[INFO] fetching crate d9d_consensus 0.1.0...
[INFO] checking d9d_consensus-0.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate d9d_consensus 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate d9d_consensus 0.1.0 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8800aa3902944d2a6baf42d5158dff1a190b7921b8f42b2844be2b36a6ddfd7
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d8800aa3902944d2a6baf42d5158dff1a190b7921b8f42b2844be2b36a6ddfd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8800aa3902944d2a6baf42d5158dff1a190b7921b8f42b2844be2b36a6ddfd7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8800aa3902944d2a6baf42d5158dff1a190b7921b8f42b2844be2b36a6ddfd7", kill_on_drop: false }`
[INFO] [stdout] d8800aa3902944d2a6baf42d5158dff1a190b7921b8f42b2844be2b36a6ddfd7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1da28b31315783d6ab5bab2de5eb9856f349307416a33f60b1ec83eb683e75b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1da28b31315783d6ab5bab2de5eb9856f349307416a33f60b1ec83eb683e75b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]     Checking futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking env_logger v0.6.2
[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 tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-join-macro-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] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/raft/dfa.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn new(from: Term, to: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/raft/dfa.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn new(from: Term, to: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/raft/dfa.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn new(term: Term) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Candidate`
[INFO] [stdout]    --> src/raft/dfa.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Candidate,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leader`
[INFO] [stdout]    --> src/raft/dfa.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Leader,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/raft/dfa.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     id: AutomatonRef,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]    --> src/raft/dfa.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     n: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]    --> src/raft/dfa.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     state: State,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `term`
[INFO] [stdout]    --> src/raft/dfa.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     term: Term,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `votes`
[INFO] [stdout]    --> src/raft/dfa.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     votes: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pending`
[INFO] [stdout]    --> src/raft/dfa.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pending: HashMap<(Term, LogIndex), T>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acks`
[INFO] [stdout]    --> src/raft/dfa.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     acks: HashMap<(Term, LogIndex), usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `log`
[INFO] [stdout]    --> src/raft/dfa.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     log: HashMap<LogIndex, T>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `timeout`
[INFO] [stdout]    --> src/raft/dfa.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn timeout(&mut self) -> Transition {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vote`
[INFO] [stdout]    --> src/raft/dfa.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn vote(&mut self, t: Term, v: AutomatonRef) -> Transition {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]    --> src/raft/dfa.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn append(&mut self, t: Term, i: LogIndex, entry: T) -> Transition {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ack`
[INFO] [stdout]    --> src/raft/dfa.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn ack(&mut self, t: Term, i: LogIndex) -> Transition {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `commit`
[INFO] [stdout]    --> src/raft/dfa.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn commit(&mut self, t: Term, i: LogIndex) -> Transition {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_change_leader`
[INFO] [stdout]    --> src/raft/dfa.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn try_change_leader(&mut self) -> Transition {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_fast_forward`
[INFO] [stdout]    --> src/raft/dfa.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn try_fast_forward(&mut self, t: Term) -> Transition {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ignore_vote`
[INFO] [stdout]    --> src/raft/dfa.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn ignore_vote(&self, t: Term, v: AutomatonRef, m: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ignore_append`
[INFO] [stdout]    --> src/raft/dfa.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn ignore_append(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ignore_ack`
[INFO] [stdout]    --> src/raft/dfa.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn ignore_ack(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ignore_commit`
[INFO] [stdout]    --> src/raft/dfa.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn ignore_commit(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `automaton`
[INFO] [stdout]   --> src/raft/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     automaton: Automaton<Message>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `send_out`
[INFO] [stdout]   --> src/raft/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     send_out: Sender<Message>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `process_state`
[INFO] [stdout]   --> src/raft/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     process_state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `process`
[INFO] [stdout]   --> src/raft/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     process: Process,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `automata`
[INFO] [stdout]    --> src/raft/dfa.rs:331:13
[INFO] [stdout]     |
[INFO] [stdout] 331 |         let automata = (0..n).fold(HashMap::new(), |mut automata, _| {
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_automata`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/raft/dfa.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn new(from: Term, to: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/raft/dfa.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |     pub fn new(from: Term, to: Term) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]    --> src/raft/dfa.rs:104:12
[INFO] [stdout]     |
[INFO] [stdout] 104 |     pub fn new(term: Term) -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Candidate`
[INFO] [stdout]    --> src/raft/dfa.rs:118:5
[INFO] [stdout]     |
[INFO] [stdout] 118 |     Candidate,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leader`
[INFO] [stdout]    --> src/raft/dfa.rs:119:5
[INFO] [stdout]     |
[INFO] [stdout] 119 |     Leader,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `id`
[INFO] [stdout]    --> src/raft/dfa.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 129 |     id: AutomatonRef,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `n`
[INFO] [stdout]    --> src/raft/dfa.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     n: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `state`
[INFO] [stdout]    --> src/raft/dfa.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 |     state: State,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `term`
[INFO] [stdout]    --> src/raft/dfa.rs:133:5
[INFO] [stdout]     |
[INFO] [stdout] 133 |     term: Term,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `votes`
[INFO] [stdout]    --> src/raft/dfa.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 134 |     votes: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `pending`
[INFO] [stdout]    --> src/raft/dfa.rs:136:5
[INFO] [stdout]     |
[INFO] [stdout] 136 |     pending: HashMap<(Term, LogIndex), T>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `acks`
[INFO] [stdout]    --> src/raft/dfa.rs:137:5
[INFO] [stdout]     |
[INFO] [stdout] 137 |     acks: HashMap<(Term, LogIndex), usize>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `log`
[INFO] [stdout]    --> src/raft/dfa.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     log: HashMap<LogIndex, T>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `timeout`
[INFO] [stdout]    --> src/raft/dfa.rs:157:12
[INFO] [stdout]     |
[INFO] [stdout] 157 |     pub fn timeout(&mut self) -> Transition {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vote`
[INFO] [stdout]    --> src/raft/dfa.rs:170:12
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn vote(&mut self, t: Term, v: AutomatonRef) -> Transition {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]    --> src/raft/dfa.rs:205:12
[INFO] [stdout]     |
[INFO] [stdout] 205 |     pub fn append(&mut self, t: Term, i: LogIndex, entry: T) -> Transition {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ack`
[INFO] [stdout]    --> src/raft/dfa.rs:225:12
[INFO] [stdout]     |
[INFO] [stdout] 225 |     pub fn ack(&mut self, t: Term, i: LogIndex) -> Transition {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `commit`
[INFO] [stdout]    --> src/raft/dfa.rs:253:12
[INFO] [stdout]     |
[INFO] [stdout] 253 |     pub fn commit(&mut self, t: Term, i: LogIndex) -> Transition {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_change_leader`
[INFO] [stdout]    --> src/raft/dfa.rs:273:8
[INFO] [stdout]     |
[INFO] [stdout] 273 |     fn try_change_leader(&mut self) -> Transition {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `try_fast_forward`
[INFO] [stdout]    --> src/raft/dfa.rs:285:8
[INFO] [stdout]     |
[INFO] [stdout] 285 |     fn try_fast_forward(&mut self, t: Term) -> Transition {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ignore_vote`
[INFO] [stdout]    --> src/raft/dfa.rs:302:8
[INFO] [stdout]     |
[INFO] [stdout] 302 |     fn ignore_vote(&self, t: Term, v: AutomatonRef, m: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ignore_append`
[INFO] [stdout]    --> src/raft/dfa.rs:306:8
[INFO] [stdout]     |
[INFO] [stdout] 306 |     fn ignore_append(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ignore_ack`
[INFO] [stdout]    --> src/raft/dfa.rs:310:8
[INFO] [stdout]     |
[INFO] [stdout] 310 |     fn ignore_ack(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `ignore_commit`
[INFO] [stdout]    --> src/raft/dfa.rs:314:8
[INFO] [stdout]     |
[INFO] [stdout] 314 |     fn ignore_commit(&self, t: Term, i: LogIndex, m: &str) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `automaton`
[INFO] [stdout]   --> src/raft/mod.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     automaton: Automaton<Message>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `send_out`
[INFO] [stdout]   --> src/raft/mod.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     send_out: Sender<Message>,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `process_state`
[INFO] [stdout]   --> src/raft/mod.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     process_state: State,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `process`
[INFO] [stdout]   --> src/raft/mod.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     process: Process,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(async_await)]
[INFO] [stdout]   |            ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 30 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.63s
[INFO] running `Command { std: "docker" "inspect" "b1da28b31315783d6ab5bab2de5eb9856f349307416a33f60b1ec83eb683e75b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1da28b31315783d6ab5bab2de5eb9856f349307416a33f60b1ec83eb683e75b", kill_on_drop: false }`
[INFO] [stdout] b1da28b31315783d6ab5bab2de5eb9856f349307416a33f60b1ec83eb683e75b