Nov 30 23:52:54.297 INFO checking devp2p-0.4.1 against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 23:52:54.297 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-alt check --frozen --all --all-targets" "-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"`
Nov 30 23:52:54.700 INFO [stdout] 64c65d794bba36b21cf7cd3a2936c84f3c8f008dd0630676ad87ad6920429453
Nov 30 23:52:54.704 INFO running `"docker" "start" "-a" "64c65d794bba36b21cf7cd3a2936c84f3c8f008dd0630676ad87ad6920429453"`
Nov 30 23:52:55.984 INFO [stderr] usermod: no changes
Nov 30 23:52:56.444 INFO [stderr]     Checking ethereum-rlp v0.2.3
Nov 30 23:52:56.444 INFO [stderr]     Checking tokio-timer-plus v0.1.3
Nov 30 23:52:56.484 INFO [stderr]     Checking libsecp256k1 v0.1.15
Nov 30 23:52:58.900 INFO [stderr]     Checking ethereum-bigint v0.2.9
Nov 30 23:53:02.798 INFO [stderr]     Checking ethereum-trie v0.3.8
Nov 30 23:53:02.800 INFO [stderr]     Checking ethereum-block-core v0.1.0
Nov 30 23:53:02.804 INFO [stderr]     Checking ethereum-bloom v0.2.1
Nov 30 23:53:17.255 INFO [stderr]     Checking rlpx v0.4.1
Nov 30 23:53:17.256 INFO [stderr]     Checking ethereum-block v0.3.5
Nov 30 23:53:17.296 INFO [stderr]     Checking dpt v0.3.1
Nov 30 23:53:27.156 INFO [stderr]     Checking devp2p v0.4.1 (/source)
Nov 30 23:53:37.064 INFO [stderr] warning: unused import: `future`
Nov 30 23:53:37.064 INFO [stderr]  --> src/raw.rs:9:61
Nov 30 23:53:37.064 INFO [stderr]   |
Nov 30 23:53:37.064 INFO [stderr] 9 | use futures::{StartSend, Async, Poll, Stream, Sink, Future, future};
Nov 30 23:53:37.064 INFO [stderr]   |                                                             ^^^^^^
Nov 30 23:53:37.064 INFO [stderr]   |
Nov 30 23:53:37.064 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 23:53:37.065 INFO [stderr] 
Nov 30 23:53:37.065 INFO [stderr] warning: unused import: `Decodable`
Nov 30 23:53:37.065 INFO [stderr]  --> src/eth/proto.rs:1:22
Nov 30 23:53:37.065 INFO [stderr]   |
Nov 30 23:53:37.065 INFO [stderr] 1 | use rlp::{Encodable, Decodable, RlpStream, DecoderError, UntrustedRlp};
Nov 30 23:53:37.065 INFO [stderr]   |                      ^^^^^^^^^
Nov 30 23:53:37.065 INFO [stderr] 
Nov 30 23:53:37.065 INFO [stderr] warning: unused imports: `Address`, `B256`, `Gas`
Nov 30 23:53:37.065 INFO [stderr]  --> src/eth/proto.rs:2:14
Nov 30 23:53:37.065 INFO [stderr]   |
Nov 30 23:53:37.065 INFO [stderr] 2 | use bigint::{Address, Gas, H256, U256, B256};
Nov 30 23:53:37.065 INFO [stderr]   |              ^^^^^^^  ^^^              ^^^^
Nov 30 23:53:37.065 INFO [stderr] 
Nov 30 23:53:37.065 INFO [stderr] warning: unused import: `future`
Nov 30 23:53:37.065 INFO [stderr]  --> src/eth/mod.rs:3:72
Nov 30 23:53:37.065 INFO [stderr]   |
Nov 30 23:53:37.065 INFO [stderr] 3 | use futures::{StartSend, Async, Poll, Stream, Sink, AsyncSink, Future, future};
Nov 30 23:53:37.065 INFO [stderr]   |                                                                        ^^^^^^
Nov 30 23:53:37.065 INFO [stderr] 
Nov 30 23:53:37.065 INFO [stderr] warning: unused import: `std::time::Duration`
Nov 30 23:53:37.065 INFO [stderr]   --> src/eth/mod.rs:11:5
Nov 30 23:53:37.065 INFO [stderr]    |
Nov 30 23:53:37.065 INFO [stderr] 11 | use std::time::Duration;
Nov 30 23:53:37.065 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:37.065 INFO [stderr] 
Nov 30 23:53:37.224 INFO [stderr] warning: unreachable expression
Nov 30 23:53:37.224 INFO [stderr]    --> src/raw.rs:125:9
Nov 30 23:53:37.224 INFO [stderr]     |
Nov 30 23:53:37.224 INFO [stderr] 125 |         Ok(Async::Ready(()))
Nov 30 23:53:37.224 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:37.224 INFO [stderr]     |
Nov 30 23:53:37.225 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Nov 30 23:53:37.225 INFO [stderr] 
Nov 30 23:53:37.228 INFO [stderr] warning: unreachable expression
Nov 30 23:53:37.229 INFO [stderr]    --> src/raw.rs:145:9
Nov 30 23:53:37.229 INFO [stderr]     |
Nov 30 23:53:37.229 INFO [stderr] 145 |         Ok(Async::Ready(()))
Nov 30 23:53:37.229 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:37.230 INFO [stderr] 
Nov 30 23:53:37.377 INFO [stderr] warning: unused import: `Future`
Nov 30 23:53:37.377 INFO [stderr]  --> src/eth/mod.rs:3:64
Nov 30 23:53:37.377 INFO [stderr]   |
Nov 30 23:53:37.377 INFO [stderr] 3 | use futures::{StartSend, Async, Poll, Stream, Sink, AsyncSink, Future, future};
Nov 30 23:53:37.377 INFO [stderr]   |                                                                ^^^^^^
Nov 30 23:53:37.377 INFO [stderr] 
Nov 30 23:53:37.411 INFO [stderr] warning: unused variable: `v`
Nov 30 23:53:37.411 INFO [stderr]    --> src/eth/mod.rs:174:36
Nov 30 23:53:37.411 INFO [stderr]     |
Nov 30 23:53:37.411 INFO [stderr] 174 |             Ok(AsyncSink::NotReady(v)) => Ok(AsyncSink::NotReady(val)),
Nov 30 23:53:37.411 INFO [stderr]     |                                    ^ help: consider using `_v` instead
Nov 30 23:53:37.411 INFO [stderr]     |
Nov 30 23:53:37.411 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 23:53:37.411 INFO [stderr] 
Nov 30 23:53:37.415 INFO [stderr] warning: variable does not need to be mutable
Nov 30 23:53:37.415 INFO [stderr]   --> src/raw.rs:46:13
Nov 30 23:53:37.415 INFO [stderr]    |
Nov 30 23:53:37.415 INFO [stderr] 46 |         let mut rlpx = RLPxStream::new(handle, secret_key.clone(),
Nov 30 23:53:37.415 INFO [stderr]    |             ----^^^^
Nov 30 23:53:37.415 INFO [stderr]    |             |
Nov 30 23:53:37.415 INFO [stderr]    |             help: remove this `mut`
Nov 30 23:53:37.415 INFO [stderr]    |
Nov 30 23:53:37.415 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 23:53:37.415 INFO [stderr] 
Nov 30 23:53:37.564 INFO [stderr] warning: field is never used: `network_id`
Nov 30 23:53:37.564 INFO [stderr]   --> src/eth/mod.rs:48:5
Nov 30 23:53:37.564 INFO [stderr]    |
Nov 30 23:53:37.564 INFO [stderr] 48 |     network_id: usize,
Nov 30 23:53:37.564 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 30 23:53:37.564 INFO [stderr]    |
Nov 30 23:53:37.564 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 23:53:37.564 INFO [stderr] 
Nov 30 23:53:38.095 INFO [stderr] warning: unused import: `future`
Nov 30 23:53:38.096 INFO [stderr]  --> src/raw.rs:9:61
Nov 30 23:53:38.096 INFO [stderr]   |
Nov 30 23:53:38.096 INFO [stderr] 9 | use futures::{StartSend, Async, Poll, Stream, Sink, Future, future};
Nov 30 23:53:38.096 INFO [stderr]   |                                                             ^^^^^^
Nov 30 23:53:38.097 INFO [stderr]   |
Nov 30 23:53:38.097 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 23:53:38.097 INFO [stderr] 
Nov 30 23:53:38.098 INFO [stderr] warning: unused import: `Decodable`
Nov 30 23:53:38.098 INFO [stderr]  --> src/eth/proto.rs:1:22
Nov 30 23:53:38.098 INFO [stderr]   |
Nov 30 23:53:38.099 INFO [stderr] 1 | use rlp::{Encodable, Decodable, RlpStream, DecoderError, UntrustedRlp};
Nov 30 23:53:38.099 INFO [stderr]   |                      ^^^^^^^^^
Nov 30 23:53:38.099 INFO [stderr] 
Nov 30 23:53:38.099 INFO [stderr] warning: unused imports: `Address`, `B256`, `Gas`
Nov 30 23:53:38.100 INFO [stderr]  --> src/eth/proto.rs:2:14
Nov 30 23:53:38.100 INFO [stderr]   |
Nov 30 23:53:38.100 INFO [stderr] 2 | use bigint::{Address, Gas, H256, U256, B256};
Nov 30 23:53:38.100 INFO [stderr]   |              ^^^^^^^  ^^^              ^^^^
Nov 30 23:53:38.100 INFO [stderr] 
Nov 30 23:53:38.101 INFO [stderr] warning: unused imports: `DecoderError`, `Encodable`, `RlpStream`
Nov 30 23:53:38.102 INFO [stderr]    --> src/eth/proto.rs:196:21
Nov 30 23:53:38.102 INFO [stderr]     |
Nov 30 23:53:38.102 INFO [stderr] 196 |     use rlp::{self, Encodable, Decodable, RlpStream, DecoderError, UntrustedRlp};
Nov 30 23:53:38.102 INFO [stderr]     |                     ^^^^^^^^^             ^^^^^^^^^  ^^^^^^^^^^^^
Nov 30 23:53:38.102 INFO [stderr] 
Nov 30 23:53:38.103 INFO [stderr] warning: unused import: `future`
Nov 30 23:53:38.103 INFO [stderr]  --> src/eth/mod.rs:3:72
Nov 30 23:53:38.103 INFO [stderr]   |
Nov 30 23:53:38.103 INFO [stderr] 3 | use futures::{StartSend, Async, Poll, Stream, Sink, AsyncSink, Future, future};
Nov 30 23:53:38.103 INFO [stderr]   |                                                                        ^^^^^^
Nov 30 23:53:38.103 INFO [stderr] 
Nov 30 23:53:38.103 INFO [stderr] warning: unused import: `std::time::Duration`
Nov 30 23:53:38.103 INFO [stderr]   --> src/eth/mod.rs:11:5
Nov 30 23:53:38.103 INFO [stderr]    |
Nov 30 23:53:38.103 INFO [stderr] 11 | use std::time::Duration;
Nov 30 23:53:38.103 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:38.103 INFO [stderr] 
Nov 30 23:53:38.332 INFO [stderr] warning: unreachable expression
Nov 30 23:53:38.332 INFO [stderr]    --> src/raw.rs:125:9
Nov 30 23:53:38.332 INFO [stderr]     |
Nov 30 23:53:38.332 INFO [stderr] 125 |         Ok(Async::Ready(()))
Nov 30 23:53:38.332 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:38.332 INFO [stderr]     |
Nov 30 23:53:38.333 INFO [stderr]     = note: #[warn(unreachable_code)] on by default
Nov 30 23:53:38.333 INFO [stderr] 
Nov 30 23:53:38.337 INFO [stderr] warning: unreachable expression
Nov 30 23:53:38.337 INFO [stderr]    --> src/raw.rs:145:9
Nov 30 23:53:38.337 INFO [stderr]     |
Nov 30 23:53:38.337 INFO [stderr] 145 |         Ok(Async::Ready(()))
Nov 30 23:53:38.337 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:38.337 INFO [stderr] 
Nov 30 23:53:38.521 INFO [stderr] warning: unused import: `Decodable`
Nov 30 23:53:38.521 INFO [stderr]    --> src/eth/proto.rs:196:32
Nov 30 23:53:38.521 INFO [stderr]     |
Nov 30 23:53:38.521 INFO [stderr] 196 |     use rlp::{self, Encodable, Decodable, RlpStream, DecoderError, UntrustedRlp};
Nov 30 23:53:38.521 INFO [stderr]     |                                ^^^^^^^^^
Nov 30 23:53:38.521 INFO [stderr] 
Nov 30 23:53:38.521 INFO [stderr] warning: unused import: `Future`
Nov 30 23:53:38.521 INFO [stderr]  --> src/eth/mod.rs:3:64
Nov 30 23:53:38.521 INFO [stderr]   |
Nov 30 23:53:38.521 INFO [stderr] 3 | use futures::{StartSend, Async, Poll, Stream, Sink, AsyncSink, Future, future};
Nov 30 23:53:38.521 INFO [stderr]   |                                                                ^^^^^^
Nov 30 23:53:38.522 INFO [stderr] 
Nov 30 23:53:38.558 INFO [stderr] warning: unused variable: `v`
Nov 30 23:53:38.558 INFO [stderr]    --> src/eth/mod.rs:174:36
Nov 30 23:53:38.558 INFO [stderr]     |
Nov 30 23:53:38.558 INFO [stderr] 174 |             Ok(AsyncSink::NotReady(v)) => Ok(AsyncSink::NotReady(val)),
Nov 30 23:53:38.558 INFO [stderr]     |                                    ^ help: consider using `_v` instead
Nov 30 23:53:38.558 INFO [stderr]     |
Nov 30 23:53:38.558 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 23:53:38.558 INFO [stderr] 
Nov 30 23:53:38.573 INFO [stderr] warning: variable does not need to be mutable
Nov 30 23:53:38.573 INFO [stderr]   --> src/raw.rs:46:13
Nov 30 23:53:38.573 INFO [stderr]    |
Nov 30 23:53:38.573 INFO [stderr] 46 |         let mut rlpx = RLPxStream::new(handle, secret_key.clone(),
Nov 30 23:53:38.573 INFO [stderr]    |             ----^^^^
Nov 30 23:53:38.573 INFO [stderr]    |             |
Nov 30 23:53:38.573 INFO [stderr]    |             help: remove this `mut`
Nov 30 23:53:38.573 INFO [stderr]    |
Nov 30 23:53:38.573 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 23:53:38.573 INFO [stderr] 
Nov 30 23:53:38.706 INFO [stderr] warning: field is never used: `network_id`
Nov 30 23:53:38.706 INFO [stderr]   --> src/eth/mod.rs:48:5
Nov 30 23:53:38.707 INFO [stderr]    |
Nov 30 23:53:38.707 INFO [stderr] 48 |     network_id: usize,
Nov 30 23:53:38.707 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^
Nov 30 23:53:38.707 INFO [stderr]    |
Nov 30 23:53:38.707 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 23:53:38.707 INFO [stderr] 
Nov 30 23:53:45.200 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 23:53:45.200 INFO [stderr]  --> examples/eth_connect.rs:9:1
Nov 30 23:53:45.200 INFO [stderr]   |
Nov 30 23:53:45.200 INFO [stderr] 9 | #[macro_use]
Nov 30 23:53:45.200 INFO [stderr]   | ^^^^^^^^^^^^
Nov 30 23:53:45.200 INFO [stderr]   |
Nov 30 23:53:45.200 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 23:53:45.200 INFO [stderr] 
Nov 30 23:53:45.200 INFO [stderr] warning: unused `#[macro_use]` import
Nov 30 23:53:45.200 INFO [stderr]   --> examples/eth_connect.rs:11:1
Nov 30 23:53:45.200 INFO [stderr]    |
Nov 30 23:53:45.200 INFO [stderr] 11 | #[macro_use]
Nov 30 23:53:45.200 INFO [stderr]    | ^^^^^^^^^^^^
Nov 30 23:53:45.200 INFO [stderr] 
Nov 30 23:53:45.200 INFO [stderr] warning: unused import: `PublicKey`
Nov 30 23:53:45.200 INFO [stderr]   --> examples/eth_connect.rs:20:17
Nov 30 23:53:45.200 INFO [stderr]    |
Nov 30 23:53:45.200 INFO [stderr] 20 | use secp256k1::{PublicKey, SecretKey};
Nov 30 23:53:45.200 INFO [stderr]    |                 ^^^^^^^^^
Nov 30 23:53:45.200 INFO [stderr] 
Nov 30 23:53:45.200 INFO [stderr] warning: unused import: `H512`
Nov 30 23:53:45.200 INFO [stderr]   --> examples/eth_connect.rs:29:26
Nov 30 23:53:45.200 INFO [stderr]    |
Nov 30 23:53:45.200 INFO [stderr] 29 | use bigint::{H256, U256, H512};
Nov 30 23:53:45.200 INFO [stderr]    |                          ^^^^
Nov 30 23:53:45.200 INFO [stderr] 
Nov 30 23:53:45.200 INFO [stderr] warning: unused import: `Header`
Nov 30 23:53:45.200 INFO [stderr]   --> examples/eth_connect.rs:32:13
Nov 30 23:53:45.200 INFO [stderr]    |
Nov 30 23:53:45.200 INFO [stderr] 32 | use block::{Header, Block};
Nov 30 23:53:45.200 INFO [stderr]    |             ^^^^^^
Nov 30 23:53:45.200 INFO [stderr] 
Nov 30 23:53:45.328 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
Nov 30 23:53:45.328 INFO [stderr]    --> examples/eth_connect.rs:113:59
Nov 30 23:53:45.328 INFO [stderr]     |
Nov 30 23:53:45.328 INFO [stderr] 113 |     let mut timeout = Timeout::new(dur, &handle).unwrap().boxed();
Nov 30 23:53:45.328 INFO [stderr]     |                                                           ^^^^^
Nov 30 23:53:45.328 INFO [stderr]     |
Nov 30 23:53:45.328 INFO [stderr]     = note: #[warn(deprecated)] on by default
Nov 30 23:53:45.328 INFO [stderr] 
Nov 30 23:53:45.328 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
Nov 30 23:53:45.328 INFO [stderr]    --> examples/eth_connect.rs:128:29
Nov 30 23:53:45.328 INFO [stderr]     |
Nov 30 23:53:45.328 INFO [stderr] 128 |                 timeout = t.boxed();
Nov 30 23:53:45.328 INFO [stderr]     |                             ^^^^^
Nov 30 23:53:45.328 INFO [stderr] 
Nov 30 23:53:45.328 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
Nov 30 23:53:45.328 INFO [stderr]    --> examples/eth_connect.rs:145:63
Nov 30 23:53:45.328 INFO [stderr]     |
Nov 30 23:53:45.328 INFO [stderr] 145 |                 timeout = Timeout::new(dur, &handle).unwrap().boxed();
Nov 30 23:53:45.328 INFO [stderr]     |                                                               ^^^^^
Nov 30 23:53:45.328 INFO [stderr] 
Nov 30 23:53:45.340 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
Nov 30 23:53:45.340 INFO [stderr]    --> examples/eth_connect.rs:226:71
Nov 30 23:53:45.340 INFO [stderr]     |
Nov 30 23:53:45.340 INFO [stderr] 226 |                         timeout = Timeout::new(dur, &handle).unwrap().boxed();
Nov 30 23:53:45.340 INFO [stderr]     |                                                                       ^^^^^
Nov 30 23:53:45.340 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: variable `best_number` is assigned to, but never used
Nov 30 23:53:45.394 INFO [stderr]    --> examples/eth_connect.rs:103:13
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr] 103 |     let mut best_number: U256 = U256::zero();
Nov 30 23:53:45.394 INFO [stderr]     |             ^^^^^^^^^^^
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 30 23:53:45.394 INFO [stderr]     = note: consider using `_best_number` instead
Nov 30 23:53:45.394 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: unused variable: `when`
Nov 30 23:53:45.394 INFO [stderr]    --> examples/eth_connect.rs:109:13
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr] 109 |     let mut when = Instant::now() + dur;
Nov 30 23:53:45.394 INFO [stderr]     |             ^^^^ help: consider using `_when` instead
Nov 30 23:53:45.394 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: unused variable: `version`
Nov 30 23:53:45.394 INFO [stderr]    --> examples/eth_connect.rs:158:29
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr] 158 |                 node, data, version
Nov 30 23:53:45.394 INFO [stderr]     |                             ^^^^^^^ help: try ignoring the field: `version: _`
Nov 30 23:53:45.394 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: unused variable: `max_headers`
Nov 30 23:53:45.394 INFO [stderr]    --> examples/eth_connect.rs:168:33
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr] 168 |                         number, max_headers, skip, reverse
Nov 30 23:53:45.394 INFO [stderr]     |                                 ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
Nov 30 23:53:45.394 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: unused variable: `skip`
Nov 30 23:53:45.394 INFO [stderr]    --> examples/eth_connect.rs:168:46
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr] 168 |                         number, max_headers, skip, reverse
Nov 30 23:53:45.394 INFO [stderr]     |                                              ^^^^ help: try ignoring the field: `skip: _`
Nov 30 23:53:45.394 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: unused variable: `reverse`
Nov 30 23:53:45.394 INFO [stderr]    --> examples/eth_connect.rs:168:52
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr] 168 |                         number, max_headers, skip, reverse
Nov 30 23:53:45.394 INFO [stderr]     |                                                    ^^^^^^^ help: try ignoring the field: `reverse: _`
Nov 30 23:53:45.394 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: unused variable: `max_headers`
Nov 30 23:53:45.394 INFO [stderr]    --> examples/eth_connect.rs:188:31
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr] 188 |                         hash, max_headers, skip, reverse
Nov 30 23:53:45.394 INFO [stderr]     |                               ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _`
Nov 30 23:53:45.394 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: unused variable: `skip`
Nov 30 23:53:45.394 INFO [stderr]    --> examples/eth_connect.rs:188:44
Nov 30 23:53:45.394 INFO [stderr]     |
Nov 30 23:53:45.394 INFO [stderr] 188 |                         hash, max_headers, skip, reverse
Nov 30 23:53:45.394 INFO [stderr]     |                                            ^^^^ help: try ignoring the field: `skip: _`
Nov 30 23:53:45.394 INFO [stderr] 
Nov 30 23:53:45.394 INFO [stderr] warning: unused variable: `reverse`
Nov 30 23:53:45.395 INFO [stderr]    --> examples/eth_connect.rs:188:50
Nov 30 23:53:45.395 INFO [stderr]     |
Nov 30 23:53:45.395 INFO [stderr] 188 |                         hash, max_headers, skip, reverse
Nov 30 23:53:45.395 INFO [stderr]     |                                                  ^^^^^^^ help: try ignoring the field: `reverse: _`
Nov 30 23:53:45.395 INFO [stderr] 
Nov 30 23:53:45.395 INFO [stderr] warning: value assigned to `best_number` is never read
Nov 30 23:53:45.395 INFO [stderr]    --> examples/eth_connect.rs:211:37
Nov 30 23:53:45.395 INFO [stderr]     |
Nov 30 23:53:45.395 INFO [stderr] 211 |                                     best_number = header.number;
Nov 30 23:53:45.395 INFO [stderr]     |                                     ^^^^^^^^^^^
Nov 30 23:53:45.395 INFO [stderr]     |
Nov 30 23:53:45.395 INFO [stderr]     = note: #[warn(unused_assignments)] on by default
Nov 30 23:53:45.395 INFO [stderr] 
Nov 30 23:53:45.395 INFO [stderr] warning: variable does not need to be mutable
Nov 30 23:53:45.395 INFO [stderr]   --> examples/eth_connect.rs:86:9
Nov 30 23:53:45.395 INFO [stderr]    |
Nov 30 23:53:45.395 INFO [stderr] 86 |     let mut client = ETHStream::new(
Nov 30 23:53:45.395 INFO [stderr]    |         ----^^^^^^
Nov 30 23:53:45.395 INFO [stderr]    |         |
Nov 30 23:53:45.395 INFO [stderr]    |         help: remove this `mut`
Nov 30 23:53:45.395 INFO [stderr]    |
Nov 30 23:53:45.395 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Nov 30 23:53:45.395 INFO [stderr] 
Nov 30 23:53:45.395 INFO [stderr] warning: variable does not need to be mutable
Nov 30 23:53:45.395 INFO [stderr]    --> examples/eth_connect.rs:105:9
Nov 30 23:53:45.395 INFO [stderr]     |
Nov 30 23:53:45.395 INFO [stderr] 105 |     let mut got_bodies_for_current = true;
Nov 30 23:53:45.395 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:45.395 INFO [stderr]     |         |
Nov 30 23:53:45.395 INFO [stderr]     |         help: remove this `mut`
Nov 30 23:53:45.395 INFO [stderr] 
Nov 30 23:53:45.395 INFO [stderr] warning: variable does not need to be mutable
Nov 30 23:53:45.395 INFO [stderr]    --> examples/eth_connect.rs:109:9
Nov 30 23:53:45.395 INFO [stderr]     |
Nov 30 23:53:45.395 INFO [stderr] 109 |     let mut when = Instant::now() + dur;
Nov 30 23:53:45.395 INFO [stderr]     |         ----^^^^
Nov 30 23:53:45.395 INFO [stderr]     |         |
Nov 30 23:53:45.395 INFO [stderr]     |         help: remove this `mut`
Nov 30 23:53:45.395 INFO [stderr] 
Nov 30 23:53:45.395 INFO [stderr] warning: variable does not need to be mutable
Nov 30 23:53:45.395 INFO [stderr]    --> examples/eth_connect.rs:111:29
Nov 30 23:53:45.395 INFO [stderr]     |
Nov 30 23:53:45.395 INFO [stderr] 111 |     let (mut client_sender, mut client_receiver) = client.split();
Nov 30 23:53:45.395 INFO [stderr]     |                             ----^^^^^^^^^^^^^^^
Nov 30 23:53:45.395 INFO [stderr]     |                             |
Nov 30 23:53:45.395 INFO [stderr]     |                             help: remove this `mut`
Nov 30 23:53:45.395 INFO [stderr] 
Nov 30 23:53:45.395 INFO [stderr] warning: constant item is never used: `NETWORK_ID`
Nov 30 23:53:45.395 INFO [stderr]   --> examples/eth_connect.rs:37:1
Nov 30 23:53:45.395 INFO [stderr]    |
Nov 30 23:53:45.395 INFO [stderr] 37 | const NETWORK_ID: usize = 1;
Nov 30 23:53:45.395 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:45.395 INFO [stderr]    |
Nov 30 23:53:45.395 INFO [stderr]    = note: #[warn(dead_code)] on by default
Nov 30 23:53:45.395 INFO [stderr] 
Nov 30 23:53:45.395 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 30 23:53:45.395 INFO [stderr]   --> examples/eth_connect.rs:78:5
Nov 30 23:53:45.395 INFO [stderr]    |
Nov 30 23:53:45.395 INFO [stderr] 78 |     env_logger::init();
Nov 30 23:53:45.395 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^
Nov 30 23:53:45.395 INFO [stderr]    |
Nov 30 23:53:45.395 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 30 23:53:45.395 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 30 23:53:45.395 INFO [stderr] 
Nov 30 23:53:45.431 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.41s
Nov 30 23:53:45.441 INFO [stderr] su: No module specific data is present
Nov 30 23:53:45.923 INFO running `"docker" "inspect" "64c65d794bba36b21cf7cd3a2936c84f3c8f008dd0630676ad87ad6920429453"`
Nov 30 23:53:46.250 INFO running `"docker" "rm" "-f" "64c65d794bba36b21cf7cd3a2936c84f3c8f008dd0630676ad87ad6920429453"`
Nov 30 23:53:46.644 INFO [stdout] 64c65d794bba36b21cf7cd3a2936c84f3c8f008dd0630676ad87ad6920429453