[INFO] cloning repository https://github.com/motorailgun/itf-raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/motorailgun/itf-raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotorailgun%2Fitf-raft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotorailgun%2Fitf-raft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2b0ec6f3e41a3c97d165a660072a8d9eaa21f561
[INFO] checking motorailgun/itf-raft against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmotorailgun%2Fitf-raft" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/motorailgun/itf-raft
[INFO] finished tweaking git repo https://github.com/motorailgun/itf-raft
[INFO] tweaked toml for git repo https://github.com/motorailgun/itf-raft written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/motorailgun/itf-raft on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/motorailgun/itf-raft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] facee23c6591bc92fa1c1de4d53eaa8c5bd5ef28ece67a13591d4c5510cdeecf
[INFO] running `Command { std: "docker" "start" "-a" "facee23c6591bc92fa1c1de4d53eaa8c5bd5ef28ece67a13591d4c5510cdeecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "facee23c6591bc92fa1c1de4d53eaa8c5bd5ef28ece67a13591d4c5510cdeecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "facee23c6591bc92fa1c1de4d53eaa8c5bd5ef28ece67a13591d4c5510cdeecf", kill_on_drop: false }`
[INFO] [stdout] facee23c6591bc92fa1c1de4d53eaa8c5bd5ef28ece67a13591d4c5510cdeecf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dunmustuse_in_always_ok" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 68dacd7e5edafb1d79c428243b65529afe3c3f8709523ccc8d63e19e2d27d86e
[INFO] running `Command { std: "docker" "start" "-a" "68dacd7e5edafb1d79c428243b65529afe3c3f8709523ccc8d63e19e2d27d86e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
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[INFO] [stderr]    Compiling async-stream-impl v0.3.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.56
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[INFO] [stderr]     Checking tracing v0.1.40
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[INFO] [stderr]    Compiling prost v0.12.3
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[INFO] [stderr]    Compiling prost-types v0.12.3
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[INFO] [stderr]    Compiling prost-build v0.12.3
[INFO] [stderr]    Compiling tonic-build v0.10.2
[INFO] [stderr]    Compiling itf-raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking hyper v0.14.28
[INFO] [stderr]     Checking hyper-timeout v0.4.1
[INFO] [stderr]     Checking tonic v0.10.2
[INFO] [stdout] warning: unused import: `tokio::task::LocalEnterGuard`
[INFO] [stdout]  --> src/state/inner_state.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::task::LocalEnterGuard;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tokio::task::LocalEnterGuard`
[INFO] [stdout]  --> src/state/inner_state.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tokio::task::LocalEnterGuard;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inner`
[INFO] [stdout]   --> src/state/candidate.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn append_entries(self, inner: InnerState, term: u64, leader_id: u64) -> NodeType {
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_inner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> src/state/candidate.rs:19:52
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn append_entries(self, inner: InnerState, term: u64, leader_id: u64) -> NodeType {
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leader_id`
[INFO] [stdout]   --> src/state/candidate.rs:19:63
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn append_entries(self, inner: InnerState, term: u64, leader_id: u64) -> NodeType {
[INFO] [stdout]    |                                                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leader_id`
[INFO] [stdout]   --> src/state/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         leader_id: u64,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_log_index`
[INFO] [stdout]   --> src/state/mod.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         prev_log_index: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_log_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_log_term`
[INFO] [stdout]   --> src/state/mod.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         prev_log_term: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_log_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leader_commit`
[INFO] [stdout]   --> src/state/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         leader_commit: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_commit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> src/state/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         term: u64,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate_id`
[INFO] [stdout]   --> src/state/mod.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         candidate_id: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidate_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log_index`
[INFO] [stdout]   --> src/state/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         last_log_index: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log_term`
[INFO] [stdout]   --> src/state/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         last_log_term: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `let_me_borrow_your_inner` is never used
[INFO] [stdout]   --> src/rpc.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<T: Responder + Sync + Send + 'static> RaftRpcServer<T> {
[INFO] [stdout]    | ----------------------------------------------------------- method in this implementation
[INFO] [stdout] 45 |     fn let_me_borrow_your_inner(&self) -> Arc<Mutex<T>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]  --> src/state/candidate.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CandidateState {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     pub votes: BTreeMap<u64, ()>,
[INFO] [stdout] 8 |     inner: InnerState,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CandidateState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:327:42
[INFO] [stdout]     |
[INFO] [stdout] 327 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 328 | |                         let inner = inner.0;
[INFO] [stdout] 329 | |                         let method = AppendEntriesSvc(inner);
[INFO] [stdout] 330 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 341 | |                         Ok(res)
[INFO] [stdout] 342 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:341:25
[INFO] [stdout]     |
[INFO] [stdout] 341 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:373:42
[INFO] [stdout]     |
[INFO] [stdout] 373 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 374 | |                         let inner = inner.0;
[INFO] [stdout] 375 | |                         let method = RequestVoteSvc(inner);
[INFO] [stdout] 376 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 387 | |                         Ok(res)
[INFO] [stdout] 388 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:387:25
[INFO] [stdout]     |
[INFO] [stdout] 387 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:392:41
[INFO] [stdout]     |
[INFO] [stdout] 392 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 393 | |                         Ok(
[INFO] [stdout] 394 | |                             http::Response::builder()
[INFO] [stdout] 395 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 401 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:393:25
[INFO] [stdout]     |
[INFO] [stdout] 393 | /                         Ok(
[INFO] [stdout] 394 | |                             http::Response::builder()
[INFO] [stdout] 395 | |                                 .status(200)
[INFO] [stdout] 396 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 399 | |                                 .unwrap(),
[INFO] [stdout] 400 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `timeout` should have an upper case name
[INFO] [stdout]  --> src/state/follower.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const timeout: Duration = Duration::from_millis(300);
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const timeout: Duration = Duration::from_millis(300);
[INFO] [stdout] 5 + const TIMEOUT: Duration = Duration::from_millis(300);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> src/state/inner_state.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 self.log.split_off((entry.prev_index + 1) as usize);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let _ = self.log.split_off((entry.prev_index + 1) as usize);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itf-raft` (bin "itf-raft" test) due to 6 previous errors; 16 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `inner`
[INFO] [stdout]   --> src/state/candidate.rs:19:33
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn append_entries(self, inner: InnerState, term: u64, leader_id: u64) -> NodeType {
[INFO] [stdout]    |                                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_inner`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> src/state/candidate.rs:19:52
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn append_entries(self, inner: InnerState, term: u64, leader_id: u64) -> NodeType {
[INFO] [stdout]    |                                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leader_id`
[INFO] [stdout]   --> src/state/candidate.rs:19:63
[INFO] [stdout]    |
[INFO] [stdout] 19 |     pub fn append_entries(self, inner: InnerState, term: u64, leader_id: u64) -> NodeType {
[INFO] [stdout]    |                                                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leader_id`
[INFO] [stdout]   --> src/state/mod.rs:36:9
[INFO] [stdout]    |
[INFO] [stdout] 36 |         leader_id: u64,
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_log_index`
[INFO] [stdout]   --> src/state/mod.rs:37:9
[INFO] [stdout]    |
[INFO] [stdout] 37 |         prev_log_index: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_log_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `prev_log_term`
[INFO] [stdout]   --> src/state/mod.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |         prev_log_term: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_prev_log_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `leader_commit`
[INFO] [stdout]   --> src/state/mod.rs:40:9
[INFO] [stdout]    |
[INFO] [stdout] 40 |         leader_commit: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_commit`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `term`
[INFO] [stdout]   --> src/state/mod.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         term: u64,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `candidate_id`
[INFO] [stdout]   --> src/state/mod.rs:56:9
[INFO] [stdout]    |
[INFO] [stdout] 56 |         candidate_id: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_candidate_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log_index`
[INFO] [stdout]   --> src/state/mod.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         last_log_index: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `last_log_term`
[INFO] [stdout]   --> src/state/mod.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 |         last_log_term: u64,
[INFO] [stdout]    |         ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_last_log_term`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `let_me_borrow_your_inner` is never used
[INFO] [stdout]   --> src/rpc.rs:45:8
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl<T: Responder + Sync + Send + 'static> RaftRpcServer<T> {
[INFO] [stdout]    | ----------------------------------------------------------- method in this implementation
[INFO] [stdout] 45 |     fn let_me_borrow_your_inner(&self) -> Arc<Mutex<T>> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `inner` is never read
[INFO] [stdout]  --> src/state/candidate.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CandidateState {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 7 |     pub votes: BTreeMap<u64, ()>,
[INFO] [stdout] 8 |     inner: InnerState,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CandidateState` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:327:42
[INFO] [stdout]     |
[INFO] [stdout] 327 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 328 | |                         let inner = inner.0;
[INFO] [stdout] 329 | |                         let method = AppendEntriesSvc(inner);
[INFO] [stdout] 330 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 341 | |                         Ok(res)
[INFO] [stdout] 342 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:341:25
[INFO] [stdout]     |
[INFO] [stdout] 341 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:373:42
[INFO] [stdout]     |
[INFO] [stdout] 373 |                       let fut = async move {
[INFO] [stdout]     |  __________________________________________^
[INFO] [stdout] 374 | |                         let inner = inner.0;
[INFO] [stdout] 375 | |                         let method = RequestVoteSvc(inner);
[INFO] [stdout] 376 | |                         let codec = tonic::codec::ProstCodec::default();
[INFO] [stdout] ...   |
[INFO] [stdout] 387 | |                         Ok(res)
[INFO] [stdout] 388 | |                     };
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:387:25
[INFO] [stdout]     |
[INFO] [stdout] 387 |                         Ok(res)
[INFO] [stdout]     |                         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:392:41
[INFO] [stdout]     |
[INFO] [stdout] 392 |                       Box::pin(async move {
[INFO] [stdout]     |  _________________________________________^
[INFO] [stdout] 393 | |                         Ok(
[INFO] [stdout] 394 | |                             http::Response::builder()
[INFO] [stdout] 395 | |                                 .status(200)
[INFO] [stdout] ...   |
[INFO] [stdout] 401 | |                     })
[INFO] [stdout]     | |_____________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<response::Response<http_body::combinators::box_body::UnsyncBoxBody<prost::bytes::Bytes, Status>>, Infallible>
[INFO] [stdout]    --> /opt/rustwide/target/debug/build/itf-raft-57377016937ea37a/out/raft_rpc.rs:393:25
[INFO] [stdout]     |
[INFO] [stdout] 393 | /                         Ok(
[INFO] [stdout] 394 | |                             http::Response::builder()
[INFO] [stdout] 395 | |                                 .status(200)
[INFO] [stdout] 396 | |                                 .header("grpc-status", "12")
[INFO] [stdout] ...   |
[INFO] [stdout] 399 | |                                 .unwrap(),
[INFO] [stdout] 400 | |                         )
[INFO] [stdout]     | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `timeout` should have an upper case name
[INFO] [stdout]  --> src/state/follower.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const timeout: Duration = Duration::from_millis(300);
[INFO] [stdout]   |       ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_upper_case_globals)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] help: convert the identifier to upper case
[INFO] [stdout]   |
[INFO] [stdout] 5 - const timeout: Duration = Duration::from_millis(300);
[INFO] [stdout] 5 + const TIMEOUT: Duration = Duration::from_millis(300);
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Vec::<T, A>::split_off` that must be used
[INFO] [stdout]   --> src/state/inner_state.rs:74:17
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 self.log.split_off((entry.prev_index + 1) as usize);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: use `.truncate()` if you don't need the other half
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 74 |                 let _ = self.log.split_off((entry.prev_index + 1) as usize);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `itf-raft` (bin "itf-raft") due to 6 previous errors; 16 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "68dacd7e5edafb1d79c428243b65529afe3c3f8709523ccc8d63e19e2d27d86e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "68dacd7e5edafb1d79c428243b65529afe3c3f8709523ccc8d63e19e2d27d86e", kill_on_drop: false }`
[INFO] [stdout] 68dacd7e5edafb1d79c428243b65529afe3c3f8709523ccc8d63e19e2d27d86e
