[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] checking theghostmac/raft-consensus against master#4b596bbd847672da87763b76171687d3544863c2 for pr-144544
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftheghostmac%2Fraft-consensus" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/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-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/theghostmac/raft-consensus on toolchain 4b596bbd847672da87763b76171687d3544863c2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "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" "+4b596bbd847672da87763b76171687d3544863c2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e3b5886529de9468888e66ac05cbe5d014a95c79c9f546ba5c9ec82e4095a1e
[INFO] running `Command { std: "docker" "start" "-a" "4e3b5886529de9468888e66ac05cbe5d014a95c79c9f546ba5c9ec82e4095a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e3b5886529de9468888e66ac05cbe5d014a95c79c9f546ba5c9ec82e4095a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3b5886529de9468888e66ac05cbe5d014a95c79c9f546ba5c9ec82e4095a1e", kill_on_drop: false }`
[INFO] [stdout] 4e3b5886529de9468888e66ac05cbe5d014a95c79c9f546ba5c9ec82e4095a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+4b596bbd847672da87763b76171687d3544863c2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f596fab7a5a2df6341df87acba5a0c3d483288fa229b4f470c899b24b5b713f
[INFO] running `Command { std: "docker" "start" "-a" "0f596fab7a5a2df6341df87acba5a0c3d483288fa229b4f470c899b24b5b713f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling proc-macro2 v1.0.83
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling autocfg v1.3.0
[INFO] [stderr]     Checking memchr v2.7.2
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling serde v1.0.202
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.8.3
[INFO] [stderr]    Compiling serde_json v1.0.117
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]     Checking bytes v1.6.0
[INFO] [stderr]     Checking pin-project-lite v0.2.14
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking itoa v1.0.11
[INFO] [stderr]     Checking ryu v1.0.18
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]    Compiling quote v1.0.36
[INFO] [stderr]    Compiling syn v2.0.65
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking socket2 v0.5.7
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]     Checking regex v1.10.4
[INFO] [stderr]     Checking env_logger v0.9.3
[INFO] [stderr]    Compiling serde_derive v1.0.202
[INFO] [stderr]    Compiling tokio-macros v2.2.0
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking 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)]` 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)]` 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)]` 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)]` 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)]` 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: 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)]` 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] [stderr] error: could not compile `raft-consensus` (lib test); 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/4b596bbd847672da87763b76171687d3544863c2/bin/rustc --crate-name raft_consensus --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=ab997d0c50189186 -C extra-filename=-b30141bc837f3d48 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d258f07ef7a75f8b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-6336f7e0658fb5a4.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1a642c1cccd84882.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-329e530428a0e25f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1d16c89670115810.rmeta --cap-lints=forbid` (exit status: 1)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` 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)]` 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)]` 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)]` 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] error: could not compile `raft-consensus` (bin "raft-consensus" test); 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/4b596bbd847672da87763b76171687d3544863c2/bin/rustc --crate-name raft_consensus --edition=2021 src/main.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=1d6585e2c8e80c34 -C extra-filename=-2ac44b25e138d0d9 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern env_logger=/opt/rustwide/target/debug/deps/libenv_logger-d258f07ef7a75f8b.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-6336f7e0658fb5a4.rmeta --extern raft_consensus=/opt/rustwide/target/debug/deps/libraft_consensus-6dc065b42cb8d346.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-1a642c1cccd84882.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-329e530428a0e25f.rmeta --extern tokio=/opt/rustwide/target/debug/deps/libtokio-1d16c89670115810.rmeta --cap-lints=forbid` (exit status: 0)
[INFO] running `Command { std: "docker" "inspect" "0f596fab7a5a2df6341df87acba5a0c3d483288fa229b4f470c899b24b5b713f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f596fab7a5a2df6341df87acba5a0c3d483288fa229b4f470c899b24b5b713f", kill_on_drop: false }`
[INFO] [stdout] 0f596fab7a5a2df6341df87acba5a0c3d483288fa229b4f470c899b24b5b713f