[INFO] cloning repository https://github.com/yeeco/network-sharding-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yeeco/network-sharding-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeeco%2Fnetwork-sharding-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeeco%2Fnetwork-sharding-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] da23cc5600a6bc92c2038e5692a401cd352ef6dd [INFO] testing yeeco/network-sharding-demo against try#46592174fb13958bb9a2aa0d7af6c1224e1d7143 for pr-83796 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyeeco%2Fnetwork-sharding-demo" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/yeeco/network-sharding-demo on toolchain 46592174fb13958bb9a2aa0d7af6c1224e1d7143 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yeeco/network-sharding-demo [INFO] finished tweaking git repo https://github.com/yeeco/network-sharding-demo [INFO] tweaked toml for git repo https://github.com/yeeco/network-sharding-demo written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/yeeco/network-sharding-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded jsonrpc-core-client v12.0.0 [INFO] [stderr] Downloaded jsonrpc-core v12.0.0 [INFO] [stderr] Downloaded jsonrpc-client-transports v12.0.0 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b0dbf39f3f6e3ba82d77baa7d1c4f18d7237f3aa74ac5680e1065cfe2a19fd35 [INFO] running `Command { std: "docker" "start" "-a" "b0dbf39f3f6e3ba82d77baa7d1c4f18d7237f3aa74ac5680e1065cfe2a19fd35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b0dbf39f3f6e3ba82d77baa7d1c4f18d7237f3aa74ac5680e1065cfe2a19fd35", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b0dbf39f3f6e3ba82d77baa7d1c4f18d7237f3aa74ac5680e1065cfe2a19fd35", kill_on_drop: false }` [INFO] [stdout] b0dbf39f3f6e3ba82d77baa7d1c4f18d7237f3aa74ac5680e1065cfe2a19fd35 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1fe6700642f388b7c3aa28da77b435766427b9b1079b7f1f4e1065d28505143 [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" "b1fe6700642f388b7c3aa28da77b435766427b9b1079b7f1f4e1065d28505143", kill_on_drop: false }` [INFO] [stderr] Compiling futures v0.1.28 [INFO] [stderr] Compiling cc v1.0.26 [INFO] [stderr] Compiling syn v0.15.39 [INFO] [stderr] Compiling serde v1.0.94 [INFO] [stderr] Compiling subtle v2.1.0 [INFO] [stderr] Compiling ryu v1.0.0 [INFO] [stderr] Compiling rustc-hex v2.0.1 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling lazy_static v1.3.0 [INFO] [stderr] Compiling hyper v0.12.31 [INFO] [stderr] Compiling generic-array v0.12.3 [INFO] [stderr] Compiling bstr v0.2.1 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand v0.5.6 [INFO] [stderr] Compiling crossbeam-utils v0.6.5 [INFO] [stderr] Compiling tokio-trace-core v0.2.0 [INFO] 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Compiling jsonrpc-derive v10.1.0 [INFO] [stderr] Compiling asn1_der v0.6.2 [INFO] [stderr] Compiling failure v0.1.5 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling ed25519-dalek v1.0.0-pre.1 [INFO] [stderr] Compiling libp2p-core v0.7.1 [INFO] [stderr] Compiling parity-codec v3.5.4 [INFO] [stderr] Compiling impl-codec v0.2.0 [INFO] [stderr] Compiling primitive-types v0.2.4 [INFO] [stderr] Compiling libp2p-websocket v0.7.0 [INFO] [stderr] Compiling libp2p-noise v0.5.0 [INFO] [stderr] Compiling libp2p-kad v0.7.0 [INFO] [stderr] Compiling libp2p-ping v0.7.0 [INFO] [stderr] Compiling libp2p-plaintext v0.7.0 [INFO] [stderr] Compiling libp2p-ratelimit v0.7.0 [INFO] [stderr] Compiling libp2p-mplex v0.7.0 [INFO] [stderr] Compiling libp2p-tcp v0.7.2 [INFO] [stderr] Compiling libp2p-dns v0.7.0 [INFO] [stderr] Compiling libp2p-identify v0.7.0 [INFO] [stderr] Compiling libp2p-yamux v0.7.0 [INFO] [stderr] Compiling libp2p-mdns v0.7.0 [INFO] [stderr] Compiling libp2p-floodsub v0.7.0 [INFO] [stderr] Compiling libp2p-secio v0.7.0 [INFO] [stderr] Compiling libp2p-uds v0.7.0 [INFO] [stderr] Compiling libp2p v0.7.0 [INFO] [stderr] Compiling jsonrpc-core v10.1.0 [INFO] [stderr] Compiling jsonrpc-core v12.0.0 [INFO] [stderr] Compiling jsonrpc-core v8.0.1 [INFO] [stderr] Compiling jsonrpc-client-core v0.5.0 [INFO] [stderr] Compiling jsonrpc-server-utils v10.1.0 [INFO] [stderr] Compiling jsonrpc-pubsub v10.1.0 [INFO] [stderr] Compiling jsonrpc-client-transports v12.0.0 [INFO] [stderr] Compiling jsonrpc-client-http v0.5.0 [INFO] [stderr] Compiling jsonrpc-core-client v12.0.0 [INFO] [stderr] Compiling jsonrpc-http-server v10.1.0 [INFO] [stderr] Compiling network-sharding-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/network.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::client::{self, Client, ParseMessage, Message}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FramedRead`, `LinesCodec` [INFO] [stdout] --> src/network.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `TryRecvError`, `self as channel` [INFO] [stdout] --> src/network.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | use crossbeam_channel::{self as channel, Receiver, Sender, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLock` [INFO] [stdout] --> src/network.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | use parking_lot::{Mutex, RwLock}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RunCmd` [INFO] [stdout] --> src/bootnodes_router.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::params::{BootNodesRouterCmd, RunCmd}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `trace`, `warn` [INFO] [stdout] --> src/bootnodes_router.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use log::{debug, info, trace, warn}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/foreign_network.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::client::{self, Client, ParseMessage, Message}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FramedRead`, `LinesCodec` [INFO] [stdout] --> src/foreign_network.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLock` [INFO] [stdout] --> src/foreign_network.rs:34:26 [INFO] [stdout] | [INFO] [stdout] 34 | use parking_lot::{Mutex, RwLock}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryRecvError` [INFO] [stdout] --> src/client.rs:1:60 [INFO] [stdout] | [INFO] [stdout] 1 | use crossbeam_channel::{self as channel, Receiver, Sender, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp`, `time::Duration` [INFO] [stdout] --> src/client.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{thread, cmp, time::Duration}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `stream::Fuse`, `stream` [INFO] [stdout] --> src/client.rs:3:35 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::{prelude::*, future, stream, Stream, stream::Fuse}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Framed` [INFO] [stdout] --> src/client.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/network.rs:1400:17 [INFO] [stdout] | [INFO] [stdout] 1386 | / loop { [INFO] [stdout] 1387 | | stdin_notify.register(); [INFO] [stdout] 1388 | | match stdin_receiver.try_recv() { [INFO] [stdout] 1389 | | Ok(msg) => { [INFO] [stdout] ... | [INFO] [stdout] 1398 | | } [INFO] [stdout] 1399 | | } [INFO] [stdout] | |_________________- any code following this expression is unreachable [INFO] [stdout] 1400 | Ok(Async::NotReady) [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/foreign_network.rs:1467:17 [INFO] [stdout] | [INFO] [stdout] 1456 | / loop { [INFO] [stdout] 1457 | | foreign_notify.register(); [INFO] [stdout] 1458 | | match foreign_receiver.try_recv() { [INFO] [stdout] 1459 | | Ok(msg) => { [INFO] [stdout] ... | [INFO] [stdout] 1465 | | } [INFO] [stdout] 1466 | | } [INFO] [stdout] | |_________________- any code following this expression is unreachable [INFO] [stdout] 1467 | Ok(Async::NotReady) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/network.rs:77:23 [INFO] [stdout] | [INFO] [stdout] 77 | for (peer_id, addr) in &bootnodes { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/network.rs:841:9 [INFO] [stdout] | [INFO] [stdout] 841 | info: Self::Info, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/network.rs:873:9 [INFO] [stdout] | [INFO] [stdout] 873 | info: Self::Info, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/network.rs:1384:13 [INFO] [stdout] | [INFO] [stdout] 1384 | let thread = thread::Builder::new().name("stdin_channel".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/network.rs:1406:13 [INFO] [stdout] | [INFO] [stdout] 1406 | let thread = thread::Builder::new().name("network".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/bootnodes_router.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let thread = thread::Builder::new().name("bootnodes_router".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bootnodes_router.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | Err(e) => { continue; } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/foreign_network.rs:76:23 [INFO] [stdout] | [INFO] [stdout] 76 | for (peer_id, addr) in &bootnodes { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/foreign_network.rs:885:9 [INFO] [stdout] | [INFO] [stdout] 885 | info: Self::Info, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/foreign_network.rs:917:9 [INFO] [stdout] | [INFO] [stdout] 917 | info: Self::Info, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/foreign_network.rs:1454:13 [INFO] [stdout] | [INFO] [stdout] 1454 | let thread = thread::Builder::new().name("foreign_channel".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/foreign_network.rs:1473:13 [INFO] [stdout] | [INFO] [stdout] 1473 | let thread = thread::Builder::new().name("foreign_network".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shard_num` [INFO] [stdout] --> src/foreign_network.rs:1506:13 [INFO] [stdout] | [INFO] [stdout] 1506 | let shard_num = self.cmd.shard_num; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shard_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shard_num` [INFO] [stdout] --> src/foreign_network.rs:1518:22 [INFO] [stdout] | [INFO] [stdout] 1518 | for (shard_num, shard) in shards { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shard_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/client.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | let thread = thread::Builder::new().name("client".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:849:13 [INFO] [stdout] | [INFO] [stdout] 849 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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/network.rs:877:13 [INFO] [stdout] | [INFO] [stdout] 877 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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] --> src/network.rs:1363:17 [INFO] [stdout] | [INFO] [stdout] 1363 | let mut behavior = Behavior::new(protocol_version, user_agent, local_public, bootnodes, self.cmd.shard_num); [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] --> src/network.rs:1443:13 [INFO] [stdout] | [INFO] [stdout] 1443 | let mut shards: HashMap; [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] --> src/foreign_network.rs:200:13 [INFO] [stdout] | [INFO] [stdout] 200 | let mut of_shard = self.peers.entry(shard_num).or_insert(FnvHashMap::default()); [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] --> src/foreign_network.rs:893:13 [INFO] [stdout] | [INFO] [stdout] 893 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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] --> src/foreign_network.rs:921:13 [INFO] [stdout] | [INFO] [stdout] 921 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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] --> src/foreign_network.rs:1107:25 [INFO] [stdout] | [INFO] [stdout] 1107 | if let Some(mut a) = self.peers.get_mut(shard_num) { [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] --> src/foreign_network.rs:1436:17 [INFO] [stdout] | [INFO] [stdout] 1436 | let mut behavior = Behavior::new(protocol_version, user_agent, local_public, bootnodes, self.cmd.shard_num); [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] --> src/foreign_network.rs:1510:13 [INFO] [stdout] | [INFO] [stdout] 1510 | let mut shards: HashMap; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkOpen` [INFO] [stdout] --> src/network.rs:273:5 [INFO] [stdout] | [INFO] [stdout] 273 | / WorkOpen { [INFO] [stdout] 274 | | /// Version of the protocol that has been opened. [INFO] [stdout] 275 | | version: u8, [INFO] [stdout] 276 | | /// Id of the node we have opened a connection with. [INFO] [stdout] ... | [INFO] [stdout] 279 | | endpoint: ConnectedPoint, [INFO] [stdout] 280 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkClosed` [INFO] [stdout] --> src/network.rs:283:5 [INFO] [stdout] | [INFO] [stdout] 283 | / WorkClosed { [INFO] [stdout] 284 | | /// Id of the peer we were connected to. [INFO] [stdout] 285 | | peer_id: PeerId, [INFO] [stdout] 286 | | /// Reason why the substream closed, for debugging purposes. [INFO] [stdout] 287 | | reason: Cow<'static, str>, [INFO] [stdout] 288 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CustomMessage` [INFO] [stdout] --> src/network.rs:291:5 [INFO] [stdout] | [INFO] [stdout] 291 | / CustomMessage { [INFO] [stdout] 292 | | /// Id of the peer the message came from. [INFO] [stdout] 293 | | peer_id: PeerId, [INFO] [stdout] 294 | | /// Message that has been received. [INFO] [stdout] 295 | | message: String, [INFO] [stdout] 296 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/network.rs:799:12 [INFO] [stdout] | [INFO] [stdout] 799 | pub fn new(protocol: String) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `id` [INFO] [stdout] --> src/network.rs:807:12 [INFO] [stdout] | [INFO] [stdout] 807 | pub fn id(&self) -> String { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `protocol_id` [INFO] [stdout] --> src/network.rs:904:5 [INFO] [stdout] | [INFO] [stdout] 904 | protocol_id: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `protocol_id` [INFO] [stdout] --> src/network.rs:913:12 [INFO] [stdout] | [INFO] [stdout] 913 | pub fn protocol_id(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkOpen` [INFO] [stdout] --> src/foreign_network.rs:317:5 [INFO] [stdout] | [INFO] [stdout] 317 | / WorkOpen { [INFO] [stdout] 318 | | /// Version of the protocol that has been opened. [INFO] [stdout] 319 | | version: u8, [INFO] [stdout] 320 | | /// Id of the node we have opened a connection with. [INFO] [stdout] ... | [INFO] [stdout] 323 | | endpoint: ConnectedPoint, [INFO] [stdout] 324 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkClosed` [INFO] [stdout] --> src/foreign_network.rs:327:5 [INFO] [stdout] | [INFO] [stdout] 327 | / WorkClosed { [INFO] [stdout] 328 | | /// Id of the peer we were connected to. [INFO] [stdout] 329 | | peer_id: PeerId, [INFO] [stdout] 330 | | /// Reason why the substream closed, for debugging purposes. [INFO] [stdout] 331 | | reason: Cow<'static, str>, [INFO] [stdout] 332 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CustomMessage` [INFO] [stdout] --> src/foreign_network.rs:335:5 [INFO] [stdout] | [INFO] [stdout] 335 | / CustomMessage { [INFO] [stdout] 336 | | /// Id of the peer the message came from. [INFO] [stdout] 337 | | peer_id: PeerId, [INFO] [stdout] 338 | | /// Message that has been received. [INFO] [stdout] 339 | | message: String, [INFO] [stdout] 340 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/foreign_network.rs:843:12 [INFO] [stdout] | [INFO] [stdout] 843 | pub fn new(protocol: String) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `id` [INFO] [stdout] --> src/foreign_network.rs:851:12 [INFO] [stdout] | [INFO] [stdout] 851 | pub fn id(&self) -> String { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `protocol_id` [INFO] [stdout] --> src/foreign_network.rs:948:5 [INFO] [stdout] | [INFO] [stdout] 948 | protocol_id: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `protocol_id` [INFO] [stdout] --> src/foreign_network.rs:957:12 [INFO] [stdout] | [INFO] [stdout] 957 | pub fn protocol_id(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:1392:29 [INFO] [stdout] | [INFO] [stdout] 1392 | ... foreign_sender.send(msg); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | / match framed_stdin.poll().expect("Error while polling stdin") { [INFO] [stdout] 96 | | Async::Ready(Some(line)) => { [INFO] [stdout] 97 | | info!("Stdin: {}", line); [INFO] [stdout] 98 | | let result = sender.send(line); [INFO] [stdout] ... | [INFO] [stdout] 105 | | } [INFO] [stdout] 106 | | }; [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 56 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 25s [INFO] running `Command { std: "docker" "inspect" "b1fe6700642f388b7c3aa28da77b435766427b9b1079b7f1f4e1065d28505143", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1fe6700642f388b7c3aa28da77b435766427b9b1079b7f1f4e1065d28505143", kill_on_drop: false }` [INFO] [stdout] b1fe6700642f388b7c3aa28da77b435766427b9b1079b7f1f4e1065d28505143 [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 3f357067bac28f2600acf282543662e570555244c20e2b6959e3dcc84b6e47ee [INFO] running `Command { std: "docker" "start" "-a" "3f357067bac28f2600acf282543662e570555244c20e2b6959e3dcc84b6e47ee", kill_on_drop: false }` [INFO] [stderr] Compiling network-sharding-demo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/network.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::client::{self, Client, ParseMessage, Message}; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FramedRead`, `LinesCodec` [INFO] [stdout] --> src/network.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Receiver`, `Sender`, `TryRecvError`, `self as channel` [INFO] [stdout] --> src/network.rs:34:25 [INFO] [stdout] | [INFO] [stdout] 34 | use crossbeam_channel::{self as channel, Receiver, Sender, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^^^^^^^ ^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLock` [INFO] [stdout] --> src/network.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | use parking_lot::{Mutex, RwLock}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RunCmd` [INFO] [stdout] --> src/bootnodes_router.rs:1:41 [INFO] [stdout] | [INFO] [stdout] 1 | use crate::params::{BootNodesRouterCmd, RunCmd}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `debug`, `trace`, `warn` [INFO] [stdout] --> src/bootnodes_router.rs:5:11 [INFO] [stdout] | [INFO] [stdout] 5 | use log::{debug, info, trace, warn}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `self` [INFO] [stdout] --> src/foreign_network.rs:3:21 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::client::{self, Client, ParseMessage, Message}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `FramedRead`, `LinesCodec` [INFO] [stdout] --> src/foreign_network.rs:13:35 [INFO] [stdout] | [INFO] [stdout] 13 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `RwLock` [INFO] [stdout] --> src/foreign_network.rs:34:26 [INFO] [stdout] | [INFO] [stdout] 34 | use parking_lot::{Mutex, RwLock}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `TryRecvError` [INFO] [stdout] --> src/client.rs:1:60 [INFO] [stdout] | [INFO] [stdout] 1 | use crossbeam_channel::{self as channel, Receiver, Sender, TryRecvError}; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `cmp`, `time::Duration` [INFO] [stdout] --> src/client.rs:2:19 [INFO] [stdout] | [INFO] [stdout] 2 | use std::{thread, cmp, time::Duration}; [INFO] [stdout] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `stream::Fuse`, `stream` [INFO] [stdout] --> src/client.rs:3:35 [INFO] [stdout] | [INFO] [stdout] 3 | use futures::{prelude::*, future, stream, Stream, stream::Fuse}; [INFO] [stdout] | ^^^^^^ ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Framed` [INFO] [stdout] --> src/client.rs:4:27 [INFO] [stdout] | [INFO] [stdout] 4 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable expression [INFO] [stdout] --> src/network.rs:1400:17 [INFO] [stdout] | [INFO] [stdout] 1386 | / loop { [INFO] [stdout] 1387 | | stdin_notify.register(); [INFO] [stdout] 1388 | | match stdin_receiver.try_recv() { [INFO] [stdout] 1389 | | Ok(msg) => { [INFO] [stdout] ... | [INFO] [stdout] 1398 | | } [INFO] [stdout] 1399 | | } [INFO] [stdout] | |_________________- any code following this expression is unreachable [INFO] [stdout] 1400 | Ok(Async::NotReady) [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/foreign_network.rs:1467:17 [INFO] [stdout] | [INFO] [stdout] 1456 | / loop { [INFO] [stdout] 1457 | | foreign_notify.register(); [INFO] [stdout] 1458 | | match foreign_receiver.try_recv() { [INFO] [stdout] 1459 | | Ok(msg) => { [INFO] [stdout] ... | [INFO] [stdout] 1465 | | } [INFO] [stdout] 1466 | | } [INFO] [stdout] | |_________________- any code following this expression is unreachable [INFO] [stdout] 1467 | Ok(Async::NotReady) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/network.rs:77:23 [INFO] [stdout] | [INFO] [stdout] 77 | for (peer_id, addr) in &bootnodes { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/network.rs:841:9 [INFO] [stdout] | [INFO] [stdout] 841 | info: Self::Info, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/network.rs:873:9 [INFO] [stdout] | [INFO] [stdout] 873 | info: Self::Info, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/network.rs:1384:13 [INFO] [stdout] | [INFO] [stdout] 1384 | let thread = thread::Builder::new().name("stdin_channel".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/network.rs:1406:13 [INFO] [stdout] | [INFO] [stdout] 1406 | let thread = thread::Builder::new().name("network".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/bootnodes_router.rs:52:9 [INFO] [stdout] | [INFO] [stdout] 52 | let thread = thread::Builder::new().name("bootnodes_router".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `e` [INFO] [stdout] --> src/bootnodes_router.rs:100:17 [INFO] [stdout] | [INFO] [stdout] 100 | Err(e) => { continue; } [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `addr` [INFO] [stdout] --> src/foreign_network.rs:76:23 [INFO] [stdout] | [INFO] [stdout] 76 | for (peer_id, addr) in &bootnodes { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/foreign_network.rs:885:9 [INFO] [stdout] | [INFO] [stdout] 885 | info: Self::Info, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `info` [INFO] [stdout] --> src/foreign_network.rs:917:9 [INFO] [stdout] | [INFO] [stdout] 917 | info: Self::Info, [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/foreign_network.rs:1454:13 [INFO] [stdout] | [INFO] [stdout] 1454 | let thread = thread::Builder::new().name("foreign_channel".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/foreign_network.rs:1473:13 [INFO] [stdout] | [INFO] [stdout] 1473 | let thread = thread::Builder::new().name("foreign_network".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shard_num` [INFO] [stdout] --> src/foreign_network.rs:1506:13 [INFO] [stdout] | [INFO] [stdout] 1506 | let shard_num = self.cmd.shard_num; [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shard_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `shard_num` [INFO] [stdout] --> src/foreign_network.rs:1518:22 [INFO] [stdout] | [INFO] [stdout] 1518 | for (shard_num, shard) in shards { [INFO] [stdout] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shard_num` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `thread` [INFO] [stdout] --> src/client.rs:92:13 [INFO] [stdout] | [INFO] [stdout] 92 | let thread = thread::Builder::new().name("client".to_string()).spawn(move || { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/network.rs:849:13 [INFO] [stdout] | [INFO] [stdout] 849 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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/network.rs:877:13 [INFO] [stdout] | [INFO] [stdout] 877 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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] --> src/network.rs:1363:17 [INFO] [stdout] | [INFO] [stdout] 1363 | let mut behavior = Behavior::new(protocol_version, user_agent, local_public, bootnodes, self.cmd.shard_num); [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] --> src/network.rs:1443:13 [INFO] [stdout] | [INFO] [stdout] 1443 | let mut shards: HashMap; [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] --> src/foreign_network.rs:200:13 [INFO] [stdout] | [INFO] [stdout] 200 | let mut of_shard = self.peers.entry(shard_num).or_insert(FnvHashMap::default()); [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] --> src/foreign_network.rs:893:13 [INFO] [stdout] | [INFO] [stdout] 893 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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] --> src/foreign_network.rs:921:13 [INFO] [stdout] | [INFO] [stdout] 921 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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] --> src/foreign_network.rs:1107:25 [INFO] [stdout] | [INFO] [stdout] 1107 | if let Some(mut a) = self.peers.get_mut(shard_num) { [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] --> src/foreign_network.rs:1436:17 [INFO] [stdout] | [INFO] [stdout] 1436 | let mut behavior = Behavior::new(protocol_version, user_agent, local_public, bootnodes, self.cmd.shard_num); [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] --> src/foreign_network.rs:1510:13 [INFO] [stdout] | [INFO] [stdout] 1510 | let mut shards: HashMap; [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkOpen` [INFO] [stdout] --> src/network.rs:273:5 [INFO] [stdout] | [INFO] [stdout] 273 | / WorkOpen { [INFO] [stdout] 274 | | /// Version of the protocol that has been opened. [INFO] [stdout] 275 | | version: u8, [INFO] [stdout] 276 | | /// Id of the node we have opened a connection with. [INFO] [stdout] ... | [INFO] [stdout] 279 | | endpoint: ConnectedPoint, [INFO] [stdout] 280 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkClosed` [INFO] [stdout] --> src/network.rs:283:5 [INFO] [stdout] | [INFO] [stdout] 283 | / WorkClosed { [INFO] [stdout] 284 | | /// Id of the peer we were connected to. [INFO] [stdout] 285 | | peer_id: PeerId, [INFO] [stdout] 286 | | /// Reason why the substream closed, for debugging purposes. [INFO] [stdout] 287 | | reason: Cow<'static, str>, [INFO] [stdout] 288 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CustomMessage` [INFO] [stdout] --> src/network.rs:291:5 [INFO] [stdout] | [INFO] [stdout] 291 | / CustomMessage { [INFO] [stdout] 292 | | /// Id of the peer the message came from. [INFO] [stdout] 293 | | peer_id: PeerId, [INFO] [stdout] 294 | | /// Message that has been received. [INFO] [stdout] 295 | | message: String, [INFO] [stdout] 296 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/network.rs:799:12 [INFO] [stdout] | [INFO] [stdout] 799 | pub fn new(protocol: String) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `id` [INFO] [stdout] --> src/network.rs:807:12 [INFO] [stdout] | [INFO] [stdout] 807 | pub fn id(&self) -> String { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `protocol_id` [INFO] [stdout] --> src/network.rs:904:5 [INFO] [stdout] | [INFO] [stdout] 904 | protocol_id: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `protocol_id` [INFO] [stdout] --> src/network.rs:913:12 [INFO] [stdout] | [INFO] [stdout] 913 | pub fn protocol_id(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkOpen` [INFO] [stdout] --> src/foreign_network.rs:317:5 [INFO] [stdout] | [INFO] [stdout] 317 | / WorkOpen { [INFO] [stdout] 318 | | /// Version of the protocol that has been opened. [INFO] [stdout] 319 | | version: u8, [INFO] [stdout] 320 | | /// Id of the node we have opened a connection with. [INFO] [stdout] ... | [INFO] [stdout] 323 | | endpoint: ConnectedPoint, [INFO] [stdout] 324 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `WorkClosed` [INFO] [stdout] --> src/foreign_network.rs:327:5 [INFO] [stdout] | [INFO] [stdout] 327 | / WorkClosed { [INFO] [stdout] 328 | | /// Id of the peer we were connected to. [INFO] [stdout] 329 | | peer_id: PeerId, [INFO] [stdout] 330 | | /// Reason why the substream closed, for debugging purposes. [INFO] [stdout] 331 | | reason: Cow<'static, str>, [INFO] [stdout] 332 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant is never constructed: `CustomMessage` [INFO] [stdout] --> src/foreign_network.rs:335:5 [INFO] [stdout] | [INFO] [stdout] 335 | / CustomMessage { [INFO] [stdout] 336 | | /// Id of the peer the message came from. [INFO] [stdout] 337 | | peer_id: PeerId, [INFO] [stdout] 338 | | /// Message that has been received. [INFO] [stdout] 339 | | message: String, [INFO] [stdout] 340 | | }, [INFO] [stdout] | |_____^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/foreign_network.rs:843:12 [INFO] [stdout] | [INFO] [stdout] 843 | pub fn new(protocol: String) [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `id` [INFO] [stdout] --> src/foreign_network.rs:851:12 [INFO] [stdout] | [INFO] [stdout] 851 | pub fn id(&self) -> String { [INFO] [stdout] | ^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field is never read: `protocol_id` [INFO] [stdout] --> src/foreign_network.rs:948:5 [INFO] [stdout] | [INFO] [stdout] 948 | protocol_id: String, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `protocol_id` [INFO] [stdout] --> src/foreign_network.rs:957:12 [INFO] [stdout] | [INFO] [stdout] 957 | pub fn protocol_id(&self) -> &str { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/network.rs:1392:29 [INFO] [stdout] | [INFO] [stdout] 1392 | ... foreign_sender.send(msg); [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: unused `Result` that must be used [INFO] [stdout] --> src/client.rs:95:21 [INFO] [stdout] | [INFO] [stdout] 95 | / match framed_stdin.poll().expect("Error while polling stdin") { [INFO] [stdout] 96 | | Async::Ready(Some(line)) => { [INFO] [stdout] 97 | | info!("Stdin: {}", line); [INFO] [stdout] 98 | | let result = sender.send(line); [INFO] [stdout] ... | [INFO] [stdout] 105 | | } [INFO] [stdout] 106 | | }; [INFO] [stdout] | |______________________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 56 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 3.85s [INFO] running `Command { std: "docker" "inspect" "3f357067bac28f2600acf282543662e570555244c20e2b6959e3dcc84b6e47ee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f357067bac28f2600acf282543662e570555244c20e2b6959e3dcc84b6e47ee", kill_on_drop: false }` [INFO] [stdout] 3f357067bac28f2600acf282543662e570555244c20e2b6959e3dcc84b6e47ee [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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+46592174fb13958bb9a2aa0d7af6c1224e1d7143" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 88fff0490fdcfb5ab39b0a014f8032d2876d1ccb00853b74d0ff80434a49d384 [INFO] running `Command { std: "docker" "start" "-a" "88fff0490fdcfb5ab39b0a014f8032d2876d1ccb00853b74d0ff80434a49d384", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/network.rs:3:21 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::client::{self, Client, ParseMessage, Message}; [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FramedRead`, `LinesCodec` [INFO] [stderr] --> src/network.rs:13:35 [INFO] [stderr] | [INFO] [stderr] 13 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Receiver`, `Sender`, `TryRecvError`, `self as channel` [INFO] [stderr] --> src/network.rs:34:25 [INFO] [stderr] | [INFO] [stderr] 34 | use crossbeam_channel::{self as channel, Receiver, Sender, TryRecvError}; [INFO] [stderr] | ^^^^^^^^^^^^^^^ ^^^^^^^^ ^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RwLock` [INFO] [stderr] --> src/network.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | use parking_lot::{Mutex, RwLock}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RunCmd` [INFO] [stderr] --> src/bootnodes_router.rs:1:41 [INFO] [stderr] | [INFO] [stderr] 1 | use crate::params::{BootNodesRouterCmd, RunCmd}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `debug`, `trace`, `warn` [INFO] [stderr] --> src/bootnodes_router.rs:5:11 [INFO] [stderr] | [INFO] [stderr] 5 | use log::{debug, info, trace, warn}; [INFO] [stderr] | ^^^^^ ^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `self` [INFO] [stderr] --> src/foreign_network.rs:3:21 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::client::{self, Client, ParseMessage, Message}; [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `FramedRead`, `LinesCodec` [INFO] [stderr] --> src/foreign_network.rs:13:35 [INFO] [stderr] | [INFO] [stderr] 13 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stderr] | ^^^^^^^^^^ ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `RwLock` [INFO] [stderr] --> src/foreign_network.rs:34:26 [INFO] [stderr] | [INFO] [stderr] 34 | use parking_lot::{Mutex, RwLock}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `TryRecvError` [INFO] [stderr] --> src/client.rs:1:60 [INFO] [stderr] | [INFO] [stderr] 1 | use crossbeam_channel::{self as channel, Receiver, Sender, TryRecvError}; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `cmp`, `time::Duration` [INFO] [stderr] --> src/client.rs:2:19 [INFO] [stderr] | [INFO] [stderr] 2 | use std::{thread, cmp, time::Duration}; [INFO] [stderr] | ^^^ ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `stream::Fuse`, `stream` [INFO] [stderr] --> src/client.rs:3:35 [INFO] [stderr] | [INFO] [stderr] 3 | use futures::{prelude::*, future, stream, Stream, stream::Fuse}; [INFO] [stderr] | ^^^^^^ ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Framed` [INFO] [stderr] --> src/client.rs:4:27 [INFO] [stderr] | [INFO] [stderr] 4 | use libp2p::tokio_codec::{Framed, FramedRead, LinesCodec}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/network.rs:1400:17 [INFO] [stderr] | [INFO] [stderr] 1386 | / loop { [INFO] [stderr] 1387 | | stdin_notify.register(); [INFO] [stderr] 1388 | | match stdin_receiver.try_recv() { [INFO] [stderr] 1389 | | Ok(msg) => { [INFO] [stderr] ... | [INFO] [stderr] 1398 | | } [INFO] [stderr] 1399 | | } [INFO] [stderr] | |_________________- any code following this expression is unreachable [INFO] [stderr] 1400 | Ok(Async::NotReady) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unreachable_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unreachable expression [INFO] [stderr] --> src/foreign_network.rs:1467:17 [INFO] [stderr] | [INFO] [stderr] 1456 | / loop { [INFO] [stderr] 1457 | | foreign_notify.register(); [INFO] [stderr] 1458 | | match foreign_receiver.try_recv() { [INFO] [stderr] 1459 | | Ok(msg) => { [INFO] [stderr] ... | [INFO] [stderr] 1465 | | } [INFO] [stderr] 1466 | | } [INFO] [stderr] | |_________________- any code following this expression is unreachable [INFO] [stderr] 1467 | Ok(Async::NotReady) [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ unreachable expression [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/network.rs:77:23 [INFO] [stderr] | [INFO] [stderr] 77 | for (peer_id, addr) in &bootnodes { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `info` [INFO] [stderr] --> src/network.rs:841:9 [INFO] [stderr] | [INFO] [stderr] 841 | info: Self::Info, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `info` [INFO] [stderr] --> src/network.rs:873:9 [INFO] [stderr] | [INFO] [stderr] 873 | info: Self::Info, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread` [INFO] [stderr] --> src/network.rs:1384:13 [INFO] [stderr] | [INFO] [stderr] 1384 | let thread = thread::Builder::new().name("stdin_channel".to_string()).spawn(move || { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread` [INFO] [stderr] --> src/network.rs:1406:13 [INFO] [stderr] | [INFO] [stderr] 1406 | let thread = thread::Builder::new().name("network".to_string()).spawn(move || { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread` [INFO] [stderr] --> src/bootnodes_router.rs:52:9 [INFO] [stderr] | [INFO] [stderr] 52 | let thread = thread::Builder::new().name("bootnodes_router".to_string()).spawn(move || { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `e` [INFO] [stderr] --> src/bootnodes_router.rs:100:17 [INFO] [stderr] | [INFO] [stderr] 100 | Err(e) => { continue; } [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_e` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `addr` [INFO] [stderr] --> src/foreign_network.rs:76:23 [INFO] [stderr] | [INFO] [stderr] 76 | for (peer_id, addr) in &bootnodes { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_addr` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `info` [INFO] [stderr] --> src/foreign_network.rs:885:9 [INFO] [stderr] | [INFO] [stderr] 885 | info: Self::Info, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `info` [INFO] [stderr] --> src/foreign_network.rs:917:9 [INFO] [stderr] | [INFO] [stderr] 917 | info: Self::Info, [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_info` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread` [INFO] [stderr] --> src/foreign_network.rs:1454:13 [INFO] [stderr] | [INFO] [stderr] 1454 | let thread = thread::Builder::new().name("foreign_channel".to_string()).spawn(move || { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread` [INFO] [stderr] --> src/foreign_network.rs:1473:13 [INFO] [stderr] | [INFO] [stderr] 1473 | let thread = thread::Builder::new().name("foreign_network".to_string()).spawn(move || { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shard_num` [INFO] [stderr] --> src/foreign_network.rs:1506:13 [INFO] [stderr] | [INFO] [stderr] 1506 | let shard_num = self.cmd.shard_num; [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shard_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `shard_num` [INFO] [stderr] --> src/foreign_network.rs:1518:22 [INFO] [stderr] | [INFO] [stderr] 1518 | for (shard_num, shard) in shards { [INFO] [stderr] | ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_shard_num` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `thread` [INFO] [stderr] --> src/client.rs:92:13 [INFO] [stderr] | [INFO] [stderr] 92 | let thread = thread::Builder::new().name("client".to_string()).spawn(move || { [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_thread` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/network.rs:849:13 [INFO] [stderr] | [INFO] [stderr] 849 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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/network.rs:877:13 [INFO] [stderr] | [INFO] [stderr] 877 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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/network.rs:1363:17 [INFO] [stderr] | [INFO] [stderr] 1363 | let mut behavior = Behavior::new(protocol_version, user_agent, local_public, bootnodes, self.cmd.shard_num); [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/network.rs:1443:13 [INFO] [stderr] | [INFO] [stderr] 1443 | let mut shards: HashMap; [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/foreign_network.rs:200:13 [INFO] [stderr] | [INFO] [stderr] 200 | let mut of_shard = self.peers.entry(shard_num).or_insert(FnvHashMap::default()); [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/foreign_network.rs:893:13 [INFO] [stderr] | [INFO] [stderr] 893 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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/foreign_network.rs:921:13 [INFO] [stderr] | [INFO] [stderr] 921 | let mut inner: Fuse, UviBytes>>> = framed.fuse(); [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/foreign_network.rs:1107:25 [INFO] [stderr] | [INFO] [stderr] 1107 | if let Some(mut a) = self.peers.get_mut(shard_num) { [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/foreign_network.rs:1436:17 [INFO] [stderr] | [INFO] [stderr] 1436 | let mut behavior = Behavior::new(protocol_version, user_agent, local_public, bootnodes, self.cmd.shard_num); [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/foreign_network.rs:1510:13 [INFO] [stderr] | [INFO] [stderr] 1510 | let mut shards: HashMap; [INFO] [stderr] | ----^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `WorkOpen` [INFO] [stderr] --> src/network.rs:273:5 [INFO] [stderr] | [INFO] [stderr] 273 | / WorkOpen { [INFO] [stderr] 274 | | /// Version of the protocol that has been opened. [INFO] [stderr] 275 | | version: u8, [INFO] [stderr] 276 | | /// Id of the node we have opened a connection with. [INFO] [stderr] ... | [INFO] [stderr] 279 | | endpoint: ConnectedPoint, [INFO] [stderr] 280 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `WorkClosed` [INFO] [stderr] --> src/network.rs:283:5 [INFO] [stderr] | [INFO] [stderr] 283 | / WorkClosed { [INFO] [stderr] 284 | | /// Id of the peer we were connected to. [INFO] [stderr] 285 | | peer_id: PeerId, [INFO] [stderr] 286 | | /// Reason why the substream closed, for debugging purposes. [INFO] [stderr] 287 | | reason: Cow<'static, str>, [INFO] [stderr] 288 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CustomMessage` [INFO] [stderr] --> src/network.rs:291:5 [INFO] [stderr] | [INFO] [stderr] 291 | / CustomMessage { [INFO] [stderr] 292 | | /// Id of the peer the message came from. [INFO] [stderr] 293 | | peer_id: PeerId, [INFO] [stderr] 294 | | /// Message that has been received. [INFO] [stderr] 295 | | message: String, [INFO] [stderr] 296 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/network.rs:799:12 [INFO] [stderr] | [INFO] [stderr] 799 | pub fn new(protocol: String) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `id` [INFO] [stderr] --> src/network.rs:807:12 [INFO] [stderr] | [INFO] [stderr] 807 | pub fn id(&self) -> String { [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `protocol_id` [INFO] [stderr] --> src/network.rs:904:5 [INFO] [stderr] | [INFO] [stderr] 904 | protocol_id: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `protocol_id` [INFO] [stderr] --> src/network.rs:913:12 [INFO] [stderr] | [INFO] [stderr] 913 | pub fn protocol_id(&self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `WorkOpen` [INFO] [stderr] --> src/foreign_network.rs:317:5 [INFO] [stderr] | [INFO] [stderr] 317 | / WorkOpen { [INFO] [stderr] 318 | | /// Version of the protocol that has been opened. [INFO] [stderr] 319 | | version: u8, [INFO] [stderr] 320 | | /// Id of the node we have opened a connection with. [INFO] [stderr] ... | [INFO] [stderr] 323 | | endpoint: ConnectedPoint, [INFO] [stderr] 324 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `WorkClosed` [INFO] [stderr] --> src/foreign_network.rs:327:5 [INFO] [stderr] | [INFO] [stderr] 327 | / WorkClosed { [INFO] [stderr] 328 | | /// Id of the peer we were connected to. [INFO] [stderr] 329 | | peer_id: PeerId, [INFO] [stderr] 330 | | /// Reason why the substream closed, for debugging purposes. [INFO] [stderr] 331 | | reason: Cow<'static, str>, [INFO] [stderr] 332 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `CustomMessage` [INFO] [stderr] --> src/foreign_network.rs:335:5 [INFO] [stderr] | [INFO] [stderr] 335 | / CustomMessage { [INFO] [stderr] 336 | | /// Id of the peer the message came from. [INFO] [stderr] 337 | | peer_id: PeerId, [INFO] [stderr] 338 | | /// Message that has been received. [INFO] [stderr] 339 | | message: String, [INFO] [stderr] 340 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> src/foreign_network.rs:843:12 [INFO] [stderr] | [INFO] [stderr] 843 | pub fn new(protocol: String) [INFO] [stderr] | ^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `id` [INFO] [stderr] --> src/foreign_network.rs:851:12 [INFO] [stderr] | [INFO] [stderr] 851 | pub fn id(&self) -> String { [INFO] [stderr] | ^^ [INFO] [stderr] [INFO] [stderr] warning: field is never read: `protocol_id` [INFO] [stderr] --> src/foreign_network.rs:948:5 [INFO] [stderr] | [INFO] [stderr] 948 | protocol_id: String, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `protocol_id` [INFO] [stderr] --> src/foreign_network.rs:957:12 [INFO] [stderr] | [INFO] [stderr] 957 | pub fn protocol_id(&self) -> &str { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/network.rs:1392:29 [INFO] [stderr] | [INFO] [stderr] 1392 | ... foreign_sender.send(msg); [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: unused `Result` that must be used [INFO] [stderr] --> src/client.rs:95:21 [INFO] [stderr] | [INFO] [stderr] 95 | / match framed_stdin.poll().expect("Error while polling stdin") { [INFO] [stderr] 96 | | Async::Ready(Some(line)) => { [INFO] [stderr] 97 | | info!("Stdin: {}", line); [INFO] [stderr] 98 | | let result = sender.send(line); [INFO] [stderr] ... | [INFO] [stderr] 105 | | } [INFO] [stderr] 106 | | }; [INFO] [stderr] | |______________________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 56 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.32s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/network_sharding_demo-0c4a256545640c37) [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "88fff0490fdcfb5ab39b0a014f8032d2876d1ccb00853b74d0ff80434a49d384", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "88fff0490fdcfb5ab39b0a014f8032d2876d1ccb00853b74d0ff80434a49d384", kill_on_drop: false }` [INFO] [stdout] 88fff0490fdcfb5ab39b0a014f8032d2876d1ccb00853b74d0ff80434a49d384