[INFO] updating cached repository sorpaas/etclient
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sorpaas/etclient
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sorpaas/etclient" "work/ex/clippy-test-run/sources/stable/gh/sorpaas/etclient"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/sorpaas/etclient'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sorpaas/etclient" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sorpaas/etclient"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sorpaas/etclient'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1f7129ef71e633dd42327770a2987235c2fabeab
[INFO] sha for GitHub repo sorpaas/etclient: 1f7129ef71e633dd42327770a2987235c2fabeab
[INFO] validating manifest of sorpaas/etclient on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of sorpaas/etclient on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing sorpaas/etclient
[INFO] finished frobbing sorpaas/etclient
[INFO] frobbed toml for sorpaas/etclient written to work/ex/clippy-test-run/sources/stable/gh/sorpaas/etclient/Cargo.toml
[INFO] started frobbing sorpaas/etclient
[INFO] finished frobbing sorpaas/etclient
[INFO] frobbed toml for sorpaas/etclient written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/sorpaas/etclient/Cargo.toml
[INFO] crate sorpaas/etclient has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting sorpaas/etclient against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-3/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/sorpaas/etclient:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] e992c9ce7d128334d13a469ed3fd1b4f9a527737bcce77877a887ef951454bbe
[INFO] running `"docker" "start" "-a" "e992c9ce7d128334d13a469ed3fd1b4f9a527737bcce77877a887ef951454bbe"`
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking elastic-array-plus v0.9.0
[INFO] [stderr]     Checking etcommon-hexutil v0.2.2
[INFO] [stderr]     Checking blockchain v0.2.0
[INFO] [stderr]     Checking iovec v0.1.0
[INFO] [stderr]     Checking time v0.1.38
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]    Compiling secp256k1-plus v0.5.7
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking tokio-timer-plus v0.1.3
[INFO] [stderr]     Checking serde_json v1.0.3
[INFO] [stderr]     Checking arrayvec v0.3.23
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking bytes v0.4.5
[INFO] [stderr]     Checking mio v0.6.10
[INFO] [stderr]     Checking etcommon-rlp v0.2.2
[INFO] [stderr]     Checking url v1.5.1
[INFO] [stderr]     Checking rust-crypto v0.2.36
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.15
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking etcommon-bigint v0.2.7
[INFO] [stderr]     Checking tokio-io v0.1.3
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking tokio-core v0.1.9
[INFO] [stderr]     Checking generic-array v0.8.3
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking block-buffer v0.2.0
[INFO] [stderr]     Checking digest v0.6.2
[INFO] [stderr]     Checking sha3 v0.6.0
[INFO] [stderr]     Checking ripemd160 v0.6.0
[INFO] [stderr]     Checking sha2 v0.6.0
[INFO] [stderr]     Checking etcommon-bloom v0.2.1
[INFO] [stderr]     Checking etcommon-trie v0.3.8
[INFO] [stderr]     Checking dpt v0.2.6
[INFO] [stderr]     Checking ethash v0.3.0
[INFO] [stderr]     Checking rlpx v0.3.0
[INFO] [stderr]     Checking etcommon-block v0.3.2
[INFO] [stderr]     Checking sputnikvm v0.7.6
[INFO] [stderr]     Checking devp2p v0.3.1
[INFO] [stderr]     Checking sputnikvm-stateful v0.7.5
[INFO] [stderr]     Checking etclient v0.2.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Block`, `TotalHeader`, `Transaction`
[INFO] [stderr]  --> src/validator/genesis.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use block::{Header, Block, TotalHeader, Transaction, TransactionAction};
[INFO] [stderr]   |                     ^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DatabaseGuard`
[INFO] [stderr]  --> src/validator/genesis.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use trie::{DatabaseGuard, DatabaseOwned, MemoryTrie};
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ethash`
[INFO] [stderr]   --> src/validator/genesis.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use ethash;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/validator/genesis.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     header
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/validator/genesis.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |       let mut header = Header {
[INFO] [stderr]    |  ______________________^
[INFO] [stderr] 20 | |         parent_hash: H256::default(),
[INFO] [stderr] 21 | |         ommers_hash: H256::from(Keccak256::digest(&rlp::encode_list(&ommers).to_vec()).as_slice()),
[INFO] [stderr] 22 | |         beneficiary: Address::default(),
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |         mix_hash: H256::default(),
[INFO] [stderr] 35 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/genesis.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |         difficulty: U256::from(0x400000000usize),
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^ help: consider: `0x0004_0000_0000usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/genesis.rs:57:34
[INFO] [stderr]    |
[INFO] [stderr] 57 |             gas_limit: Gas::from(1000000usize),
[INFO] [stderr]    |                                  ^^^^^^^^^^^^ help: consider: `1_000_000usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/genesis.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 |             difficulty: U256::from(0x400000000usize),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^ help: consider: `0x0004_0000_0000usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ethash`
[INFO] [stderr]   --> src/validator/genesis.rs:80:9
[INFO] [stderr]    |
[INFO] [stderr] 80 |     use ethash;
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FixedMemoryTrie`
[INFO] [stderr]  --> src/validator/mod.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use trie::{MemoryDatabase, FixedMemoryTrie};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H64`
[INFO] [stderr]  --> src/validator/mod.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use bigint::{U256, H256, H64, Gas};
[INFO] [stderr]   |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Transaction`, `ommers_hash`, `transactions_root`
[INFO] [stderr]  --> src/validator/mod.rs:5:43
[INFO] [stderr]   |
[INFO] [stderr] 5 | use block::{Header, Receipt, TotalHeader, Transaction, Block, Log, TransactionAction, ommers_hash, transactions_root, receipts_root};
[INFO] [stderr]   |                                           ^^^^^^^^^^^                                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Keccak256`
[INFO] [stderr]  --> src/validator/mod.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sha3::{Digest, Keccak256};
[INFO] [stderr]   |                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rlp`
[INFO] [stderr]  --> src/validator/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rlp;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:30:37
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let min_difficulty = U256::from(125000);
[INFO] [stderr]    |                                     ^^^^^^ help: consider: `125_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let frontier_limit = U256::from(1150000);
[INFO] [stderr]    |                                     ^^^^^^^ help: consider: `1_150_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:77:85
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut validator: Box<Validator> = if block.header.number < U256::from(1150000) {
[INFO] [stderr]    |                                                                                     ^^^^^^^ help: consider: `1_150_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:80:56
[INFO] [stderr]    |
[INFO] [stderr] 80 |             } else if block.header.number < U256::from(2500000) {
[INFO] [stderr]    |                                                        ^^^^^^^ help: consider: `2_500_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:83:56
[INFO] [stderr]    |
[INFO] [stderr] 83 |             } else if block.header.number < U256::from(3000000) {
[INFO] [stderr]    |                                                        ^^^^^^^ help: consider: `3_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:86:56
[INFO] [stderr]    |
[INFO] [stderr] 86 |             } else if block.header.number < U256::from(5000001) {
[INFO] [stderr]    |                                                        ^^^^^^^ help: consider: `5_000_001`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:225:38
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 gas_limit: Gas::from(1000000usize),
[INFO] [stderr]     |                                      ^^^^^^^^^^^^ help: consider: `1_000_000usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:237:42
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     gas_limit: Gas::from(1000000usize),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ help: consider: `1_000_000usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:260:33
[INFO] [stderr]     |
[INFO] [stderr] 260 |                    >(U256::from(17179869184usize), 0,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: consider: `17_179_869_184usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:261:37
[INFO] [stderr]     |
[INFO] [stderr] 261 |                      U256::from(1), 1438269988),
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: consider: `1_438_269_988`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:262:31
[INFO] [stderr]     |
[INFO] [stderr] 262 |                    U256::from(17171480576usize));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^ help: consider: `17_171_480_576usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:265:33
[INFO] [stderr]     |
[INFO] [stderr] 265 |                    >(U256::from(17171480576usize), 1438269988,
[INFO] [stderr]     |                                 ^^^^^^^^^^^^^^^^ help: consider: `17_171_480_576usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:265:52
[INFO] [stderr]     |
[INFO] [stderr] 265 |                    >(U256::from(17171480576usize), 1438269988,
[INFO] [stderr]     |                                                    ^^^^^^^^^^ help: consider: `1_438_269_988`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:266:37
[INFO] [stderr]     |
[INFO] [stderr] 266 |                      U256::from(2), 1438270017),
[INFO] [stderr]     |                                     ^^^^^^^^^^ help: consider: `1_438_270_017`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:267:31
[INFO] [stderr]     |
[INFO] [stderr] 267 |                    U256::from(17163096064usize));
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^ help: consider: `17_163_096_064usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/patch.rs:16:43
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn base_reward() -> U256 { U256::from(5000000000000000000usize) }
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `5_000_000_000_000_000_000usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/patch.rs:46:42
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn era_rounds() -> U256 { U256::from(5000000) }
[INFO] [stderr]    |                                          ^^^^^^^ help: consider: `5_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/patch.rs:116:42
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let exp_diff_period = U256::from(100000);
[INFO] [stderr]     |                                          ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/patch.rs:134:50
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn pause_block_number() -> U256 { U256::from(3000000) }
[INFO] [stderr]     |                                                  ^^^^^^^ help: consider: `3_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/patch.rs:135:53
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn continue_block_number() -> U256 { U256::from(5000000) }
[INFO] [stderr]     |                                                     ^^^^^^^ help: consider: `5_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/patch.rs:141:42
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let exp_diff_period = U256::from(100000);
[INFO] [stderr]     |                                          ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PublicKey`
[INFO] [stderr]   --> src/main.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 | use secp256k1::key::{PublicKey, SecretKey};
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H512`
[INFO] [stderr]   --> src/main.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 | use bigint::{H256, U256, H512};
[INFO] [stderr]    |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Keccak256`
[INFO] [stderr]   --> src/main.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 | use sha3::{Digest, Keccak256};
[INFO] [stderr]    |                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `receipts_root`
[INFO] [stderr]   --> src/main.rs:46:73
[INFO] [stderr]    |
[INFO] [stderr] 46 | use block::{Header, Block, Transaction, transactions_root, ommers_hash, receipts_root};
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:51:35
[INFO] [stderr]    |
[INFO] [stderr] 51 | const GENESIS_DIFFICULTY: usize = 17179869184;
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: consider: `17_179_869_184`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:224:49
[INFO] [stderr]     |
[INFO] [stderr] 224 |                         if number == U256::from(1920000) {
[INFO] [stderr]     |                                                 ^^^^^^^ help: consider: `1_920_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[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 #228
[INFO] [stderr]    --> src/main.rs:152:59
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let mut timeout = Timeout::new(dur, &handle).unwrap().boxed();
[INFO] [stderr]     |                                                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[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 #228
[INFO] [stderr]    --> src/main.rs:167:29
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 timeout = t.boxed();
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[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 #228
[INFO] [stderr]    --> src/main.rs:199:63
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 timeout = Timeout::new(dur, &handle).unwrap().boxed();
[INFO] [stderr]     |                                                               ^^^^^
[INFO] [stderr] 
[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 #228
[INFO] [stderr]    --> src/main.rs:298:71
[INFO] [stderr]     |
[INFO] [stderr] 298 |                         timeout = Timeout::new(dur, &handle).unwrap().boxed();
[INFO] [stderr]     |                                                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]   --> src/main.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | #[macro_use]
[INFO] [stderr]    | ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `MemoryStateful`
[INFO] [stderr]  --> src/validator/genesis.rs:2:36
[INFO] [stderr]   |
[INFO] [stderr] 2 | use sputnikvm_stateful::{Stateful, MemoryStateful};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Block`, `TotalHeader`, `Transaction`
[INFO] [stderr]  --> src/validator/genesis.rs:4:21
[INFO] [stderr]   |
[INFO] [stderr] 4 | use block::{Header, Block, TotalHeader, Transaction, TransactionAction};
[INFO] [stderr]   |                     ^^^^^  ^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DatabaseGuard`
[INFO] [stderr]  --> src/validator/genesis.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | use trie::{DatabaseGuard, DatabaseOwned, MemoryTrie};
[INFO] [stderr]   |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ethash`
[INFO] [stderr]   --> src/validator/genesis.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use ethash;
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]   --> src/validator/genesis.rs:37:5
[INFO] [stderr]    |
[INFO] [stderr] 37 |     header
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]   --> src/validator/genesis.rs:19:22
[INFO] [stderr]    |
[INFO] [stderr] 19 |       let mut header = Header {
[INFO] [stderr]    |  ______________________^
[INFO] [stderr] 20 | |         parent_hash: H256::default(),
[INFO] [stderr] 21 | |         ommers_hash: H256::from(Keccak256::digest(&rlp::encode_list(&ommers).to_vec()).as_slice()),
[INFO] [stderr] 22 | |         beneficiary: Address::default(),
[INFO] [stderr] ...  |
[INFO] [stderr] 34 | |         mix_hash: H256::default(),
[INFO] [stderr] 35 | |     };
[INFO] [stderr]    | |_____^
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/genesis.rs:27:32
[INFO] [stderr]    |
[INFO] [stderr] 27 |         difficulty: U256::from(0x400000000usize),
[INFO] [stderr]    |                                ^^^^^^^^^^^^^^^^ help: consider: `0x0004_0000_0000usize`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::unreadable_literal)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/genesis.rs:57:34
[INFO] [stderr]    |
[INFO] [stderr] 57 |             gas_limit: Gas::from(1000000usize),
[INFO] [stderr]    |                                  ^^^^^^^^^^^^ help: consider: `1_000_000usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/genesis.rs:66:36
[INFO] [stderr]    |
[INFO] [stderr] 66 |             difficulty: U256::from(0x400000000usize),
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^ help: consider: `0x0004_0000_0000usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `FixedMemoryTrie`
[INFO] [stderr]  --> src/validator/mod.rs:3:28
[INFO] [stderr]   |
[INFO] [stderr] 3 | use trie::{MemoryDatabase, FixedMemoryTrie};
[INFO] [stderr]   |                            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H64`
[INFO] [stderr]  --> src/validator/mod.rs:4:26
[INFO] [stderr]   |
[INFO] [stderr] 4 | use bigint::{U256, H256, H64, Gas};
[INFO] [stderr]   |                          ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Transaction`, `ommers_hash`, `transactions_root`
[INFO] [stderr]  --> src/validator/mod.rs:5:43
[INFO] [stderr]   |
[INFO] [stderr] 5 | use block::{Header, Receipt, TotalHeader, Transaction, Block, Log, TransactionAction, ommers_hash, transactions_root, receipts_root};
[INFO] [stderr]   |                                           ^^^^^^^^^^^                                 ^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Keccak256`
[INFO] [stderr]  --> src/validator/mod.rs:7:20
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sha3::{Digest, Keccak256};
[INFO] [stderr]   |                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `rlp`
[INFO] [stderr]  --> src/validator/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rlp;
[INFO] [stderr]   |     ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:30:37
[INFO] [stderr]    |
[INFO] [stderr] 30 |     let min_difficulty = U256::from(125000);
[INFO] [stderr]    |                                     ^^^^^^ help: consider: `125_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:34:37
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let frontier_limit = U256::from(1150000);
[INFO] [stderr]    |                                     ^^^^^^^ help: consider: `1_150_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:77:85
[INFO] [stderr]    |
[INFO] [stderr] 77 |             let mut validator: Box<Validator> = if block.header.number < U256::from(1150000) {
[INFO] [stderr]    |                                                                                     ^^^^^^^ help: consider: `1_150_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:80:56
[INFO] [stderr]    |
[INFO] [stderr] 80 |             } else if block.header.number < U256::from(2500000) {
[INFO] [stderr]    |                                                        ^^^^^^^ help: consider: `2_500_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:83:56
[INFO] [stderr]    |
[INFO] [stderr] 83 |             } else if block.header.number < U256::from(3000000) {
[INFO] [stderr]    |                                                        ^^^^^^^ help: consider: `3_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/validator/mod.rs:86:56
[INFO] [stderr]    |
[INFO] [stderr] 86 |             } else if block.header.number < U256::from(5000001) {
[INFO] [stderr]    |                                                        ^^^^^^^ help: consider: `5_000_001`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:225:38
[INFO] [stderr]     |
[INFO] [stderr] 225 |                 gas_limit: Gas::from(1000000usize),
[INFO] [stderr]     |                                      ^^^^^^^^^^^^ help: consider: `1_000_000usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/validator/mod.rs:237:42
[INFO] [stderr]     |
[INFO] [stderr] 237 |                     gas_limit: Gas::from(1000000usize),
[INFO] [stderr]     |                                          ^^^^^^^^^^^^ help: consider: `1_000_000usize`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/patch.rs:16:43
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn base_reward() -> U256 { U256::from(5000000000000000000usize) }
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider: `5_000_000_000_000_000_000usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/patch.rs:46:42
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn era_rounds() -> U256 { U256::from(5000000) }
[INFO] [stderr]    |                                          ^^^^^^^ help: consider: `5_000_000`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/patch.rs:116:42
[INFO] [stderr]     |
[INFO] [stderr] 116 |         let exp_diff_period = U256::from(100000);
[INFO] [stderr]     |                                          ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/patch.rs:134:50
[INFO] [stderr]     |
[INFO] [stderr] 134 |     fn pause_block_number() -> U256 { U256::from(3000000) }
[INFO] [stderr]     |                                                  ^^^^^^^ help: consider: `3_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/patch.rs:135:53
[INFO] [stderr]     |
[INFO] [stderr] 135 |     fn continue_block_number() -> U256 { U256::from(5000000) }
[INFO] [stderr]     |                                                     ^^^^^^^ help: consider: `5_000_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/patch.rs:141:42
[INFO] [stderr]     |
[INFO] [stderr] 141 |         let exp_diff_period = U256::from(100000);
[INFO] [stderr]     |                                          ^^^^^^ help: consider: `100_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PublicKey`
[INFO] [stderr]   --> src/main.rs:33:22
[INFO] [stderr]    |
[INFO] [stderr] 33 | use secp256k1::key::{PublicKey, SecretKey};
[INFO] [stderr]    |                      ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `H512`
[INFO] [stderr]   --> src/main.rs:43:26
[INFO] [stderr]    |
[INFO] [stderr] 43 | use bigint::{H256, U256, H512};
[INFO] [stderr]    |                          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Keccak256`
[INFO] [stderr]   --> src/main.rs:45:20
[INFO] [stderr]    |
[INFO] [stderr] 45 | use sha3::{Digest, Keccak256};
[INFO] [stderr]    |                    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `receipts_root`
[INFO] [stderr]   --> src/main.rs:46:73
[INFO] [stderr]    |
[INFO] [stderr] 46 | use block::{Header, Block, Transaction, transactions_root, ommers_hash, receipts_root};
[INFO] [stderr]    |                                                                         ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]   --> src/main.rs:51:35
[INFO] [stderr]    |
[INFO] [stderr] 51 | const GENESIS_DIFFICULTY: usize = 17179869184;
[INFO] [stderr]    |                                   ^^^^^^^^^^^ help: consider: `17_179_869_184`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: long literal lacking separators
[INFO] [stderr]    --> src/main.rs:224:49
[INFO] [stderr]     |
[INFO] [stderr] 224 |                         if number == U256::from(1920000) {
[INFO] [stderr]     |                                                 ^^^^^^^ help: consider: `1_920_000`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unreadable_literal
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]  --> src/validator/mod.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sha3::{Digest, Keccak256};
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]   --> src/main.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 | use sha3::{Digest, Keccak256};
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `difficulty_bound_divisor`
[INFO] [stderr]   --> src/validator/mod.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let difficulty_bound_divisor = U256::from(0x0800);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_difficulty_bound_divisor` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration_limit`
[INFO] [stderr]   --> src/validator/mod.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let duration_limit = 0x0d;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_duration_limit` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frontier_limit`
[INFO] [stderr]   --> src/validator/mod.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let frontier_limit = U256::from(1150000);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_frontier_limit` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     for i in validated_number..headers.len() {
[INFO] [stderr]    |         ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `when`
[INFO] [stderr]    --> src/main.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let mut when = Instant::now() + dur;
[INFO] [stderr]     |             ^^^^ help: consider using `_when` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]    --> src/main.rs:212:29
[INFO] [stderr]     |
[INFO] [stderr] 212 |                 node, data, version
[INFO] [stderr]     |                             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_headers`
[INFO] [stderr]    --> src/main.rs:222:33
[INFO] [stderr]     |
[INFO] [stderr] 222 |                         number, max_headers, skip, reverse
[INFO] [stderr]     |                                 ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `skip`
[INFO] [stderr]    --> src/main.rs:222:46
[INFO] [stderr]     |
[INFO] [stderr] 222 |                         number, max_headers, skip, reverse
[INFO] [stderr]     |                                              ^^^^ help: try ignoring the field: `skip: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reverse`
[INFO] [stderr]    --> src/main.rs:222:52
[INFO] [stderr]     |
[INFO] [stderr] 222 |                         number, max_headers, skip, reverse
[INFO] [stderr]     |                                                    ^^^^^^^ help: try ignoring the field: `reverse: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_headers`
[INFO] [stderr]    --> src/main.rs:242:31
[INFO] [stderr]     |
[INFO] [stderr] 242 |                         hash, max_headers, skip, reverse
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `skip`
[INFO] [stderr]    --> src/main.rs:242:44
[INFO] [stderr]     |
[INFO] [stderr] 242 |                         hash, max_headers, skip, reverse
[INFO] [stderr]     |                                            ^^^^ help: try ignoring the field: `skip: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reverse`
[INFO] [stderr]    --> src/main.rs:242:50
[INFO] [stderr]     |
[INFO] [stderr] 242 |                         hash, max_headers, skip, reverse
[INFO] [stderr]     |                                                  ^^^^^^^ help: try ignoring the field: `reverse: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/validator/mod.rs:143:24
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let (mix_hash, result) = self.dag.hashimoto(self.current_block.header.partial_hash(),
[INFO] [stderr]     |                        ^^^^^^ help: consider using `_result` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/validator/mod.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let vm: SeqTransactionVM<P::VM> = stateful.execute(
[INFO] [stderr]     |             ^^ help: consider using `_vm` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/validator/mod.rs:233:17
[INFO] [stderr]     |
[INFO] [stderr] 233 |             let vm: SeqTransactionVM<P::VM> = stateful.execute(
[INFO] [stderr]     |                 ^^ help: consider using `_vm` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number`
[INFO] [stderr]   --> src/patch.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn block_reward(number: U256, uncles: usize) -> U256 { P::base_reward() + P::base_reward().shr(5) * U256::from(uncles) }
[INFO] [stderr]    |                     ^^^^^^ help: consider using `_number` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uncles`
[INFO] [stderr]   --> src/patch.rs:51:35
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn block_reward(number: U256, uncles: usize) -> U256 {
[INFO] [stderr]    |                                   ^^^^^^ help: consider using `_uncles` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `distance`
[INFO] [stderr]   --> src/patch.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn uncle_reward(distance: U256) -> U256 {
[INFO] [stderr]    |                     ^^^^^^^^ help: consider using `_distance` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let mut client = ETHStream::new(
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let mut got_bodies_for_current = true;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let mut when = Instant::now() + dur;
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:150:29
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let (mut client_sender, mut client_receiver) = client.split();
[INFO] [stderr]     |                             ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/validator/genesis.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut header = Header {
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/validator/genesis.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut accounts: Vec<(&String, &JSONAccount)> = genesis_accounts.iter().collect();
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NETWORK_ID`
[INFO] [stderr]   --> src/main.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | const NETWORK_ID: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[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 #228
[INFO] [stderr]    --> src/main.rs:152:59
[INFO] [stderr]     |
[INFO] [stderr] 152 |     let mut timeout = Timeout::new(dur, &handle).unwrap().boxed();
[INFO] [stderr]     |                                                           ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[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 #228
[INFO] [stderr]    --> src/main.rs:167:29
[INFO] [stderr]     |
[INFO] [stderr] 167 |                 timeout = t.boxed();
[INFO] [stderr]     |                             ^^^^^
[INFO] [stderr] 
[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 #228
[INFO] [stderr]    --> src/main.rs:199:63
[INFO] [stderr]     |
[INFO] [stderr] 199 |                 timeout = Timeout::new(dur, &handle).unwrap().boxed();
[INFO] [stderr]     |                                                               ^^^^^
[INFO] [stderr] 
[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 #228
[INFO] [stderr]    --> src/main.rs:298:71
[INFO] [stderr]     |
[INFO] [stderr] 298 |                         timeout = Timeout::new(dur, &handle).unwrap().boxed();
[INFO] [stderr]     |                                                                       ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/validator/mod.rs:210:27
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 used_gas: used_gas.clone(),
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `used_gas`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/main.rs:84:92
[INFO] [stderr]    |
[INFO] [stderr] 84 |     processor: &mut EthereumProcessor, validated_number: U256, headers: &[Header], bodies: &HashMap<(H256, H256), (Vec<Transaction>, Vec<Header>)>
[INFO] [stderr]    |                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: attempt to mutate range bound within loop; note that the range of the loop is unchanged
[INFO] [stderr]    --> src/main.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             validated_number += 1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::mut_range_bound)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mut_range_bound
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     env_logger::init();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/main.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | /     loop {
[INFO] [stderr] 157 | |         let ret = match core.run(
[INFO] [stderr] 158 | |             client_future
[INFO] [stderr] 159 | |                 .select2(timeout)
[INFO] [stderr] ...   |
[INFO] [stderr] 326 | |         client_future = new_client_receiver.into_future();
[INFO] [stderr] 327 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 156 |     while let Ok(ret) = core.run(
[INFO] [stderr] 157 |             client_future
[INFO] [stderr] 158 |                 .select2(timeout)
[INFO] [stderr] 159 |         ) { .. }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]  --> src/validator/mod.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use sha3::{Digest, Keccak256};
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Digest`
[INFO] [stderr]   --> src/main.rs:45:12
[INFO] [stderr]    |
[INFO] [stderr] 45 | use sha3::{Digest, Keccak256};
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `difficulty_bound_divisor`
[INFO] [stderr]   --> src/validator/mod.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |     let difficulty_bound_divisor = U256::from(0x0800);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using `_difficulty_bound_divisor` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `duration_limit`
[INFO] [stderr]   --> src/validator/mod.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let duration_limit = 0x0d;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_duration_limit` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `frontier_limit`
[INFO] [stderr]   --> src/validator/mod.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |     let frontier_limit = U256::from(1150000);
[INFO] [stderr]    |         ^^^^^^^^^^^^^^ help: consider using `_frontier_limit` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/main.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |     for i in validated_number..headers.len() {
[INFO] [stderr]    |         ^ help: consider using `_i` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `when`
[INFO] [stderr]    --> src/main.rs:148:13
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let mut when = Instant::now() + dur;
[INFO] [stderr]     |             ^^^^ help: consider using `_when` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `version`
[INFO] [stderr]    --> src/main.rs:212:29
[INFO] [stderr]     |
[INFO] [stderr] 212 |                 node, data, version
[INFO] [stderr]     |                             ^^^^^^^ help: try ignoring the field: `version: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_headers`
[INFO] [stderr]    --> src/main.rs:222:33
[INFO] [stderr]     |
[INFO] [stderr] 222 |                         number, max_headers, skip, reverse
[INFO] [stderr]     |                                 ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `skip`
[INFO] [stderr]    --> src/main.rs:222:46
[INFO] [stderr]     |
[INFO] [stderr] 222 |                         number, max_headers, skip, reverse
[INFO] [stderr]     |                                              ^^^^ help: try ignoring the field: `skip: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reverse`
[INFO] [stderr]    --> src/main.rs:222:52
[INFO] [stderr]     |
[INFO] [stderr] 222 |                         number, max_headers, skip, reverse
[INFO] [stderr]     |                                                    ^^^^^^^ help: try ignoring the field: `reverse: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `max_headers`
[INFO] [stderr]    --> src/main.rs:242:31
[INFO] [stderr]     |
[INFO] [stderr] 242 |                         hash, max_headers, skip, reverse
[INFO] [stderr]     |                               ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `skip`
[INFO] [stderr]    --> src/main.rs:242:44
[INFO] [stderr]     |
[INFO] [stderr] 242 |                         hash, max_headers, skip, reverse
[INFO] [stderr]     |                                            ^^^^ help: try ignoring the field: `skip: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reverse`
[INFO] [stderr]    --> src/main.rs:242:50
[INFO] [stderr]     |
[INFO] [stderr] 242 |                         hash, max_headers, skip, reverse
[INFO] [stderr]     |                                                  ^^^^^^^ help: try ignoring the field: `reverse: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/validator/mod.rs:143:24
[INFO] [stderr]     |
[INFO] [stderr] 143 |         let (mix_hash, result) = self.dag.hashimoto(self.current_block.header.partial_hash(),
[INFO] [stderr]     |                        ^^^^^^ help: consider using `_result` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/validator/mod.rs:221:13
[INFO] [stderr]     |
[INFO] [stderr] 221 |         let vm: SeqTransactionVM<P::VM> = stateful.execute(
[INFO] [stderr]     |             ^^ help: consider using `_vm` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `vm`
[INFO] [stderr]    --> src/validator/mod.rs:233:17
[INFO] [stderr]     |
[INFO] [stderr] 233 |             let vm: SeqTransactionVM<P::VM> = stateful.execute(
[INFO] [stderr]     |                 ^^ help: consider using `_vm` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `number`
[INFO] [stderr]   --> src/patch.rs:26:21
[INFO] [stderr]    |
[INFO] [stderr] 26 |     fn block_reward(number: U256, uncles: usize) -> U256 { P::base_reward() + P::base_reward().shr(5) * U256::from(uncles) }
[INFO] [stderr]    |                     ^^^^^^ help: consider using `_number` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `uncles`
[INFO] [stderr]   --> src/patch.rs:51:35
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn block_reward(number: U256, uncles: usize) -> U256 {
[INFO] [stderr]    |                                   ^^^^^^ help: consider using `_uncles` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `distance`
[INFO] [stderr]   --> src/patch.rs:59:21
[INFO] [stderr]    |
[INFO] [stderr] 59 |     fn uncle_reward(distance: U256) -> U256 {
[INFO] [stderr]    |                     ^^^^^^^^ help: consider using `_distance` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:120:9
[INFO] [stderr]     |
[INFO] [stderr] 120 |     let mut client = ETHStream::new(
[INFO] [stderr]     |         ----^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:144:9
[INFO] [stderr]     |
[INFO] [stderr] 144 |     let mut got_bodies_for_current = true;
[INFO] [stderr]     |         ----^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:148:9
[INFO] [stderr]     |
[INFO] [stderr] 148 |     let mut when = Instant::now() + dur;
[INFO] [stderr]     |         ----^^^^
[INFO] [stderr]     |         |
[INFO] [stderr]     |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:150:29
[INFO] [stderr]     |
[INFO] [stderr] 150 |     let (mut client_sender, mut client_receiver) = client.split();
[INFO] [stderr]     |                             ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                             |
[INFO] [stderr]     |                             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/validator/genesis.rs:19:9
[INFO] [stderr]    |
[INFO] [stderr] 19 |     let mut header = Header {
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/validator/genesis.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let mut accounts: Vec<(&String, &JSONAccount)> = genesis_accounts.iter().collect();
[INFO] [stderr]    |         ----^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `NETWORK_ID`
[INFO] [stderr]   --> src/main.rs:52:1
[INFO] [stderr]    |
[INFO] [stderr] 52 | const NETWORK_ID: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: using `clone` on a `Copy` type
[INFO] [stderr]    --> src/validator/mod.rs:210:27
[INFO] [stderr]     |
[INFO] [stderr] 210 |                 used_gas: used_gas.clone(),
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^ help: try removing the `clone` call: `used_gas`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::clone_on_copy)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#clone_on_copy
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]   --> src/main.rs:84:92
[INFO] [stderr]    |
[INFO] [stderr] 84 |     processor: &mut EthereumProcessor, validated_number: U256, headers: &[Header], bodies: &HashMap<(H256, H256), (Vec<Transaction>, Vec<Header>)>
[INFO] [stderr]    |                                                                                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: attempt to mutate range bound within loop; note that the range of the loop is unchanged
[INFO] [stderr]    --> src/main.rs:101:13
[INFO] [stderr]     |
[INFO] [stderr] 101 |             validated_number += 1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::mut_range_bound)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#mut_range_bound
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/main.rs:112:5
[INFO] [stderr]     |
[INFO] [stderr] 112 |     env_logger::init();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: this loop could be written as a `while let` loop
[INFO] [stderr]    --> src/main.rs:156:5
[INFO] [stderr]     |
[INFO] [stderr] 156 | /     loop {
[INFO] [stderr] 157 | |         let ret = match core.run(
[INFO] [stderr] 158 | |             client_future
[INFO] [stderr] 159 | |                 .select2(timeout)
[INFO] [stderr] ...   |
[INFO] [stderr] 326 | |         client_future = new_client_receiver.into_future();
[INFO] [stderr] 327 | |     }
[INFO] [stderr]     | |_____^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::while_let_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#while_let_loop
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 156 |     while let Ok(ret) = core.run(
[INFO] [stderr] 157 |             client_future
[INFO] [stderr] 158 |                 .select2(timeout)
[INFO] [stderr] 159 |         ) { .. }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.97s
[INFO] running `"docker" "inspect" "e992c9ce7d128334d13a469ed3fd1b4f9a527737bcce77877a887ef951454bbe"`
[INFO] running `"docker" "rm" "-f" "e992c9ce7d128334d13a469ed3fd1b4f9a527737bcce77877a887ef951454bbe"`
[INFO] [stdout] e992c9ce7d128334d13a469ed3fd1b4f9a527737bcce77877a887ef951454bbe