[INFO] fetching crate devp2p 0.4.1... [INFO] checking devp2p-0.4.1 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565 [INFO] extracting crate devp2p 0.4.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate devp2p 0.4.1 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate devp2p 0.4.1 [INFO] finished tweaking crates.io crate devp2p 0.4.1 [INFO] tweaked toml for crates.io crate devp2p 0.4.1 written to /workspace/builds/worker-2/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded libsecp256k1 v0.1.15 [INFO] [stderr] Downloaded ethereum-hexutil v0.2.3 [INFO] [stderr] Downloaded ethereum-block-core v0.1.0 [INFO] [stderr] Downloaded ethereum-trie v0.3.8 [INFO] [stderr] Downloaded ethereum-block v0.3.5 [INFO] [stderr] Downloaded blockchain v0.2.0 [INFO] [stderr] Downloaded ethereum-bloom v0.2.1 [INFO] [stderr] Downloaded dpt v0.3.1 [INFO] [stderr] Downloaded ethereum-bigint v0.2.9 [INFO] [stderr] Downloaded ethereum-rlp v0.2.3 [INFO] [stderr] Downloaded elastic-array-plus v0.9.1 [INFO] [stderr] Downloaded rlpx v0.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e4ead9fb1e3313b333b08ec06a6d5c277872bc61ade0751b51703b53540c97ce [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "e4ead9fb1e3313b333b08ec06a6d5c277872bc61ade0751b51703b53540c97ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e4ead9fb1e3313b333b08ec06a6d5c277872bc61ade0751b51703b53540c97ce", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e4ead9fb1e3313b333b08ec06a6d5c277872bc61ade0751b51703b53540c97ce", kill_on_drop: false }` [INFO] [stdout] e4ead9fb1e3313b333b08ec06a6d5c277872bc61ade0751b51703b53540c97ce [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d7b67581ec8d162f732ddabc3b5be0443329fa30d21e2ef2be50a9820c195fff [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "d7b67581ec8d162f732ddabc3b5be0443329fa30d21e2ef2be50a9820c195fff", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.88 [INFO] [stderr] Checking byteorder v1.4.3 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling maybe-uninit v2.0.0 [INFO] [stderr] Checking futures v0.1.31 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Checking byte-tools v0.2.0 [INFO] [stderr] Checking ethereum-hexutil v0.2.3 [INFO] [stderr] Checking elastic-array-plus v0.9.1 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Compiling winapi-build v0.1.1 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking winapi v0.2.8 [INFO] [stderr] Checking scoped-tls v0.1.2 [INFO] [stderr] Checking slab v0.3.0 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking utf8-ranges v0.1.3 [INFO] [stderr] Checking blockchain v0.2.0 [INFO] [stderr] Checking regex-syntax v0.3.9 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Compiling memoffset v0.5.6 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling crossbeam-epoch v0.8.2 [INFO] [stderr] Checking generic-array v0.8.4 [INFO] [stderr] Checking idna v0.1.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling kernel32-sys v0.2.2 [INFO] [stderr] Checking ethereum-rlp v0.2.3 [INFO] [stderr] Checking digest v0.6.2 [INFO] [stderr] Checking block-buffer v0.2.0 [INFO] [stderr] Checking crypto-mac v0.4.0 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Checking log v0.3.9 [INFO] [stderr] Checking hmac v0.4.2 [INFO] [stderr] Checking smallvec v0.6.14 [INFO] [stderr] Checking sha3 v0.6.0 [INFO] [stderr] Checking sha2 v0.6.0 [INFO] [stderr] Checking hmac-drbg v0.1.2 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Checking url v1.7.2 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking crossbeam-queue v0.2.3 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking iovec v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking net2 v0.2.37 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking thread-id v2.0.0 [INFO] [stderr] Checking memchr v0.1.11 [INFO] [stderr] Checking thread_local v0.2.7 [INFO] [stderr] Checking aho-corasick v0.5.3 [INFO] [stderr] Checking bytes v0.4.12 [INFO] [stderr] Checking tokio-executor v0.1.10 [INFO] [stderr] Checking tokio-sync v0.1.8 [INFO] [stderr] Checking tokio-timer-plus v0.1.3 [INFO] [stderr] Checking tokio-threadpool v0.1.18 [INFO] [stderr] Checking tokio-current-thread v0.1.7 [INFO] [stderr] Checking tokio-timer v0.2.13 [INFO] [stderr] Checking regex v0.1.80 [INFO] [stderr] Checking mio v0.6.23 [INFO] [stderr] Checking tokio-io v0.1.13 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking libsecp256k1 v0.1.15 [INFO] [stderr] Checking ethereum-bigint v0.2.9 [INFO] [stderr] Checking tokio-codec v0.1.2 [INFO] [stderr] Checking tokio-fs v0.1.7 [INFO] [stderr] Checking tokio-reactor v0.1.12 [INFO] [stderr] Checking mio-uds v0.6.8 [INFO] [stderr] Checking env_logger v0.3.5 [INFO] [stderr] Checking tokio-uds v0.2.7 [INFO] [stderr] Checking tokio-udp v0.1.6 [INFO] [stderr] Checking tokio-tcp v0.1.4 [INFO] [stderr] Checking tokio v0.1.22 [INFO] [stderr] Checking ethereum-bloom v0.2.1 [INFO] [stderr] Checking ethereum-block-core v0.1.0 [INFO] [stderr] Checking ethereum-trie v0.3.8 [INFO] [stderr] Checking tokio-core v0.1.18 [INFO] [stderr] Checking ethereum-block v0.3.5 [INFO] [stderr] Checking dpt v0.3.1 [INFO] [stderr] Checking rlpx v0.4.1 [INFO] [stderr] Checking devp2p v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `future` [INFO] [stdout] --> src/raw.rs:9:61 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::{StartSend, Async, Poll, Stream, Sink, Future, future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decodable` [INFO] [stdout] --> src/eth/proto.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use rlp::{Encodable, Decodable, RlpStream, DecoderError, UntrustedRlp}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Address`, `B256`, `Gas` [INFO] [stdout] --> src/eth/proto.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256}; [INFO] [stdout] | ^^^^^^^ ^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `future` [INFO] [stdout] --> src/eth/mod.rs:3:72 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::{StartSend, Async, Poll, Stream, Sink, AsyncSink, Future, future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/eth/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `future` [INFO] [stdout] --> src/raw.rs:9:61 [INFO] [stdout] | [INFO] [stdout] 9 | use futures::{StartSend, Async, Poll, Stream, Sink, Future, future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decodable` [INFO] [stdout] --> src/eth/proto.rs:1:22 [INFO] [stdout] | [INFO] [stdout] 1 | use rlp::{Encodable, Decodable, RlpStream, DecoderError, UntrustedRlp}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Address`, `B256`, `Gas` [INFO] [stdout] --> src/eth/proto.rs:2:14 [INFO] [stdout] | [INFO] [stdout] 2 | use bigint::{Address, Gas, H256, U256, B256}; [INFO] [stdout] | ^^^^^^^ ^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `DecoderError`, `Encodable`, `RlpStream` [INFO] [stdout] --> src/eth/proto.rs:196:21 [INFO] [stdout] | [INFO] [stdout] 196 | use rlp::{self, Encodable, Decodable, RlpStream, DecoderError, UntrustedRlp}; [INFO] [stdout] | ^^^^^^^^^ ^^^^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `future` [INFO] [stdout] --> src/eth/mod.rs:3:72 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::{StartSend, Async, Poll, Stream, Sink, AsyncSink, Future, future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::time::Duration` [INFO] [stdout] --> src/eth/mod.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::time::Duration; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/raw.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 96 | / loop { [INFO] [stdout] 97 | | match result { [INFO] [stdout] 98 | | Async::NotReady => return Ok(Async::Ready(())), [INFO] [stdout] 99 | | Async::Ready(()) => { [INFO] [stdout] ... | [INFO] [stdout] 121 | | } [INFO] [stdout] 122 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 125 | Ok(Async::Ready(())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/raw.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 131 | / loop { [INFO] [stdout] 132 | | match result { [INFO] [stdout] 133 | | Async::NotReady => return Ok(Async::Ready(())), [INFO] [stdout] 134 | | Async::Ready(()) => { [INFO] [stdout] ... | [INFO] [stdout] 142 | | } [INFO] [stdout] 143 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 144 | [INFO] [stdout] 145 | Ok(Async::Ready(())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/raw.rs:125:9 [INFO] [stdout] | [INFO] [stdout] 96 | / loop { [INFO] [stdout] 97 | | match result { [INFO] [stdout] 98 | | Async::NotReady => return Ok(Async::Ready(())), [INFO] [stdout] 99 | | Async::Ready(()) => { [INFO] [stdout] ... | [INFO] [stdout] 121 | | } [INFO] [stdout] 122 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] ... [INFO] [stdout] 125 | Ok(Async::Ready(())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unreachable_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/raw.rs:145:9 [INFO] [stdout] | [INFO] [stdout] 131 | / loop { [INFO] [stdout] 132 | | match result { [INFO] [stdout] 133 | | Async::NotReady => return Ok(Async::Ready(())), [INFO] [stdout] 134 | | Async::Ready(()) => { [INFO] [stdout] ... | [INFO] [stdout] 142 | | } [INFO] [stdout] 143 | | } [INFO] [stdout] | |_________- any code following this expression is unreachable [INFO] [stdout] 144 | [INFO] [stdout] 145 | Ok(Async::Ready(())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Future` [INFO] [stdout] --> src/eth/mod.rs:3:64 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::{StartSend, Async, Poll, Stream, Sink, AsyncSink, Future, future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Decodable` [INFO] [stdout] --> src/eth/proto.rs:196:32 [INFO] [stdout] | [INFO] [stdout] 196 | use rlp::{self, Encodable, Decodable, RlpStream, DecoderError, UntrustedRlp}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Future` [INFO] [stdout] --> src/eth/mod.rs:3:64 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::{StartSend, Async, Poll, Stream, Sink, AsyncSink, Future, future}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/eth/mod.rs:174:36 [INFO] [stdout] | [INFO] [stdout] 174 | Ok(AsyncSink::NotReady(v)) => Ok(AsyncSink::NotReady(val)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `v` [INFO] [stdout] --> src/eth/mod.rs:174:36 [INFO] [stdout] | [INFO] [stdout] 174 | Ok(AsyncSink::NotReady(v)) => Ok(AsyncSink::NotReady(val)), [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_v` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/raw.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut rlpx = RLPxStream::new(handle, secret_key.clone(), [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/raw.rs:46:13 [INFO] [stdout] | [INFO] [stdout] 46 | let mut rlpx = RLPxStream::new(handle, secret_key.clone(), [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `network_id` [INFO] [stdout] --> src/eth/mod.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | network_id: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `network_id` [INFO] [stdout] --> src/eth/mod.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | network_id: usize, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 13 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> examples/eth_connect.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `#[macro_use]` import [INFO] [stdout] --> examples/eth_connect.rs:11:1 [INFO] [stdout] | [INFO] [stdout] 11 | #[macro_use] [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `PublicKey` [INFO] [stdout] --> examples/eth_connect.rs:20:17 [INFO] [stdout] | [INFO] [stdout] 20 | use secp256k1::{PublicKey, SecretKey}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `H512` [INFO] [stdout] --> examples/eth_connect.rs:29:26 [INFO] [stdout] | [INFO] [stdout] 29 | use bigint::{H256, U256, H512}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Header` [INFO] [stdout] --> examples/eth_connect.rs:32:13 [INFO] [stdout] | [INFO] [stdout] 32 | use block::{Header, Block}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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 [INFO] [stdout] --> examples/eth_connect.rs:113:59 [INFO] [stdout] | [INFO] [stdout] 113 | let mut timeout = Timeout::new(dur, &handle).unwrap().boxed(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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 [INFO] [stdout] --> examples/eth_connect.rs:128:29 [INFO] [stdout] | [INFO] [stdout] 128 | timeout = t.boxed(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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 [INFO] [stdout] --> examples/eth_connect.rs:145:63 [INFO] [stdout] | [INFO] [stdout] 145 | timeout = Timeout::new(dur, &handle).unwrap().boxed(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated associated function `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 [INFO] [stdout] --> examples/eth_connect.rs:226:71 [INFO] [stdout] | [INFO] [stdout] 226 | timeout = Timeout::new(dur, &handle).unwrap().boxed(); [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `best_number` is assigned to, but never used [INFO] [stdout] --> examples/eth_connect.rs:103:9 [INFO] [stdout] | [INFO] [stdout] 103 | let mut best_number: U256 = U256::zero(); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] = note: consider using `_best_number` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `when` [INFO] [stdout] --> examples/eth_connect.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | let mut when = Instant::now() + dur; [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_when` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `version` [INFO] [stdout] --> examples/eth_connect.rs:158:29 [INFO] [stdout] | [INFO] [stdout] 158 | node, data, version [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `version: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_headers` [INFO] [stdout] --> examples/eth_connect.rs:168:33 [INFO] [stdout] | [INFO] [stdout] 168 | number, max_headers, skip, reverse [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `skip` [INFO] [stdout] --> examples/eth_connect.rs:168:46 [INFO] [stdout] | [INFO] [stdout] 168 | number, max_headers, skip, reverse [INFO] [stdout] | ^^^^ help: try ignoring the field: `skip: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reverse` [INFO] [stdout] --> examples/eth_connect.rs:168:52 [INFO] [stdout] | [INFO] [stdout] 168 | number, max_headers, skip, reverse [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `reverse: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `max_headers` [INFO] [stdout] --> examples/eth_connect.rs:188:31 [INFO] [stdout] | [INFO] [stdout] 188 | hash, max_headers, skip, reverse [INFO] [stdout] | ^^^^^^^^^^^ help: try ignoring the field: `max_headers: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `skip` [INFO] [stdout] --> examples/eth_connect.rs:188:44 [INFO] [stdout] | [INFO] [stdout] 188 | hash, max_headers, skip, reverse [INFO] [stdout] | ^^^^ help: try ignoring the field: `skip: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `reverse` [INFO] [stdout] --> examples/eth_connect.rs:188:50 [INFO] [stdout] | [INFO] [stdout] 188 | hash, max_headers, skip, reverse [INFO] [stdout] | ^^^^^^^ help: try ignoring the field: `reverse: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `best_number` is never read [INFO] [stdout] --> examples/eth_connect.rs:211:37 [INFO] [stdout] | [INFO] [stdout] 211 | ... best_number = header.number; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/eth_connect.rs:86:9 [INFO] [stdout] | [INFO] [stdout] 86 | let mut client = ETHStream::new( [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/eth_connect.rs:105:9 [INFO] [stdout] | [INFO] [stdout] 105 | let mut got_bodies_for_current = true; [INFO] [stdout] | ----^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/eth_connect.rs:109:9 [INFO] [stdout] | [INFO] [stdout] 109 | let mut when = Instant::now() + dur; [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> examples/eth_connect.rs:111:29 [INFO] [stdout] | [INFO] [stdout] 111 | let (mut client_sender, mut client_receiver) = client.split(); [INFO] [stdout] | ----^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `NETWORK_ID` [INFO] [stdout] --> examples/eth_connect.rs:37:1 [INFO] [stdout] | [INFO] [stdout] 37 | const NETWORK_ID: usize = 1; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> examples/eth_connect.rs:78:5 [INFO] [stdout] | [INFO] [stdout] 78 | env_logger::init(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 25 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 42.38s [INFO] running `Command { std: "docker" "inspect" "d7b67581ec8d162f732ddabc3b5be0443329fa30d21e2ef2be50a9820c195fff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d7b67581ec8d162f732ddabc3b5be0443329fa30d21e2ef2be50a9820c195fff", kill_on_drop: false }` [INFO] [stdout] d7b67581ec8d162f732ddabc3b5be0443329fa30d21e2ef2be50a9820c195fff