[INFO] crate d9d_consensus 0.1.0 is already in cache
[INFO] testing d9d_consensus-0.1.0 against master#28742a1146f10a4f09369baad027a464acb7a766 for pr-71274
[INFO] extracting crate d9d_consensus 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate d9d_consensus 0.1.0 on toolchain 28742a1146f10a4f09369baad027a464acb7a766
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-7/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+28742a1146f10a4f09369baad027a464acb7a766" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3d07e8abf25c4e0089c0b03a41c4ea24fffdd4214e5e4ab9d9a0be9ecd8ffcc5
[INFO] running `"docker" "start" "-a" "3d07e8abf25c4e0089c0b03a41c4ea24fffdd4214e5e4ab9d9a0be9ecd8ffcc5"`
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
[INFO] [stderr]    Compiling futures-core-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-io-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling futures-sink-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling base64 v0.10.1
[INFO] [stderr]    Compiling futures-channel-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling crossbeam-queue v0.2.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-uds v0.2.6
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling 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]    Compiling futures-util-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-executor-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling 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: 29 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 24s
[INFO] running `"docker" "inspect" "3d07e8abf25c4e0089c0b03a41c4ea24fffdd4214e5e4ab9d9a0be9ecd8ffcc5"`
[INFO] running `"docker" "rm" "-f" "3d07e8abf25c4e0089c0b03a41c4ea24fffdd4214e5e4ab9d9a0be9ecd8ffcc5"`
[INFO] [stdout] 3d07e8abf25c4e0089c0b03a41c4ea24fffdd4214e5e4ab9d9a0be9ecd8ffcc5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1d0608102bab2b5e6f67abd94599f36259f3a16651866c23e3b8a470aea0b8d6
[INFO] running `"docker" "start" "-a" "1d0608102bab2b5e6f67abd94599f36259f3a16651866c23e3b8a470aea0b8d6"`
[INFO] [stderr]    Compiling 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: 29 warnings emitted
[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] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.24s
[INFO] running `"docker" "inspect" "1d0608102bab2b5e6f67abd94599f36259f3a16651866c23e3b8a470aea0b8d6"`
[INFO] running `"docker" "rm" "-f" "1d0608102bab2b5e6f67abd94599f36259f3a16651866c23e3b8a470aea0b8d6"`
[INFO] [stdout] 1d0608102bab2b5e6f67abd94599f36259f3a16651866c23e3b8a470aea0b8d6
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+28742a1146f10a4f09369baad027a464acb7a766" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 58c3897e09d219e48a725c5c6d93542f160036ec9e446b704fe66edb5ef755a7
[INFO] running `"docker" "start" "-a" "58c3897e09d219e48a725c5c6d93542f160036ec9e446b704fe66edb5ef755a7"`
[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: 29 warnings emitted
[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] warning: 30 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.25s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/d9d_consensus-6f86d534100b62dc
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test raft::dfa::test::voting ... ok
[INFO] [stderr]    Doc-tests d9d_consensus
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "58c3897e09d219e48a725c5c6d93542f160036ec9e446b704fe66edb5ef755a7"`
[INFO] running `"docker" "rm" "-f" "58c3897e09d219e48a725c5c6d93542f160036ec9e446b704fe66edb5ef755a7"`
[INFO] [stdout] 58c3897e09d219e48a725c5c6d93542f160036ec9e446b704fe66edb5ef755a7