[INFO] cloning repository https://github.com/jotaen/raft-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jotaen/raft-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjotaen%2Fraft-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjotaen%2Fraft-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac520fa35468cb449bb950b58567bc8119054990
[INFO] checking jotaen/raft-in-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjotaen%2Fraft-in-rust" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jotaen/raft-in-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jotaen/raft-in-rust
[INFO] finished tweaking git repo https://github.com/jotaen/raft-in-rust
[INFO] tweaked toml for git repo https://github.com/jotaen/raft-in-rust written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/jotaen/raft-in-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9032bfd0a5cfe72c938c2b66019dbd5b78dee881999713792cb0780603d4b235
[INFO] running `Command { std: "docker" "start" "-a" "9032bfd0a5cfe72c938c2b66019dbd5b78dee881999713792cb0780603d4b235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9032bfd0a5cfe72c938c2b66019dbd5b78dee881999713792cb0780603d4b235", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9032bfd0a5cfe72c938c2b66019dbd5b78dee881999713792cb0780603d4b235", kill_on_drop: false }`
[INFO] [stdout] 9032bfd0a5cfe72c938c2b66019dbd5b78dee881999713792cb0780603d4b235
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4b4c16c6b1d1d3952b08f974142a9a8673cacf12cc635adb8b6eb38aa3cb4dab
[INFO] running `Command { std: "docker" "start" "-a" "4b4c16c6b1d1d3952b08f974142a9a8673cacf12cc635adb8b6eb38aa3cb4dab", kill_on_drop: false }`
[INFO] [stderr]     Checking raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]   --> src/follower.rs:93:22
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let leader = default_message_builder();
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:107:22
[INFO] [stdout]     |
[INFO] [stdout] 107 |         let leader = default_message_builder();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:117:22
[INFO] [stdout]     |
[INFO] [stdout] 117 |         let leader = default_message_builder();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:126:22
[INFO] [stdout]     |
[INFO] [stdout] 126 |         let leader = default_message_builder();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:135:22
[INFO] [stdout]     |
[INFO] [stdout] 135 |         let leader = default_message_builder();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:146:22
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let leader = default_message_builder();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:156:27
[INFO] [stdout]     |
[INFO] [stdout] 156 |         let prev_leader = default_message_builder();
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:174:22
[INFO] [stdout]     |
[INFO] [stdout] 174 |         let leader = default_message_builder();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:183:22
[INFO] [stdout]     |
[INFO] [stdout] 183 |         let leader = default_message_builder();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `follower::tests::default_message_builder`
[INFO] [stdout]    --> src/follower.rs:194:22
[INFO] [stdout]     |
[INFO] [stdout] 194 |         let leader = default_message_builder();
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::append_log`
[INFO] [stdout]   --> src/follower.rs:96:46
[INFO] [stdout]    |
[INFO] [stdout] 96 |         let result = follower.receive(leader.append_log());
[INFO] [stdout]    |                                              ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::append_log`
[INFO] [stdout]    --> src/follower.rs:101:52
[INFO] [stdout]     |
[INFO] [stdout] 101 |         let result = other_follower.receive(leader.append_log());
[INFO] [stdout]     |                                                    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::append_log`
[INFO] [stdout]    --> src/follower.rs:111:50
[INFO] [stdout]     |
[INFO] [stdout] 111 |         let result = follower.receive(non_leader.append_log());
[INFO] [stdout]     |                                                  ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::append_log`
[INFO] [stdout]    --> src/follower.rs:120:58
[INFO] [stdout]     |
[INFO] [stdout] 120 |         let result = follower.receive(leader_in_old_term.append_log());
[INFO] [stdout]     |                                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::append_log`
[INFO] [stdout]    --> src/follower.rs:129:58
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let result = follower.receive(leader_in_new_term.append_log());
[INFO] [stdout]     |                                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::append_log`
[INFO] [stdout]    --> src/follower.rs:139:63
[INFO] [stdout]     |
[INFO] [stdout] 139 |         let _result = follower.receive(new_leader_in_new_term.append_log());
[INFO] [stdout]     |                                                               ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:150:58
[INFO] [stdout]     |
[INFO] [stdout] 150 |         let result = follower.receive(leader_in_old_term.request_vote());
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:160:51
[INFO] [stdout]     |
[INFO] [stdout] 160 |         let result = follower.receive(candidate_a.request_vote());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:162:51
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let result = follower.receive(candidate_a.request_vote());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:166:51
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let result = follower.receive(candidate_b.request_vote());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:168:51
[INFO] [stdout]     |
[INFO] [stdout] 168 |         let result = follower.receive(candidate_b.request_vote());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:177:46
[INFO] [stdout]     |
[INFO] [stdout] 177 |         let result = follower.receive(leader.request_vote());
[INFO] [stdout]     |                                              ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:188:51
[INFO] [stdout]     |
[INFO] [stdout] 188 |         let result = follower.receive(candidate_a.request_vote());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:198:51
[INFO] [stdout]     |
[INFO] [stdout] 198 |         let result = follower.receive(candidate_a.request_vote());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:202:51
[INFO] [stdout]     |
[INFO] [stdout] 202 |         let result = follower.receive(candidate_b.request_vote());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `follower::tests::MessageBuilder::request_vote`
[INFO] [stdout]    --> src/follower.rs:205:51
[INFO] [stdout]     |
[INFO] [stdout] 205 |         let result = follower.receive(candidate_a.request_vote());
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver_id`
[INFO] [stdout]   --> src/follower.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 |             AppendLog { sender_id, term_id, receiver_id, commands } => {
[INFO] [stdout]    |                                             ^^^^^^^^^^^ help: try ignoring the field: `receiver_id: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commands`
[INFO] [stdout]   --> src/follower.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |             AppendLog { sender_id, term_id, receiver_id, commands } => {
[INFO] [stdout]    |                                                          ^^^^^^^^ help: try ignoring the field: `commands: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Heartbeat`
[INFO] [stdout]   --> src/message.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Heartbeat,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `receiver_id`
[INFO] [stdout]   --> src/follower.rs:15:45
[INFO] [stdout]    |
[INFO] [stdout] 15 |             AppendLog { sender_id, term_id, receiver_id, commands } => {
[INFO] [stdout]    |                                             ^^^^^^^^^^^ help: try ignoring the field: `receiver_id: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `commands`
[INFO] [stdout]   --> src/follower.rs:15:58
[INFO] [stdout]    |
[INFO] [stdout] 15 |             AppendLog { sender_id, term_id, receiver_id, commands } => {
[INFO] [stdout]    |                                                          ^^^^^^^^ help: try ignoring the field: `commands: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 29 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Follower`
[INFO] [stdout]  --> src/follower.rs:3:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | struct Follower {
[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: `receive`
[INFO] [stdout]   --> src/follower.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn receive(&mut self, m: Message) -> Message {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `save_vote`
[INFO] [stdout]   --> src/follower.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 |     fn save_vote(&mut self, proposed_term_id: TermId, node_id: NodeId) -> Message {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_follower`
[INFO] [stdout]   --> src/follower.rs:59:4
[INFO] [stdout]    |
[INFO] [stdout] 59 | fn new_follower(id: NodeId, leader_id: NodeId, term_id: TermId) -> Follower {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `AppendLog`
[INFO] [stdout]  --> src/message.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     AppendLog { sender_id: NodeId, term_id: TermId, receiver_id: NodeId, commands: Vec<Command> },
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Acknowledge`
[INFO] [stdout]   --> src/message.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Acknowledge { sender_id: NodeId },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Reject`
[INFO] [stdout]   --> src/message.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     Reject,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RequestLog`
[INFO] [stdout]   --> src/message.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     RequestLog { sender_id: NodeId },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `RequestVote`
[INFO] [stdout]   --> src/message.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     RequestVote { sender_id: NodeId, proposed_term_id: TermId },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VoteNo`
[INFO] [stdout]   --> src/message.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     VoteNo { sender_id: NodeId },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `VoteYes`
[INFO] [stdout]   --> src/message.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 |     VoteYes { sender_id: NodeId },
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Heartbeat`
[INFO] [stdout]   --> src/message.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Heartbeat,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Leader`
[INFO] [stdout]   --> src/leader.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Leader<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `new_leader`
[INFO] [stdout]   --> src/leader.rs:26:4
[INFO] [stdout]    |
[INFO] [stdout] 26 | fn new_leader(id: NodeId, term_id: TermId, outbox: &mut dyn Outbox, followers: Vec<NodeId>) -> Leader {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `receive`
[INFO] [stdout]   --> src/leader.rs:31:8
[INFO] [stdout]    |
[INFO] [stdout] 31 |     fn receive(&mut self, m: Message) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `append`
[INFO] [stdout]   --> src/leader.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 |     fn append(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trigger_retries`
[INFO] [stdout]   --> src/leader.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 45 |     fn trigger_retries(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `trigger_heartbeat`
[INFO] [stdout]   --> src/leader.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn trigger_heartbeat(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "4b4c16c6b1d1d3952b08f974142a9a8673cacf12cc635adb8b6eb38aa3cb4dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b4c16c6b1d1d3952b08f974142a9a8673cacf12cc635adb8b6eb38aa3cb4dab", kill_on_drop: false }`
[INFO] [stdout] 4b4c16c6b1d1d3952b08f974142a9a8673cacf12cc635adb8b6eb38aa3cb4dab