicKey, SecretKey};
Dec 07 17:29:41.726 INFO [stderr]    |                 ^^^^^^^^^
Dec 07 17:29:41.726 INFO [stderr] 
Dec 07 17:29:41.726 INFO [stderr] warning: unused import: `H512`
Dec 07 17:29:41.726 INFO [stderr]   --> src/main.rs:42:26
Dec 07 17:29:41.726 INFO [stderr]    |
Dec 07 17:29:41.726 INFO [stderr] 42 | use bigint::{H256, U256, H512};
Dec 07 17:29:41.726 INFO [stderr]    |                          ^^^^
Dec 07 17:29:41.726 INFO [stderr] 
Dec 07 17:29:41.726 INFO [stderr] warning: unused import: `Keccak256`
Dec 07 17:29:41.726 INFO [stderr]   --> src/main.rs:44:20
Dec 07 17:29:41.726 INFO [stderr]    |
Dec 07 17:29:41.726 INFO [stderr] 44 | use sha3::{Digest, Keccak256};
Dec 07 17:29:41.726 INFO [stderr]    |                    ^^^^^^^^^
Dec 07 17:29:41.726 INFO [stderr] 
Dec 07 17:29:41.726 INFO [stderr] warning: unused import: `receipts_root`
Dec 07 17:29:41.726 INFO [stderr]   --> src/main.rs:45:73
Dec 07 17:29:41.726 INFO [stderr]    |
Dec 07 17:29:41.726 INFO [stderr] 45 | use block::{Header, Block, Transaction, transactions_root, ommers_hash, receipts_root};
Dec 07 17:29:41.726 INFO [stderr]    |                                                                         ^^^^^^^^^^^^^
Dec 07 17:29:41.726 INFO [stderr] 
Dec 07 17:29:41.864 INFO [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Dec 07 17:29:41.864 INFO [stderr]    --> src/main.rs:151:59
Dec 07 17:29:41.864 INFO [stderr]     |
Dec 07 17:29:41.864 INFO [stderr] 151 |     let mut timeout = Timeout::new(dur, &handle).unwrap().boxed();
Dec 07 17:29:41.864 INFO [stderr]     |                                                           ^^^^^
Dec 07 17:29:41.864 INFO [stderr]     |
Dec 07 17:29:41.864 INFO [stderr]     = note: #[warn(deprecated)] on by default
Dec 07 17:29:41.864 INFO [stderr] 
Dec 07 17:29:41.867 INFO [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Dec 07 17:29:41.867 INFO [stderr]    --> src/main.rs:166:29
Dec 07 17:29:41.867 INFO [stderr]     |
Dec 07 17:29:41.867 INFO [stderr] 166 |                 timeout = t.boxed();
Dec 07 17:29:41.867 INFO [stderr]     |                             ^^^^^
Dec 07 17:29:41.867 INFO [stderr] 
Dec 07 17:29:41.872 INFO [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Dec 07 17:29:41.872 INFO [stderr]    --> src/main.rs:198:63
Dec 07 17:29:41.872 INFO [stderr]     |
Dec 07 17:29:41.872 INFO [stderr] 198 |                 timeout = Timeout::new(dur, &handle).unwrap().boxed();
Dec 07 17:29:41.872 INFO [stderr]     |                                                               ^^^^^
Dec 07 17:29:41.872 INFO [stderr] 
Dec 07 17:29:41.880 INFO [stderr] warning: use of deprecated item 'futures::Future::boxed': removed without replacement, recommended to use a local extension trait or function if needed, more details in https://github.com/rust-lang-nursery/futures-rs/issues/228
Dec 07 17:29:41.880 INFO [stderr]    --> src/main.rs:297:71
Dec 07 17:29:41.880 INFO [stderr]     |
Dec 07 17:29:41.880 INFO [stderr] 297 |                         timeout = Timeout::new(dur, &handle).unwrap().boxed();
Dec 07 17:29:41.880 INFO [stderr]     |                                                                       ^^^^^
Dec 07 17:29:41.880 INFO [stderr] 
Dec 07 17:29:41.976 INFO [stderr] warning: unused import: `Digest`
Dec 07 17:29:41.976 INFO [stderr]  --> src/validator/mod.rs:7:12
Dec 07 17:29:41.976 INFO [stderr]   |
Dec 07 17:29:41.976 INFO [stderr] 7 | use sha3::{Digest, Keccak256};
Dec 07 17:29:41.976 INFO [stderr]   |            ^^^^^^
Dec 07 17:29:41.976 INFO [stderr] 
Dec 07 17:29:41.976 INFO [stderr] warning: unused import: `Digest`
Dec 07 17:29:41.976 INFO [stderr]   --> src/main.rs:44:12
Dec 07 17:29:41.976 INFO [stderr]    |
Dec 07 17:29:41.976 INFO [stderr] 44 | use sha3::{Digest, Keccak256};
Dec 07 17:29:41.976 INFO [stderr]    |            ^^^^^^
Dec 07 17:29:41.976 INFO [stderr] 
Dec 07 17:29:41.992 INFO [stderr] warning: unused variable: `difficulty_bound_divisor`
Dec 07 17:29:41.992 INFO [stderr]   --> src/validator/mod.rs:32:9
Dec 07 17:29:41.992 INFO [stderr]    |
Dec 07 17:29:41.992 INFO [stderr] 32 |     let difficulty_bound_divisor = U256::from(0x0800);
Dec 07 17:29:41.992 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_difficulty_bound_divisor` instead
Dec 07 17:29:41.992 INFO [stderr]    |
Dec 07 17:29:41.992 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 07 17:29:41.992 INFO [stderr] 
Dec 07 17:29:41.992 INFO [stderr] warning: unused variable: `duration_limit`
Dec 07 17:29:41.992 INFO [stderr]   --> src/validator/mod.rs:34:9
Dec 07 17:29:41.992 INFO [stderr]    |
Dec 07 17:29:41.992 INFO [stderr] 34 |     let duration_limit = 0x0d;
Dec 07 17:29:41.992 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_duration_limit` instead
Dec 07 17:29:41.992 INFO [stderr] 
Dec 07 17:29:41.992 INFO [stderr] warning: unused variable: `frontier_limit`
Dec 07 17:29:41.992 INFO [stderr]   --> src/validator/mod.rs:35:9
Dec 07 17:29:41.992 INFO [stderr]    |
Dec 07 17:29:41.992 INFO [stderr] 35 |     let frontier_limit = U256::from(1150000);
Dec 07 17:29:41.992 INFO [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_frontier_limit` instead
Dec 07 17:29:41.992 INFO [stderr] 
Dec 07 17:29:41.994 INFO [stderr] warning: unused variable: `i`
Dec 07 17:29:41.994 INFO [stderr]   --> src/main.rs:88:9
Dec 07 17:29:41.994 INFO [stderr]    |
Dec 07 17:29:41.994 INFO [stderr] 88 |     for i in validated_number..headers.len() {
Dec 07 17:29:41.994 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 07 17:29:41.994 INFO [stderr] 
Dec 07 17:29:41.994 INFO [stderr] warning: unused variable: `when`
Dec 07 17:29:41.994 INFO [stderr]    --> src/main.rs:147:13
Dec 07 17:29:41.994 INFO [stderr]     |
Dec 07 17:29:41.994 INFO [stderr] 147 |     let mut when = Instant::now() + dur;
Dec 07 17:29:41.994 INFO [stderr]     |             ^^^^ help: consider using `_when` instead
Dec 07 17:29:41.994 INFO [stderr] 
Dec 07 17:29:41.994 INFO [stderr] warning: unused variable: `version`
Dec 07 17:29:41.994 INFO [stderr]    --> src/main.rs:211:29
Dec 07 17:29:41.994 INFO [stderr]     |
Dec 07 17:29:41.994 INFO [stderr] 211 |                 node, data, version
Dec 07 17:29:41.994 INFO [stderr]     |                             ^^^^^^^ help: try ignoring the field: `version: _`
Dec 07 17:29:41.994 INFO [stderr] 
Dec 07 17:29:41.994 INFO [stderr] warning: unused variable: `max_headers`
Dec 07 17:29:41.994 INFO [stderr]    --> src/main.rs:221:33
Dec 07 17:29:41.994 INFO [stderr]     |
Dec 07 17:29:41.994 INFO [stderr] 221 |                         number, max_headers, skip, reverse
Dec 07 17:29:41.994 INFO [stderr]     |                                 ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
Dec 07 17:29:41.994 INFO [stderr] 
Dec 07 17:29:41.994 INFO [stderr] warning: unused variable: `skip`
Dec 07 17:29:41.994 INFO [stderr]    --> src/main.rs:221:46
Dec 07 17:29:41.994 INFO [stderr]     |
Dec 07 17:29:41.995 INFO [stderr] 221 |                         number, max_headers, skip, reverse
Dec 07 17:29:41.995 INFO [stderr]     |                                              ^^^^ help: try ignoring the field: `skip: _`
Dec 07 17:29:41.995 INFO [stderr] 
Dec 07 17:29:41.995 INFO [stderr] warning: unused variable: `reverse`
Dec 07 17:29:41.995 INFO [stderr]    --> src/main.rs:221:52
Dec 07 17:29:41.995 INFO [stderr]     |
Dec 07 17:29:41.995 INFO [stderr] 221 |                         number, max_headers, skip, reverse
Dec 07 17:29:41.995 INFO [stderr]     |                                                    ^^^^^^^ help: try ignoring the field: `reverse: _`
Dec 07 17:29:41.995 INFO [stderr] 
Dec 07 17:29:41.995 INFO [stderr] warning: unused variable: `max_headers`
Dec 07 17:29:41.995 INFO [stderr]    --> src/main.rs:241:31
Dec 07 17:29:41.995 INFO [stderr]     |
Dec 07 17:29:41.995 INFO [stderr] 241 |                         hash, max_headers, skip, reverse
Dec 07 17:29:41.995 INFO [stderr]     |                               ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
Dec 07 17:29:41.995 INFO [stderr] 
Dec 07 17:29:41.995 INFO [stderr] warning: unused variable: `skip`
Dec 07 17:29:41.995 INFO [stderr]    --> src/main.rs:241:44
Dec 07 17:29:41.995 INFO [stderr]     |
Dec 07 17:29:41.995 INFO [stderr] 241 |                         hash, max_headers, skip, reverse
Dec 07 17:29:41.995 INFO [stderr]     |                                            ^^^^ help: try ignoring the field: `skip: _`
Dec 07 17:29:41.995 INFO [stderr] 
Dec 07 17:29:41.995 INFO [stderr] warning: unused variable: `reverse`
Dec 07 17:29:41.995 INFO [stderr]    --> src/main.rs:241:50
Dec 07 17:29:41.995 INFO [stderr]     |
Dec 07 17:29:41.995 INFO [stderr] 241 |                         hash, max_headers, skip, reverse
Dec 07 17:29:41.995 INFO [stderr]     |                                                  ^^^^^^^ help: try ignoring the field: `reverse: _`
Dec 07 17:29:41.995 INFO [stderr] 
Dec 07 17:29:42.000 INFO [stderr] warning: unused variable: `result`
Dec 07 17:29:42.000 INFO [stderr]    --> src/validator/mod.rs:144:24
Dec 07 17:29:42.000 INFO [stderr]     |
Dec 07 17:29:42.000 INFO [stderr] 144 |         let (mix_hash, result) = self.dag.hashimoto(self.current_block.header.partial_hash(),
Dec 07 17:29:42.000 INFO [stderr]     |                        ^^^^^^ help: consider using `_result` instead
Dec 07 17:29:42.000 INFO [stderr] 
Dec 07 17:29:42.000 INFO [stderr] warning: unused variable: `vm`
Dec 07 17:29:42.000 INFO [stderr]    --> src/validator/mod.rs:222:13
Dec 07 17:29:42.000 INFO [stderr]     |
Dec 07 17:29:42.000 INFO [stderr] 222 |         let vm: SeqTransactionVM<P::VM> = stateful.execute(
Dec 07 17:29:42.000 INFO [stderr]     |             ^^ help: consider using `_vm` instead
Dec 07 17:29:42.000 INFO [stderr] 
Dec 07 17:29:42.000 INFO [stderr] warning: unused variable: `vm`
Dec 07 17:29:42.000 INFO [stderr]    --> src/validator/mod.rs:234:17
Dec 07 17:29:42.000 INFO [stderr]     |
Dec 07 17:29:42.000 INFO [stderr] 234 |             let vm: SeqTransactionVM<P::VM> = stateful.execute(
Dec 07 17:29:42.000 INFO [stderr]     |                 ^^ help: consider using `_vm` instead
Dec 07 17:29:42.000 INFO [stderr] 
Dec 07 17:29:42.000 INFO [stderr] warning: unused variable: `number`
Dec 07 17:29:42.000 INFO [stderr]   --> src/patch.rs:26:21
Dec 07 17:29:42.000 INFO [stderr]    |
Dec 07 17:29:42.000 INFO [stderr] 26 |     fn block_reward(number: U256, uncles: usize) -> U256 { P::base_reward() + P::base_reward().shr(5) * U256::from(uncles) }
Dec 07 17:29:42.000 INFO [stderr]    |                     ^^^^^^ help: consider using `_number` instead
Dec 07 17:29:42.001 INFO [stderr] 
Dec 07 17:29:42.001 INFO [stderr] warning: unused variable: `uncles`
Dec 07 17:29:42.001 INFO [stderr]   --> src/patch.rs:51:35
Dec 07 17:29:42.001 INFO [stderr]    |
Dec 07 17:29:42.001 INFO [stderr] 51 |     fn block_reward(number: U256, uncles: usize) -> U256 {
Dec 07 17:29:42.001 INFO [stderr]    |                                   ^^^^^^ help: consider using `_uncles` instead
Dec 07 17:29:42.001 INFO [stderr] 
Dec 07 17:29:42.001 INFO [stderr] warning: unused variable: `distance`
Dec 07 17:29:42.001 INFO [stderr]   --> src/patch.rs:59:21
Dec 07 17:29:42.001 INFO [stderr]    |
Dec 07 17:29:42.001 INFO [stderr] 59 |     fn uncle_reward(distance: U256) -> U256 {
Dec 07 17:29:42.001 INFO [stderr]    |                     ^^^^^^^^ help: consider using `_distance` instead
Dec 07 17:29:42.001 INFO [stderr] 
Dec 07 17:29:42.028 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:42.028 INFO [stderr]    --> src/main.rs:119:9
Dec 07 17:29:42.028 INFO [stderr]     |
Dec 07 17:29:42.028 INFO [stderr] 119 |     let mut client = ETHStream::new(
Dec 07 17:29:42.028 INFO [stderr]     |         ----^^^^^^
Dec 07 17:29:42.028 INFO [stderr]     |         |
Dec 07 17:29:42.028 INFO [stderr]     |         help: remove this `mut`
Dec 07 17:29:42.028 INFO [stderr]     |
Dec 07 17:29:42.028 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 17:29:42.028 INFO [stderr] 
Dec 07 17:29:42.028 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:42.028 INFO [stderr]    --> src/main.rs:143:9
Dec 07 17:29:42.028 INFO [stderr]     |
Dec 07 17:29:42.028 INFO [stderr] 143 |     let mut got_bodies_for_current = true;
Dec 07 17:29:42.028 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:29:42.028 INFO [stderr]     |         |
Dec 07 17:29:42.028 INFO [stderr]     |         help: remove this `mut`
Dec 07 17:29:42.029 INFO [stderr] 
Dec 07 17:29:42.029 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:42.029 INFO [stderr]    --> src/main.rs:147:9
Dec 07 17:29:42.029 INFO [stderr]     |
Dec 07 17:29:42.029 INFO [stderr] 147 |     let mut when = Instant::now() + dur;
Dec 07 17:29:42.029 INFO [stderr]     |         ----^^^^
Dec 07 17:29:42.029 INFO [stderr]     |         |
Dec 07 17:29:42.029 INFO [stderr]     |         help: remove this `mut`
Dec 07 17:29:42.029 INFO [stderr] 
Dec 07 17:29:42.029 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:42.029 INFO [stderr]    --> src/main.rs:149:29
Dec 07 17:29:42.029 INFO [stderr]     |
Dec 07 17:29:42.029 INFO [stderr] 149 |     let (mut client_sender, mut client_receiver) = client.split();
Dec 07 17:29:42.029 INFO [stderr]     |                             ----^^^^^^^^^^^^^^^
Dec 07 17:29:42.029 INFO [stderr]     |                             |
Dec 07 17:29:42.029 INFO [stderr]     |                             help: remove this `mut`
Dec 07 17:29:42.029 INFO [stderr] 
Dec 07 17:29:42.064 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:42.064 INFO [stderr]   --> src/validator/genesis.rs:20:9
Dec 07 17:29:42.064 INFO [stderr]    |
Dec 07 17:29:42.064 INFO [stderr] 20 |     let mut header = Header {
Dec 07 17:29:42.064 INFO [stderr]    |         ----^^^^^^
Dec 07 17:29:42.064 INFO [stderr]    |         |
Dec 07 17:29:42.064 INFO [stderr]    |         help: remove this `mut`
Dec 07 17:29:42.064 INFO [stderr] 
Dec 07 17:29:42.072 INFO [stderr] warning: variable does not need to be mutable
Dec 07 17:29:42.072 INFO [stderr]   --> src/validator/genesis.rs:50:9
Dec 07 17:29:42.072 INFO [stderr]    |
Dec 07 17:29:42.072 INFO [stderr] 50 |     let mut accounts: Vec<(&String, &JSONAccount)> = genesis_accounts.iter().collect();
Dec 07 17:29:42.072 INFO [stderr]    |         ----^^^^^^^^
Dec 07 17:29:42.072 INFO [stderr]    |         |
Dec 07 17:29:42.072 INFO [stderr]    |         help: remove this `mut`
Dec 07 17:29:42.072 INFO [stderr] 
Dec 07 17:29:42.112 INFO [stderr] warning: constant item is never used: `NETWORK_ID`
Dec 07 17:29:42.112 INFO [stderr]   --> src/main.rs:51:1
Dec 07 17:29:42.112 INFO [stderr]    |
Dec 07 17:29:42.112 INFO [stderr] 51 | const NETWORK_ID: usize = 1;
Dec 07 17:29:42.112 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 07 17:29:42.112 INFO [stderr]    |
Dec 07 17:29:42.112 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 07 17:29:42.112 INFO [stderr] 
Dec 07 17:29:42.120 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 07 17:29:42.120 INFO [stderr]    --> src/main.rs:111:5
Dec 07 17:29:42.120 INFO [stderr]     |
Dec 07 17:29:42.120 INFO [stderr] 111 |     env_logger::init();
Dec 07 17:29:42.120 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^
Dec 07 17:29:42.120 INFO [stderr]     |
Dec 07 17:29:42.120 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 07 17:29:42.120 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 07 17:29:42.120 INFO [stderr] 
Dec 07 17:29:46.276 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.14s
Dec 07 17:29:46.292 INFO [stderr] su: No module specific data is present
Dec 07 17:29:46.812 INFO running `"docker" "inspect" "f6420a77d5b96f66cec126ac8c73396e1498501d2e45da9e770583e022be772a"`
Dec 07 17:29:47.064 INFO running `"docker" "rm" "-f" "f6420a77d5b96f66cec126ac8c73396e1498501d2e45da9e770583e022be772a"`
Dec 07 17:29:47.247 INFO [stdout] f6420a77d5b96f66cec126ac8c73396e1498501d2e45da9e770583e022be772a
Dec 07 17:29:47.250 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-5/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 17:29:47.487 INFO [stdout] 7c73e1b243b945c69a0663965e873ac29e90a3310bfa7b81dbe6bb90b69cec18
Dec 07 17:29:47.490 INFO running `"docker" "start" "-a" "7c73e1b243b945c69a0663965e873ac29e90a3310bfa7b81dbe6bb90b69cec18"`
Dec 07 17:29:48.084 INFO [stderr] usermod: no changes
Dec 07 17:29:48.288 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.17s
Dec 07 17:29:48.304 INFO [stderr]      Running /target/debug/deps/etclient-5131b90dfcc5b1b8
Dec 07 17:29:48.308 INFO [stdout] 
Dec 07 17:29:48.308 INFO [stdout] running 2 tests
Dec 07 17:29:48.308 INFO [stdout] test validator::tests::test_calculate_difficulty ... ok
Dec 07 17:30:07.896 INFO [stdout] test validator::genesis::tests::mainnet_genesis_block ... ok
Dec 07 17:30:07.896 INFO [stdout] 
Dec 07 17:30:07.896 INFO [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 17:30:07.896 INFO [stdout] 
Dec 07 17:30:07.896 INFO [stderr] su: No module specific data is present
Dec 07 17:30:08.540 INFO running `"docker" "inspect" "7c73e1b243b945c69a0663965e873ac29e90a3310bfa7b81dbe6bb90b69cec18"`
Dec 07 17:30:08.774 INFO running `"docker" "rm" "-f" "7c73e1b243b945c69a0663965e873ac29e90a3310bfa7b81dbe6bb90b69cec18"`
Dec 07 17:30:09.056 INFO [stdout] 7c73e1b243b945c69a0663965e873ac29e90a3310bfa7b81dbe6bb90b69cec18