Dec 18 01:44:22.353 INFO checking dat2/rust-raft against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:44:22.353 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-1/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/dat2/rust-raft:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 01:44:22.766 INFO [stdout] c634ee6ff5d6d846da163b5102b5620348fbf118e41789273bfb7eed6a87a5c7
Dec 18 01:44:22.772 INFO running `"docker" "start" "-a" "c634ee6ff5d6d846da163b5102b5620348fbf118e41789273bfb7eed6a87a5c7"`
Dec 18 01:44:24.360 INFO [stderr]     Checking serde v1.0.4
Dec 18 01:44:24.369 INFO [stderr]     Checking net2 v0.2.29
Dec 18 01:44:24.376 INFO [stderr]     Checking tokio-service v0.1.0
Dec 18 01:44:24.376 INFO [stderr]     Checking bytes v0.4.3
Dec 18 01:44:24.377 INFO [stderr]     Checking aho-corasick v0.6.2
Dec 18 01:44:24.377 INFO [stderr]     Checking clap v2.20.5
Dec 18 01:44:24.378 INFO [stderr]     Checking backtrace v0.3.0
Dec 18 01:44:24.378 INFO [stderr]    Compiling serde_derive v1.0.4
Dec 18 01:44:27.564 INFO [stderr]     Checking error-chain v0.7.2
Dec 18 01:44:27.754 INFO [stderr]     Checking mio v0.6.7
Dec 18 01:44:29.015 INFO [stderr]     Checking regex v0.2.1
Dec 18 01:44:29.276 INFO [stderr]     Checking tokio-io v0.1.1
Dec 18 01:44:32.671 INFO [stderr]     Checking tokio-core v0.1.7
Dec 18 01:44:35.368 INFO [stderr]     Checking env_logger v0.4.1
Dec 18 01:44:35.410 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 18 01:44:40.712 INFO [stderr]     Checking bincode v0.8.0
Dec 18 01:44:41.470 INFO [stderr]     Checking raft v0.1.0 (/opt/crater/workdir)
Dec 18 01:44:42.016 INFO [stderr] warning: unused import: `std::str`
Dec 18 01:44:42.016 INFO [stderr]  --> src/server.rs:4:5
Dec 18 01:44:42.016 INFO [stderr]   |
Dec 18 01:44:42.016 INFO [stderr] 4 | use std::str;
Dec 18 01:44:42.016 INFO [stderr]   |     ^^^^^^^^
Dec 18 01:44:42.016 INFO [stderr]   |
Dec 18 01:44:42.016 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:44:42.016 INFO [stderr] 
Dec 18 01:44:42.016 INFO [stderr] warning: unused import: `UnboundedReceiver`
Dec 18 01:44:42.016 INFO [stderr]   --> src/server.rs:13:55
Dec 18 01:44:42.016 INFO [stderr]    |
Dec 18 01:44:42.016 INFO [stderr] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
Dec 18 01:44:42.016 INFO [stderr]    |                                                       ^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.016 INFO [stderr] 
Dec 18 01:44:42.016 INFO [stderr] warning: unused import: `std::str`
Dec 18 01:44:42.016 INFO [stderr]  --> src/client.rs:4:5
Dec 18 01:44:42.016 INFO [stderr]   |
Dec 18 01:44:42.016 INFO [stderr] 4 | use std::str;
Dec 18 01:44:42.016 INFO [stderr]   |     ^^^^^^^^
Dec 18 01:44:42.016 INFO [stderr] 
Dec 18 01:44:42.124 INFO [stderr] warning: unused import: `std::str`
Dec 18 01:44:42.124 INFO [stderr]  --> src/server.rs:4:5
Dec 18 01:44:42.124 INFO [stderr]   |
Dec 18 01:44:42.124 INFO [stderr] 4 | use std::str;
Dec 18 01:44:42.124 INFO [stderr]   |     ^^^^^^^^
Dec 18 01:44:42.124 INFO [stderr]   |
Dec 18 01:44:42.124 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 18 01:44:42.124 INFO [stderr] 
Dec 18 01:44:42.124 INFO [stderr] warning: unused import: `UnboundedReceiver`
Dec 18 01:44:42.124 INFO [stderr]   --> src/server.rs:13:55
Dec 18 01:44:42.124 INFO [stderr]    |
Dec 18 01:44:42.124 INFO [stderr] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
Dec 18 01:44:42.124 INFO [stderr]    |                                                       ^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.124 INFO [stderr] 
Dec 18 01:44:42.124 INFO [stderr] warning: unused import: `std::str`
Dec 18 01:44:42.124 INFO [stderr]  --> src/client.rs:4:5
Dec 18 01:44:42.124 INFO [stderr]   |
Dec 18 01:44:42.124 INFO [stderr] 4 | use std::str;
Dec 18 01:44:42.124 INFO [stderr]   |     ^^^^^^^^
Dec 18 01:44:42.124 INFO [stderr] 
Dec 18 01:44:42.276 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 01:44:42.276 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 01:44:42.276 INFO [stderr]    |
Dec 18 01:44:42.276 INFO [stderr] 1  | / error_chain! {
Dec 18 01:44:42.276 INFO [stderr] 2  | |
Dec 18 01:44:42.276 INFO [stderr] 3  | |   types {
Dec 18 01:44:42.276 INFO [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
Dec 18 01:44:42.276 INFO [stderr] ...  |
Dec 18 01:44:42.276 INFO [stderr] 12 | |   }
Dec 18 01:44:42.276 INFO [stderr] 13 | | }
Dec 18 01:44:42.276 INFO [stderr]    | |_^
Dec 18 01:44:42.276 INFO [stderr]    |
Dec 18 01:44:42.276 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 01:44:42.276 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 01:44:42.276 INFO [stderr] 
Dec 18 01:44:42.276 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 01:44:42.276 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 01:44:42.277 INFO [stderr]    |
Dec 18 01:44:42.277 INFO [stderr] 1  | / error_chain! {
Dec 18 01:44:42.277 INFO [stderr] 2  | |
Dec 18 01:44:42.277 INFO [stderr] 3  | |   types {
Dec 18 01:44:42.277 INFO [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
Dec 18 01:44:42.277 INFO [stderr] ...  |
Dec 18 01:44:42.277 INFO [stderr] 12 | |   }
Dec 18 01:44:42.277 INFO [stderr] 13 | | }
Dec 18 01:44:42.277 INFO [stderr]    | |_^
Dec 18 01:44:42.277 INFO [stderr]    |
Dec 18 01:44:42.277 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 01:44:42.277 INFO [stderr] 
Dec 18 01:44:42.304 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 01:44:42.304 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 01:44:42.304 INFO [stderr]    |
Dec 18 01:44:42.304 INFO [stderr] 1  | / error_chain! {
Dec 18 01:44:42.304 INFO [stderr] 2  | |
Dec 18 01:44:42.304 INFO [stderr] 3  | |   types {
Dec 18 01:44:42.304 INFO [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
Dec 18 01:44:42.304 INFO [stderr] ...  |
Dec 18 01:44:42.304 INFO [stderr] 12 | |   }
Dec 18 01:44:42.304 INFO [stderr] 13 | | }
Dec 18 01:44:42.304 INFO [stderr]    | |_^
Dec 18 01:44:42.304 INFO [stderr]    |
Dec 18 01:44:42.304 INFO [stderr]    = note: #[warn(deprecated)] on by default
Dec 18 01:44:42.304 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 01:44:42.304 INFO [stderr] 
Dec 18 01:44:42.304 INFO [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
Dec 18 01:44:42.304 INFO [stderr]   --> src/errors.rs:1:1
Dec 18 01:44:42.304 INFO [stderr]    |
Dec 18 01:44:42.305 INFO [stderr] 1  | / error_chain! {
Dec 18 01:44:42.305 INFO [stderr] 2  | |
Dec 18 01:44:42.305 INFO [stderr] 3  | |   types {
Dec 18 01:44:42.305 INFO [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
Dec 18 01:44:42.305 INFO [stderr] ...  |
Dec 18 01:44:42.305 INFO [stderr] 12 | |   }
Dec 18 01:44:42.305 INFO [stderr] 13 | | }
Dec 18 01:44:42.305 INFO [stderr]    | |_^
Dec 18 01:44:42.305 INFO [stderr]    |
Dec 18 01:44:42.305 INFO [stderr]    = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 18 01:44:42.305 INFO [stderr] 
Dec 18 01:44:42.432 INFO [stderr] warning: method is never used: `new`
Dec 18 01:44:42.432 INFO [stderr]  --> src/state.rs:7:3
Dec 18 01:44:42.432 INFO [stderr]   |
Dec 18 01:44:42.432 INFO [stderr] 7 |   pub fn new() -> RaftState {
Dec 18 01:44:42.432 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.432 INFO [stderr]   |
Dec 18 01:44:42.432 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 01:44:42.432 INFO [stderr] 
Dec 18 01:44:42.432 INFO [stderr] warning: method is never used: `vote`
Dec 18 01:44:42.432 INFO [stderr]   --> src/state.rs:11:3
Dec 18 01:44:42.432 INFO [stderr]    |
Dec 18 01:44:42.432 INFO [stderr] 11 |   pub fn vote(&mut self, candidate: String) {
Dec 18 01:44:42.432 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.432 INFO [stderr] 
Dec 18 01:44:42.432 INFO [stderr] warning: variant is never constructed: `Follower`
Dec 18 01:44:42.432 INFO [stderr]   --> src/state.rs:20:3
Dec 18 01:44:42.432 INFO [stderr]    |
Dec 18 01:44:42.432 INFO [stderr] 20 |   Follower(StateMachine<Follower>),
Dec 18 01:44:42.432 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.432 INFO [stderr] 
Dec 18 01:44:42.432 INFO [stderr] warning: variant is never constructed: `Candidate`
Dec 18 01:44:42.432 INFO [stderr]   --> src/state.rs:21:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 21 |   Candidate(StateMachine<Candidate>),
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.433 INFO [stderr] warning: variant is never constructed: `Leader`
Dec 18 01:44:42.433 INFO [stderr]   --> src/state.rs:22:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 22 |   Leader(StateMachine<Leader>)
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.433 INFO [stderr] warning: method is never used: `init`
Dec 18 01:44:42.433 INFO [stderr]   --> src/state.rs:42:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 42 |   pub fn init() -> StateMachine<Follower> {
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.433 INFO [stderr] warning: method is never used: `vote`
Dec 18 01:44:42.433 INFO [stderr]   --> src/state.rs:47:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.433 INFO [stderr] warning: method is never used: `complete_vote`
Dec 18 01:44:42.433 INFO [stderr]   --> src/state.rs:52:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.433 INFO [stderr] warning: method is never used: `election_timeout`
Dec 18 01:44:42.433 INFO [stderr]   --> src/state.rs:57:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.433 INFO [stderr] warning: method is never used: `failed_majority_timeout`
Dec 18 01:44:42.433 INFO [stderr]   --> src/state.rs:64:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.433 INFO [stderr] warning: method is never used: `other_leader_elected`
Dec 18 01:44:42.433 INFO [stderr]   --> src/state.rs:69:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.433 INFO [stderr] warning: method is never used: `elected`
Dec 18 01:44:42.433 INFO [stderr]   --> src/state.rs:74:3
Dec 18 01:44:42.433 INFO [stderr]    |
Dec 18 01:44:42.433 INFO [stderr] 74 |   pub fn elected(self) -> StateMachine<Leader> {
Dec 18 01:44:42.433 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.433 INFO [stderr] 
Dec 18 01:44:42.436 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:44:42.436 INFO [stderr]    --> src/server.rs:107:7
Dec 18 01:44:42.436 INFO [stderr]     |
Dec 18 01:44:42.436 INFO [stderr] 107 |       v.send(rng.gen());
Dec 18 01:44:42.436 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.436 INFO [stderr]     |
Dec 18 01:44:42.436 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:44:42.436 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:44:42.436 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: method is never used: `new`
Dec 18 01:44:42.443 INFO [stderr]  --> src/state.rs:7:3
Dec 18 01:44:42.443 INFO [stderr]   |
Dec 18 01:44:42.443 INFO [stderr] 7 |   pub fn new() -> RaftState {
Dec 18 01:44:42.443 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr]   |
Dec 18 01:44:42.443 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: method is never used: `vote`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:11:3
Dec 18 01:44:42.443 INFO [stderr]    |
Dec 18 01:44:42.443 INFO [stderr] 11 |   pub fn vote(&mut self, candidate: String) {
Dec 18 01:44:42.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: variant is never constructed: `Follower`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:20:3
Dec 18 01:44:42.443 INFO [stderr]    |
Dec 18 01:44:42.443 INFO [stderr] 20 |   Follower(StateMachine<Follower>),
Dec 18 01:44:42.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: variant is never constructed: `Candidate`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:21:3
Dec 18 01:44:42.443 INFO [stderr]    |
Dec 18 01:44:42.443 INFO [stderr] 21 |   Candidate(StateMachine<Candidate>),
Dec 18 01:44:42.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: variant is never constructed: `Leader`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:22:3
Dec 18 01:44:42.443 INFO [stderr]    |
Dec 18 01:44:42.443 INFO [stderr] 22 |   Leader(StateMachine<Leader>)
Dec 18 01:44:42.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: method is never used: `init`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:42:3
Dec 18 01:44:42.443 INFO [stderr]    |
Dec 18 01:44:42.443 INFO [stderr] 42 |   pub fn init() -> StateMachine<Follower> {
Dec 18 01:44:42.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: method is never used: `vote`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:47:3
Dec 18 01:44:42.443 INFO [stderr]    |
Dec 18 01:44:42.443 INFO [stderr] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
Dec 18 01:44:42.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: method is never used: `complete_vote`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:52:3
Dec 18 01:44:42.443 INFO [stderr]    |
Dec 18 01:44:42.443 INFO [stderr] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
Dec 18 01:44:42.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: method is never used: `election_timeout`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:57:3
Dec 18 01:44:42.443 INFO [stderr]    |
Dec 18 01:44:42.443 INFO [stderr] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
Dec 18 01:44:42.443 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.443 INFO [stderr] 
Dec 18 01:44:42.443 INFO [stderr] warning: method is never used: `failed_majority_timeout`
Dec 18 01:44:42.443 INFO [stderr]   --> src/state.rs:64:3
Dec 18 01:44:42.444 INFO [stderr]    |
Dec 18 01:44:42.444 INFO [stderr] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
Dec 18 01:44:42.444 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.444 INFO [stderr] 
Dec 18 01:44:42.444 INFO [stderr] warning: method is never used: `other_leader_elected`
Dec 18 01:44:42.444 INFO [stderr]   --> src/state.rs:69:3
Dec 18 01:44:42.444 INFO [stderr]    |
Dec 18 01:44:42.444 INFO [stderr] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
Dec 18 01:44:42.444 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.444 INFO [stderr] 
Dec 18 01:44:42.444 INFO [stderr] warning: method is never used: `elected`
Dec 18 01:44:42.444 INFO [stderr]   --> src/state.rs:74:3
Dec 18 01:44:42.444 INFO [stderr]    |
Dec 18 01:44:42.444 INFO [stderr] 74 |   pub fn elected(self) -> StateMachine<Leader> {
Dec 18 01:44:42.444 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.444 INFO [stderr] 
Dec 18 01:44:42.448 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 18 01:44:42.448 INFO [stderr]    --> src/server.rs:107:7
Dec 18 01:44:42.448 INFO [stderr]     |
Dec 18 01:44:42.448 INFO [stderr] 107 |       v.send(rng.gen());
Dec 18 01:44:42.448 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Dec 18 01:44:42.448 INFO [stderr]     |
Dec 18 01:44:42.448 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 18 01:44:42.448 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 18 01:44:42.448 INFO [stderr] 
Dec 18 01:44:45.036 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.85s
Dec 18 01:44:45.902 INFO running `"docker" "inspect" "c634ee6ff5d6d846da163b5102b5620348fbf118e41789273bfb7eed6a87a5c7"`
Dec 18 01:44:46.228 INFO running `"docker" "rm" "-f" "c634ee6ff5d6d846da163b5102b5620348fbf118e41789273bfb7eed6a87a5c7"`
Dec 18 01:44:46.532 INFO [stdout] c634ee6ff5d6d846da163b5102b5620348fbf118e41789273bfb7eed6a87a5c7