[INFO] crate d9d_consensus 0.1.0 is already in cache
[INFO] checking d9d_consensus-0.1.0 against master#bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc for pr-70917
[INFO] extracting crate d9d_consensus 0.1.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate d9d_consensus 0.1.0 on toolchain bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate d9d_consensus 0.1.0
[INFO] finished tweaking crates.io crate d9d_consensus 0.1.0
[INFO] tweaked toml for crates.io crate d9d_consensus 0.1.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+bf1f2eedda4fa02b7c9347dd849ed73ddd43dedc" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 7f884fb1b8ddbf30d3964beafe51d23a9d247bcf78f6df7abcac49d4c186a149
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "7f884fb1b8ddbf30d3964beafe51d23a9d247bcf78f6df7abcac49d4c186a149"`
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking d9d_consensus v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/raft/dfa.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn new(from: Term, to: Term) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/raft/dfa.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn new(from: Term, to: Term) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/raft/dfa.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn new(term: Term) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Candidate`
[INFO] [stderr]    --> src/raft/dfa.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     Candidate,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leader`
[INFO] [stderr]    --> src/raft/dfa.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     Leader,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]    --> src/raft/dfa.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     id: AutomatonRef,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]    --> src/raft/dfa.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     n: usize,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]    --> src/raft/dfa.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     state: State,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `term`
[INFO] [stderr]    --> src/raft/dfa.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     term: Term,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `votes`
[INFO] [stderr]    --> src/raft/dfa.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     votes: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pending`
[INFO] [stderr]    --> src/raft/dfa.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pending: HashMap<(Term, LogIndex), T>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `acks`
[INFO] [stderr]    --> src/raft/dfa.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     acks: HashMap<(Term, LogIndex), usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `log`
[INFO] [stderr]    --> src/raft/dfa.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     log: HashMap<LogIndex, T>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `timeout`
[INFO] [stderr]    --> src/raft/dfa.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn timeout(&mut self) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vote`
[INFO] [stderr]    --> src/raft/dfa.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn vote(&mut self, t: Term, v: AutomatonRef) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `append`
[INFO] [stderr]    --> src/raft/dfa.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn append(&mut self, t: Term, i: LogIndex, entry: T) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ack`
[INFO] [stderr]    --> src/raft/dfa.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn ack(&mut self, t: Term, i: LogIndex) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `commit`
[INFO] [stderr]    --> src/raft/dfa.rs:253:5
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn commit(&mut self, t: Term, i: LogIndex) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_change_leader`
[INFO] [stderr]    --> src/raft/dfa.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn try_change_leader(&mut self) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_fast_forward`
[INFO] [stderr]    --> src/raft/dfa.rs:285:5
[INFO] [stderr]     |
[INFO] [stderr] 285 |     fn try_fast_forward(&mut self, t: Term) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ignore_vote`
[INFO] [stderr]    --> src/raft/dfa.rs:302:5
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn ignore_vote(&self, t: Term, v: AutomatonRef, m: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ignore_append`
[INFO] [stderr]    --> src/raft/dfa.rs:306:5
[INFO] [stderr]     |
[INFO] [stderr] 306 |     fn ignore_append(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ignore_ack`
[INFO] [stderr]    --> src/raft/dfa.rs:310:5
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn ignore_ack(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ignore_commit`
[INFO] [stderr]    --> src/raft/dfa.rs:314:5
[INFO] [stderr]     |
[INFO] [stderr] 314 |     fn ignore_commit(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `automaton`
[INFO] [stderr]   --> src/raft/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     automaton: Automaton<Message>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `send_out`
[INFO] [stderr]   --> src/raft/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     send_out: Sender<Message>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `process_state`
[INFO] [stderr]   --> src/raft/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     process_state: State,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `process`
[INFO] [stderr]   --> src/raft/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     process: Process,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `automata`
[INFO] [stderr]    --> src/raft/dfa.rs:331:13
[INFO] [stderr]     |
[INFO] [stderr] 331 |         let automata = (0..n).fold(HashMap::new(), |mut automata, _| {
[INFO] [stderr]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_automata`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/raft/dfa.rs:69:5
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub fn new(from: Term, to: Term) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/raft/dfa.rs:87:5
[INFO] [stderr]    |
[INFO] [stderr] 87 |     pub fn new(from: Term, to: Term) -> Self {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]    --> src/raft/dfa.rs:104:5
[INFO] [stderr]     |
[INFO] [stderr] 104 |     pub fn new(term: Term) -> Self {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Candidate`
[INFO] [stderr]    --> src/raft/dfa.rs:118:5
[INFO] [stderr]     |
[INFO] [stderr] 118 |     Candidate,
[INFO] [stderr]     |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leader`
[INFO] [stderr]    --> src/raft/dfa.rs:119:5
[INFO] [stderr]     |
[INFO] [stderr] 119 |     Leader,
[INFO] [stderr]     |     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `id`
[INFO] [stderr]    --> src/raft/dfa.rs:129:5
[INFO] [stderr]     |
[INFO] [stderr] 129 |     id: AutomatonRef,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `n`
[INFO] [stderr]    --> src/raft/dfa.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     n: usize,
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `state`
[INFO] [stderr]    --> src/raft/dfa.rs:132:5
[INFO] [stderr]     |
[INFO] [stderr] 132 |     state: State,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `term`
[INFO] [stderr]    --> src/raft/dfa.rs:133:5
[INFO] [stderr]     |
[INFO] [stderr] 133 |     term: Term,
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `votes`
[INFO] [stderr]    --> src/raft/dfa.rs:134:5
[INFO] [stderr]     |
[INFO] [stderr] 134 |     votes: usize,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `pending`
[INFO] [stderr]    --> src/raft/dfa.rs:136:5
[INFO] [stderr]     |
[INFO] [stderr] 136 |     pending: HashMap<(Term, LogIndex), T>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `acks`
[INFO] [stderr]    --> src/raft/dfa.rs:137:5
[INFO] [stderr]     |
[INFO] [stderr] 137 |     acks: HashMap<(Term, LogIndex), usize>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `log`
[INFO] [stderr]    --> src/raft/dfa.rs:138:5
[INFO] [stderr]     |
[INFO] [stderr] 138 |     log: HashMap<LogIndex, T>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `timeout`
[INFO] [stderr]    --> src/raft/dfa.rs:157:5
[INFO] [stderr]     |
[INFO] [stderr] 157 |     pub fn timeout(&mut self) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `vote`
[INFO] [stderr]    --> src/raft/dfa.rs:170:5
[INFO] [stderr]     |
[INFO] [stderr] 170 |     pub fn vote(&mut self, t: Term, v: AutomatonRef) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `append`
[INFO] [stderr]    --> src/raft/dfa.rs:205:5
[INFO] [stderr]     |
[INFO] [stderr] 205 |     pub fn append(&mut self, t: Term, i: LogIndex, entry: T) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ack`
[INFO] [stderr]    --> src/raft/dfa.rs:225:5
[INFO] [stderr]     |
[INFO] [stderr] 225 |     pub fn ack(&mut self, t: Term, i: LogIndex) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `commit`
[INFO] [stderr]    --> src/raft/dfa.rs:253:5
[INFO] [stderr]     |
[INFO] [stderr] 253 |     pub fn commit(&mut self, t: Term, i: LogIndex) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_change_leader`
[INFO] [stderr]    --> src/raft/dfa.rs:273:5
[INFO] [stderr]     |
[INFO] [stderr] 273 |     fn try_change_leader(&mut self) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `try_fast_forward`
[INFO] [stderr]    --> src/raft/dfa.rs:285:5
[INFO] [stderr]     |
[INFO] [stderr] 285 |     fn try_fast_forward(&mut self, t: Term) -> Transition {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ignore_vote`
[INFO] [stderr]    --> src/raft/dfa.rs:302:5
[INFO] [stderr]     |
[INFO] [stderr] 302 |     fn ignore_vote(&self, t: Term, v: AutomatonRef, m: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ignore_append`
[INFO] [stderr]    --> src/raft/dfa.rs:306:5
[INFO] [stderr]     |
[INFO] [stderr] 306 |     fn ignore_append(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ignore_ack`
[INFO] [stderr]    --> src/raft/dfa.rs:310:5
[INFO] [stderr]     |
[INFO] [stderr] 310 |     fn ignore_ack(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `ignore_commit`
[INFO] [stderr]    --> src/raft/dfa.rs:314:5
[INFO] [stderr]     |
[INFO] [stderr] 314 |     fn ignore_commit(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `automaton`
[INFO] [stderr]   --> src/raft/mod.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 |     automaton: Automaton<Message>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `send_out`
[INFO] [stderr]   --> src/raft/mod.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     send_out: Sender<Message>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `process_state`
[INFO] [stderr]   --> src/raft/mod.rs:20:5
[INFO] [stderr]    |
[INFO] [stderr] 20 |     process_state: State,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `process`
[INFO] [stderr]   --> src/raft/mod.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     process: Process,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stderr]  --> src/lib.rs:1:12
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(async_await)]
[INFO] [stderr]   |            ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(stable_features)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.63s
[INFO] running `"docker" "inspect" "7f884fb1b8ddbf30d3964beafe51d23a9d247bcf78f6df7abcac49d4c186a149"`
[INFO] running `"docker" "rm" "-f" "7f884fb1b8ddbf30d3964beafe51d23a9d247bcf78f6df7abcac49d4c186a149"`
[INFO] [stdout] 7f884fb1b8ddbf30d3964beafe51d23a9d247bcf78f6df7abcac49d4c186a149
