[INFO] cloning repository https://github.com/theghostmac/raft-consensus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/theghostmac/raft-consensus" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheghostmac%2Fraft-consensus", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheghostmac%2Fraft-consensus'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f56f663304e714512e99cde0c49997730c8f376
[INFO] testing theghostmac/raft-consensus against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheghostmac%2Fraft-consensus" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/theghostmac/raft-consensus
[INFO] finished tweaking git repo https://github.com/theghostmac/raft-consensus
[INFO] tweaked toml for git repo https://github.com/theghostmac/raft-consensus written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theghostmac/raft-consensus on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/theghostmac/raft-consensus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bb510790baae06b0863f94a910ec31db1ce54b3d2bd5ea33197d7bfbaea4e338
[INFO] running `Command { std: "docker" "start" "-a" "bb510790baae06b0863f94a910ec31db1ce54b3d2bd5ea33197d7bfbaea4e338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bb510790baae06b0863f94a910ec31db1ce54b3d2bd5ea33197d7bfbaea4e338", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb510790baae06b0863f94a910ec31db1ce54b3d2bd5ea33197d7bfbaea4e338", kill_on_drop: false }`
[INFO] [stdout] bb510790baae06b0863f94a910ec31db1ce54b3d2bd5ea33197d7bfbaea4e338
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e8b1fd6fbff79f089b9b8834aa8a8b36018f451918dd0efe33cec28f8a791c1a
[INFO] running `Command { std: "docker" "start" "-a" "e8b1fd6fbff79f089b9b8834aa8a8b36018f451918dd0efe33cec28f8a791c1a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling memchr v2.7.2
[INFO] [stderr]    Compiling regex-syntax v0.8.3
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]    Compiling log v0.4.21
[INFO] [stderr]    Compiling bytes v1.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling signal-hook-registry v1.4.2
[INFO] [stderr]    Compiling socket2 v0.5.7
[INFO] [stderr]    Compiling parking_lot v0.12.2
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]    Compiling regex-automata v0.4.6
[INFO] [stderr]    Compiling regex v1.10.4
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling tokio v1.37.0
[INFO] [stderr]    Compiling raft-consensus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `LogEntry`
[INFO] [stdout]  --> src/raft/node.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::raft::log::{Log, LogEntry};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/raft/node.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         for peer in &self.peers {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote`
[INFO] [stdout]   --> src/raft/node.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let request_vote = request_vote.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/raft/node.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for peer in &self.peers {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `append_entries`
[INFO] [stdout]    --> src/raft/node.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let append_entries = append_entries.clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_append_entries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RaftConfig` is never constructed
[INFO] [stdout]  --> src/raft/config.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct RaftConfig {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_request_vote` is never used
[INFO] [stdout]  --> src/raft/election.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_request_vote(&mut self, request: RequestVote) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogEntry` is never constructed
[INFO] [stdout]  --> src/raft/log.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LogEntry {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Log` is never constructed
[INFO] [stdout]  --> src/raft/log.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Log {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `append`, `last_entry`, `last_index`, and `last_term` are never used
[INFO] [stdout]   --> src/raft/log.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Log {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn append(&mut self, entry: LogEntry) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn last_entry(&self) -> Option<&LogEntry> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn last_index(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn last_term(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RaftNode` is never constructed
[INFO] [stdout]  --> src/raft/node.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct RaftNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `start`, `run`, `run_follower`, `run_candidate`, and `run_leader` are never used
[INFO] [stdout]    --> src/raft/node.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl RaftNode {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  24 |     pub fn new(config: RaftConfig, id: u64, peers: Vec<u64>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  43 |     pub async fn start(&mut self) {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  48 |     async fn run(&mut self) {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     async fn run_follower(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     async fn run_candidate(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     async fn run_leader(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_append_entries` is never used
[INFO] [stdout]  --> src/raft/replication.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_append_entries(&mut self, request: AppendEntries) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]  --> src/raft/state.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum State {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RequestVote` is never constructed
[INFO] [stdout]  --> src/raft/rpc.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct RequestVote {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AppendEntries` is never constructed
[INFO] [stdout]   --> src/raft/rpc.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AppendEntries {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_request_vote` and `send_append_entries` are never used
[INFO] [stdout]   --> src/network/client.rs:8:18
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl RaftNode {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout]  8 |     pub async fn send_request_vote(&self, peer: &str, request_vote: RequestVote) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub async fn send_append_entries(&self, peer: &str, append_entries: AppendEntries) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start_server` is never used
[INFO] [stdout]  --> src/network/server.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 8 |     pub async fn start_server(&mut self) {
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LogEntry`
[INFO] [stdout]  --> src/raft/node.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::raft::log::{Log, LogEntry};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/raft/node.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         for peer in &self.peers {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote`
[INFO] [stdout]   --> src/raft/node.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let request_vote = request_vote.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/raft/node.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for peer in &self.peers {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `append_entries`
[INFO] [stdout]    --> src/raft/node.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let append_entries = append_entries.clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_append_entries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_request_vote` is never used
[INFO] [stdout]  --> src/raft/election.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_request_vote(&mut self, request: RequestVote) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `append`, `last_entry`, `last_index`, and `last_term` are never used
[INFO] [stdout]   --> src/raft/log.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Log {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn append(&mut self, entry: LogEntry) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn last_entry(&self) -> Option<&LogEntry> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn last_index(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn last_term(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config` and `last_applied` are never read
[INFO] [stdout]   --> src/raft/node.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct RaftNode {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 10 |     config: RaftConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     last_applied: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_append_entries` is never used
[INFO] [stdout]  --> src/raft/replication.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_append_entries(&mut self, request: AppendEntries) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_request_vote` and `send_append_entries` are never used
[INFO] [stdout]   --> src/network/client.rs:8:18
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl RaftNode {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout]  8 |     pub async fn send_request_vote(&self, peer: &str, request_vote: RequestVote) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub async fn send_append_entries(&self, peer: &str, append_entries: AppendEntries) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start_server` is never used
[INFO] [stdout]  --> src/network/server.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 8 |     pub async fn start_server(&mut self) {
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.79s
[INFO] running `Command { std: "docker" "inspect" "e8b1fd6fbff79f089b9b8834aa8a8b36018f451918dd0efe33cec28f8a791c1a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8b1fd6fbff79f089b9b8834aa8a8b36018f451918dd0efe33cec28f8a791c1a", kill_on_drop: false }`
[INFO] [stdout] e8b1fd6fbff79f089b9b8834aa8a8b36018f451918dd0efe33cec28f8a791c1a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ae3ae78c452c2654e4ef13b69984f5187f1fabbc7787fdb40461ae05598217d3
[INFO] running `Command { std: "docker" "start" "-a" "ae3ae78c452c2654e4ef13b69984f5187f1fabbc7787fdb40461ae05598217d3", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `LogEntry`
[INFO] [stdout]  --> src/raft/node.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::raft::log::{Log, LogEntry};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling raft-consensus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/raft/node.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         for peer in &self.peers {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote`
[INFO] [stdout]   --> src/raft/node.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let request_vote = request_vote.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/raft/node.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for peer in &self.peers {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `append_entries`
[INFO] [stdout]    --> src/raft/node.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let append_entries = append_entries.clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_append_entries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RaftConfig` is never constructed
[INFO] [stdout]  --> src/raft/config.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct RaftConfig {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_request_vote` is never used
[INFO] [stdout]  --> src/raft/election.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_request_vote(&mut self, request: RequestVote) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogEntry` is never constructed
[INFO] [stdout]  --> src/raft/log.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LogEntry {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Log` is never constructed
[INFO] [stdout]  --> src/raft/log.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Log {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `append`, `last_entry`, `last_index`, and `last_term` are never used
[INFO] [stdout]   --> src/raft/log.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Log {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn append(&mut self, entry: LogEntry) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn last_entry(&self) -> Option<&LogEntry> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn last_index(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn last_term(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RaftNode` is never constructed
[INFO] [stdout]  --> src/raft/node.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct RaftNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `start`, `run`, `run_follower`, `run_candidate`, and `run_leader` are never used
[INFO] [stdout]    --> src/raft/node.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl RaftNode {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  24 |     pub fn new(config: RaftConfig, id: u64, peers: Vec<u64>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  43 |     pub async fn start(&mut self) {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  48 |     async fn run(&mut self) {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     async fn run_follower(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     async fn run_candidate(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     async fn run_leader(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_append_entries` is never used
[INFO] [stdout]  --> src/raft/replication.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_append_entries(&mut self, request: AppendEntries) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]  --> src/raft/state.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum State {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RequestVote` is never constructed
[INFO] [stdout]  --> src/raft/rpc.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct RequestVote {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AppendEntries` is never constructed
[INFO] [stdout]   --> src/raft/rpc.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AppendEntries {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_request_vote` and `send_append_entries` are never used
[INFO] [stdout]   --> src/network/client.rs:8:18
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl RaftNode {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout]  8 |     pub async fn send_request_vote(&self, peer: &str, request_vote: RequestVote) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub async fn send_append_entries(&self, peer: &str, append_entries: AppendEntries) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start_server` is never used
[INFO] [stdout]  --> src/network/server.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 8 |     pub async fn start_server(&mut self) {
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LogEntry`
[INFO] [stdout]  --> src/raft/node.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::raft::log::{Log, LogEntry};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `LogEntry`
[INFO] [stdout]  --> src/raft/node.rs:5:29
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::raft::log::{Log, LogEntry};
[INFO] [stdout]   |                             ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/raft/node.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         for peer in &self.peers {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote`
[INFO] [stdout]   --> src/raft/node.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let request_vote = request_vote.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/raft/node.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for peer in &self.peers {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `append_entries`
[INFO] [stdout]    --> src/raft/node.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let append_entries = append_entries.clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_append_entries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]   --> src/raft/node.rs:95:13
[INFO] [stdout]    |
[INFO] [stdout] 95 |         for peer in &self.peers {
[INFO] [stdout]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote`
[INFO] [stdout]   --> src/raft/node.rs:97:17
[INFO] [stdout]    |
[INFO] [stdout] 97 |             let request_vote = request_vote.clone();
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `peer`
[INFO] [stdout]    --> src/raft/node.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for peer in &self.peers {
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `append_entries`
[INFO] [stdout]    --> src/raft/node.rs:140:17
[INFO] [stdout]     |
[INFO] [stdout] 140 |             let append_entries = append_entries.clone();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_append_entries`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RaftConfig` is never constructed
[INFO] [stdout]  --> src/raft/config.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub struct RaftConfig {
[INFO] [stdout]   |            ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_request_vote` is never used
[INFO] [stdout]  --> src/raft/election.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_request_vote(&mut self, request: RequestVote) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LogEntry` is never constructed
[INFO] [stdout]  --> src/raft/log.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct LogEntry {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Log` is never constructed
[INFO] [stdout]  --> src/raft/log.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct Log {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `append`, `last_entry`, `last_index`, and `last_term` are never used
[INFO] [stdout]   --> src/raft/log.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Log {
[INFO] [stdout]    | -------- associated items in this implementation
[INFO] [stdout] 14 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn append(&mut self, entry: LogEntry) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn last_entry(&self) -> Option<&LogEntry> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn last_index(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn last_term(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RaftNode` is never constructed
[INFO] [stdout]  --> src/raft/node.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub struct RaftNode {
[INFO] [stdout]   |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `start`, `run`, `run_follower`, `run_candidate`, and `run_leader` are never used
[INFO] [stdout]    --> src/raft/node.rs:24:12
[INFO] [stdout]     |
[INFO] [stdout]  23 | impl RaftNode {
[INFO] [stdout]     | ------------- associated items in this implementation
[INFO] [stdout]  24 |     pub fn new(config: RaftConfig, id: u64, peers: Vec<u64>) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] ...
[INFO] [stdout]  43 |     pub async fn start(&mut self) {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  48 |     async fn run(&mut self) {
[INFO] [stdout]     |              ^^^
[INFO] [stdout] ...
[INFO] [stdout]  67 |     async fn run_follower(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  79 |     async fn run_candidate(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 128 |     async fn run_leader(&mut self) {
[INFO] [stdout]     |              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_append_entries` is never used
[INFO] [stdout]  --> src/raft/replication.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_append_entries(&mut self, request: AppendEntries) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `State` is never used
[INFO] [stdout]  --> src/raft/state.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum State {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RequestVote` is never constructed
[INFO] [stdout]  --> src/raft/rpc.rs:5:12
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct RequestVote {
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `AppendEntries` is never constructed
[INFO] [stdout]   --> src/raft/rpc.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct AppendEntries {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_request_vote` and `send_append_entries` are never used
[INFO] [stdout]   --> src/network/client.rs:8:18
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl RaftNode {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout]  8 |     pub async fn send_request_vote(&self, peer: &str, request_vote: RequestVote) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub async fn send_append_entries(&self, peer: &str, append_entries: AppendEntries) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start_server` is never used
[INFO] [stdout]  --> src/network/server.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 8 |     pub async fn start_server(&mut self) {
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_request_vote` is never used
[INFO] [stdout]  --> src/raft/election.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_request_vote(&mut self, request: RequestVote) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `append`, `last_entry`, `last_index`, and `last_term` are never used
[INFO] [stdout]   --> src/raft/log.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Log {
[INFO] [stdout]    | -------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub fn append(&mut self, entry: LogEntry) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 22 |     pub fn last_entry(&self) -> Option<&LogEntry> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn last_index(&self) -> u64 {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 30 |     pub fn last_term(&self) -> Option<u64> {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `config` and `last_applied` are never read
[INFO] [stdout]   --> src/raft/node.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct RaftNode {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] 10 |     config: RaftConfig,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     last_applied: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_append_entries` is never used
[INFO] [stdout]  --> src/raft/replication.rs:5:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 5 |     pub async fn handle_append_entries(&mut self, request: AppendEntries) -> bool {
[INFO] [stdout]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `send_request_vote` and `send_append_entries` are never used
[INFO] [stdout]   --> src/network/client.rs:8:18
[INFO] [stdout]    |
[INFO] [stdout]  7 | impl RaftNode {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout]  8 |     pub async fn send_request_vote(&self, peer: &str, request_vote: RequestVote) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub async fn send_append_entries(&self, peer: &str, append_entries: AppendEntries) -> bool {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `start_server` is never used
[INFO] [stdout]  --> src/network/server.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | impl RaftNode {
[INFO] [stdout]   | ------------- method in this implementation
[INFO] [stdout] 8 |     pub async fn start_server(&mut self) {
[INFO] [stdout]   |                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "ae3ae78c452c2654e4ef13b69984f5187f1fabbc7787fdb40461ae05598217d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3ae78c452c2654e4ef13b69984f5187f1fabbc7787fdb40461ae05598217d3", kill_on_drop: false }`
[INFO] [stdout] ae3ae78c452c2654e4ef13b69984f5187f1fabbc7787fdb40461ae05598217d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 46e0a65243e360a25a11a1cdcc3b7990f20ad3f58270e9d57b69ee32bc58d19e
[INFO] running `Command { std: "docker" "start" "-a" "46e0a65243e360a25a11a1cdcc3b7990f20ad3f58270e9d57b69ee32bc58d19e", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `LogEntry`
[INFO] [stderr]  --> src/raft/node.rs:5:29
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::raft::log::{Log, LogEntry};
[INFO] [stderr]   |                             ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]   --> src/raft/node.rs:95:13
[INFO] [stderr]    |
[INFO] [stderr] 95 |         for peer in &self.peers {
[INFO] [stderr]    |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `request_vote`
[INFO] [stderr]   --> src/raft/node.rs:97:17
[INFO] [stderr]    |
[INFO] [stderr] 97 |             let request_vote = request_vote.clone();
[INFO] [stderr]    |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `peer`
[INFO] [stderr]    --> src/raft/node.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |         for peer in &self.peers {
[INFO] [stderr]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_peer`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `append_entries`
[INFO] [stderr]    --> src/raft/node.rs:140:17
[INFO] [stderr]     |
[INFO] [stderr] 140 |             let append_entries = append_entries.clone();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_append_entries`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RaftConfig` is never constructed
[INFO] [stderr]  --> src/raft/config.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub struct RaftConfig {
[INFO] [stderr]   |            ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `handle_request_vote` is never used
[INFO] [stderr]  --> src/raft/election.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl RaftNode {
[INFO] [stderr]   | ------------- method in this implementation
[INFO] [stderr] 5 |     pub async fn handle_request_vote(&mut self, request: RequestVote) -> bool {
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LogEntry` is never constructed
[INFO] [stderr]  --> src/raft/log.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct LogEntry {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Log` is never constructed
[INFO] [stderr]  --> src/raft/log.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct Log {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `append`, `last_entry`, `last_index`, and `last_term` are never used
[INFO] [stderr]   --> src/raft/log.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Log {
[INFO] [stderr]    | -------- associated items in this implementation
[INFO] [stderr] 14 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn append(&mut self, entry: LogEntry) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn last_entry(&self) -> Option<&LogEntry> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn last_index(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn last_term(&self) -> Option<u64> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RaftNode` is never constructed
[INFO] [stderr]  --> src/raft/node.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub struct RaftNode {
[INFO] [stderr]   |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `start`, `run`, `run_follower`, `run_candidate`, and `run_leader` are never used
[INFO] [stderr]    --> src/raft/node.rs:24:12
[INFO] [stderr]     |
[INFO] [stderr]  23 | impl RaftNode {
[INFO] [stderr]     | ------------- associated items in this implementation
[INFO] [stderr]  24 |     pub fn new(config: RaftConfig, id: u64, peers: Vec<u64>) -> Self {
[INFO] [stderr]     |            ^^^
[INFO] [stderr] ...
[INFO] [stderr]  43 |     pub async fn start(&mut self) {
[INFO] [stderr]     |                  ^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  48 |     async fn run(&mut self) {
[INFO] [stderr]     |              ^^^
[INFO] [stderr] ...
[INFO] [stderr]  67 |     async fn run_follower(&mut self) {
[INFO] [stderr]     |              ^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr]  79 |     async fn run_candidate(&mut self) {
[INFO] [stderr]     |              ^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 128 |     async fn run_leader(&mut self) {
[INFO] [stderr]     |              ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `handle_append_entries` is never used
[INFO] [stderr]  --> src/raft/replication.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl RaftNode {
[INFO] [stderr]   | ------------- method in this implementation
[INFO] [stderr] 5 |     pub async fn handle_append_entries(&mut self, request: AppendEntries) -> bool {
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `State` is never used
[INFO] [stderr]  --> src/raft/state.rs:2:10
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum State {
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RequestVote` is never constructed
[INFO] [stderr]  --> src/raft/rpc.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct RequestVote {
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `AppendEntries` is never constructed
[INFO] [stderr]   --> src/raft/rpc.rs:13:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | pub struct AppendEntries {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `send_request_vote` and `send_append_entries` are never used
[INFO] [stderr]   --> src/network/client.rs:8:18
[INFO] [stderr]    |
[INFO] [stderr]  7 | impl RaftNode {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr]  8 |     pub async fn send_request_vote(&self, peer: &str, request_vote: RequestVote) -> bool {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub async fn send_append_entries(&self, peer: &str, append_entries: AppendEntries) -> bool {
[INFO] [stderr]    |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `start_server` is never used
[INFO] [stderr]  --> src/network/server.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 7 | impl RaftNode {
[INFO] [stderr]   | ------------- method in this implementation
[INFO] [stderr] 8 |     pub async fn start_server(&mut self) {
[INFO] [stderr]   |                  ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `raft-consensus` (lib) generated 18 warnings (run `cargo fix --lib -p raft-consensus` to apply 1 suggestion)
[INFO] [stderr] warning: `raft-consensus` (lib test) generated 18 warnings (18 duplicates)
[INFO] [stderr] warning: method `handle_request_vote` is never used
[INFO] [stderr]  --> src/raft/election.rs:5:18
[INFO] [stderr]   |
[INFO] [stderr] 4 | impl RaftNode {
[INFO] [stderr]   | ------------- method in this implementation
[INFO] [stderr] 5 |     pub async fn handle_request_vote(&mut self, request: RequestVote) -> bool {
[INFO] [stderr]   |                  ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `append`, `last_entry`, `last_index`, and `last_term` are never used
[INFO] [stderr]   --> src/raft/log.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl Log {
[INFO] [stderr]    | -------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub fn append(&mut self, entry: LogEntry) {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 22 |     pub fn last_entry(&self) -> Option<&LogEntry> {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 26 |     pub fn last_index(&self) -> u64 {
[INFO] [stderr]    |            ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 30 |     pub fn last_term(&self) -> Option<u64> {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `config` and `last_applied` are never read
[INFO] [stderr]   --> src/raft/node.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct RaftNode {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] 10 |     config: RaftConfig,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 16 |     last_applied: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `raft-consensus` (bin "raft-consensus" test) generated 11 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/raft_consensus-a1c9163b9e4368c7)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/raft_consensus-f7bdfaf51c4f72f1)
[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] [stdout] 
[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] [stderr]    Doc-tests raft_consensus
[INFO] [stdout] 
[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" "46e0a65243e360a25a11a1cdcc3b7990f20ad3f58270e9d57b69ee32bc58d19e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46e0a65243e360a25a11a1cdcc3b7990f20ad3f58270e9d57b69ee32bc58d19e", kill_on_drop: false }`
[INFO] [stdout] 46e0a65243e360a25a11a1cdcc3b7990f20ad3f58270e9d57b69ee32bc58d19e