[INFO] cloning repository https://github.com/dat2/rust-raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dat2/rust-raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frust-raft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frust-raft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8881ddba811664ddb4f67e143b876fc7f06a5c9d
[INFO] testing dat2/rust-raft against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdat2%2Frust-raft" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dat2/rust-raft on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dat2/rust-raft
[INFO] finished tweaking git repo https://github.com/dat2/rust-raft
[INFO] tweaked toml for git repo https://github.com/dat2/rust-raft written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/dat2/rust-raft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3822d46be89190531ee3bb6a266cc7c26328fb5b547ab67582ce2c582134ff35
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3822d46be89190531ee3bb6a266cc7c26328fb5b547ab67582ce2c582134ff35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3822d46be89190531ee3bb6a266cc7c26328fb5b547ab67582ce2c582134ff35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3822d46be89190531ee3bb6a266cc7c26328fb5b547ab67582ce2c582134ff35", kill_on_drop: false }`
[INFO] [stdout] 3822d46be89190531ee3bb6a266cc7c26328fb5b547ab67582ce2c582134ff35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dce8a3b34ebc9fdc61b855487f1b6f9b1eba4928a7c496dc59bf8715d52183ff
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "dce8a3b34ebc9fdc61b855487f1b6f9b1eba4928a7c496dc59bf8715d52183ff", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.21
[INFO] [stderr]    Compiling gcc v0.3.43
[INFO] [stderr]    Compiling log v0.3.6
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling futures v0.1.13
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling lazycell v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling regex-syntax v0.4.0
[INFO] [stderr]    Compiling scoped-tls v0.1.0
[INFO] [stderr]    Compiling num-traits v0.1.37
[INFO] [stderr]    Compiling serde v1.0.4
[INFO] [stderr]    Compiling vec_map v0.6.0
[INFO] [stderr]    Compiling strsim v0.6.0
[INFO] [stderr]    Compiling ansi_term v0.9.0
[INFO] [stderr]    Compiling unicode-width v0.1.4
[INFO] [stderr]    Compiling unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling dbghelp-sys v0.2.0
[INFO] [stderr]    Compiling unreachable v0.1.1
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]    Compiling iovec v0.1.0
[INFO] [stderr]    Compiling memchr v1.0.1
[INFO] [stderr]    Compiling thread-id v3.0.0
[INFO] [stderr]    Compiling net2 v0.2.29
[INFO] [stderr]    Compiling term_size v0.2.3
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling thread_local v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.10
[INFO] [stderr]    Compiling clap v2.20.5
[INFO] [stderr]    Compiling bytes v0.4.3
[INFO] [stderr]    Compiling aho-corasick v0.6.2
[INFO] [stderr]    Compiling mio v0.6.7
[INFO] [stderr]    Compiling regex v0.2.1
[INFO] [stderr]    Compiling serde_derive_internals v0.15.0
[INFO] [stderr]    Compiling tokio-io v0.1.1
[INFO] [stderr]    Compiling tokio-service v0.1.0
[INFO] [stderr]    Compiling tokio-core v0.1.7
[INFO] [stderr]    Compiling serde_derive v1.0.4
[INFO] [stderr]    Compiling env_logger v0.4.1
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling bincode v0.8.0
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnboundedReceiver`
[INFO] [stdout]   --> src/server.rs:13:55
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:34:62
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:53:60
[INFO] [stdout]    |
[INFO] [stdout] 53 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:87:85
[INFO] [stdout]    |
[INFO] [stdout] 87 |         self.tx.send(oneshot_tx).map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:89:87
[INFO] [stdout]    |
[INFO] [stdout] 89 |           .and_then(|_| oneshot_rx.map_err(|e| io::Error::new(io::ErrorKind::Other, e.description())))
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/client.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/client.rs:52:60
[INFO] [stdout]    |
[INFO] [stdout] 52 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/state.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   pub fn new() -> RaftState {
[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: `vote`
[INFO] [stdout]   --> src/state.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn vote(&mut self, candidate: String) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Follower`
[INFO] [stdout]   --> src/state.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   Follower(StateMachine<Follower>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Candidate`
[INFO] [stdout]   --> src/state.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   Candidate(StateMachine<Candidate>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leader`
[INFO] [stdout]   --> src/state.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   Leader(StateMachine<Leader>)
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/state.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn init() -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vote`
[INFO] [stdout]   --> src/state.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `complete_vote`
[INFO] [stdout]   --> src/state.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `election_timeout`
[INFO] [stdout]   --> src/state.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `failed_majority_timeout`
[INFO] [stdout]   --> src/state.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `other_leader_elected`
[INFO] [stdout]   --> src/state.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `elected`
[INFO] [stdout]   --> src/state.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |   pub fn elected(self) -> StateMachine<Leader> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 |       v.send(rng.gen());
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Err(e) => Err(e.description().to_string())
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.32s
[INFO] running `Command { std: "docker" "inspect" "dce8a3b34ebc9fdc61b855487f1b6f9b1eba4928a7c496dc59bf8715d52183ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce8a3b34ebc9fdc61b855487f1b6f9b1eba4928a7c496dc59bf8715d52183ff", kill_on_drop: false }`
[INFO] [stdout] dce8a3b34ebc9fdc61b855487f1b6f9b1eba4928a7c496dc59bf8715d52183ff
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d9ccf460c2964e7abd1e9ead608a811e4dbde39d69bcf837984ecb2743a11cfe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d9ccf460c2964e7abd1e9ead608a811e4dbde39d69bcf837984ecb2743a11cfe", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnboundedReceiver`
[INFO] [stdout]   --> src/server.rs:13:55
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:34:62
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:53:60
[INFO] [stdout]    |
[INFO] [stdout] 53 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:87:85
[INFO] [stdout]    |
[INFO] [stdout] 87 |         self.tx.send(oneshot_tx).map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:89:87
[INFO] [stdout]    |
[INFO] [stdout] 89 |           .and_then(|_| oneshot_rx.map_err(|e| io::Error::new(io::ErrorKind::Other, e.description())))
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/client.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/client.rs:52:60
[INFO] [stdout]    |
[INFO] [stdout] 52 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/state.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   pub fn new() -> RaftState {
[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: `vote`
[INFO] [stdout]   --> src/state.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn vote(&mut self, candidate: String) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Follower`
[INFO] [stdout]   --> src/state.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   Follower(StateMachine<Follower>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Candidate`
[INFO] [stdout]   --> src/state.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   Candidate(StateMachine<Candidate>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leader`
[INFO] [stdout]   --> src/state.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   Leader(StateMachine<Leader>)
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/state.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn init() -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vote`
[INFO] [stdout]   --> src/state.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `complete_vote`
[INFO] [stdout]   --> src/state.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `election_timeout`
[INFO] [stdout]   --> src/state.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `failed_majority_timeout`
[INFO] [stdout]   --> src/state.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `other_leader_elected`
[INFO] [stdout]   --> src/state.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `elected`
[INFO] [stdout]   --> src/state.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |   pub fn elected(self) -> StateMachine<Leader> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 |       v.send(rng.gen());
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/server.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `UnboundedReceiver`
[INFO] [stdout]   --> src/server.rs:13:55
[INFO] [stdout]    |
[INFO] [stdout] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str`
[INFO] [stdout]  --> src/client.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::str;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     Err(e) => Err(e.description().to_string())
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:34:62
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:53:60
[INFO] [stdout]    |
[INFO] [stdout] 53 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:87:85
[INFO] [stdout]    |
[INFO] [stdout] 87 |         self.tx.send(oneshot_tx).map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/server.rs:89:87
[INFO] [stdout]    |
[INFO] [stdout] 89 |           .and_then(|_| oneshot_rx.map_err(|e| io::Error::new(io::ErrorKind::Other, e.description())))
[INFO] [stdout]    |                                                                                       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/client.rs:33:62
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stdout]    |                                                              ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/client.rs:52:60
[INFO] [stdout]    |
[INFO] [stdout] 52 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stdout]    |                                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stdout]   --> src/errors.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | / error_chain! {
[INFO] [stdout] 2  | |
[INFO] [stdout] 3  | |   types {
[INFO] [stdout] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stdout] ...  |
[INFO] [stdout] 12 | |   }
[INFO] [stdout] 13 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/state.rs:7:10
[INFO] [stdout]   |
[INFO] [stdout] 7 |   pub fn new() -> RaftState {
[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: `vote`
[INFO] [stdout]   --> src/state.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 |   pub fn vote(&mut self, candidate: String) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Follower`
[INFO] [stdout]   --> src/state.rs:20:3
[INFO] [stdout]    |
[INFO] [stdout] 20 |   Follower(StateMachine<Follower>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Candidate`
[INFO] [stdout]   --> src/state.rs:21:3
[INFO] [stdout]    |
[INFO] [stdout] 21 |   Candidate(StateMachine<Candidate>),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Leader`
[INFO] [stdout]   --> src/state.rs:22:3
[INFO] [stdout]    |
[INFO] [stdout] 22 |   Leader(StateMachine<Leader>)
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `init`
[INFO] [stdout]   --> src/state.rs:42:10
[INFO] [stdout]    |
[INFO] [stdout] 42 |   pub fn init() -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `vote`
[INFO] [stdout]   --> src/state.rs:47:10
[INFO] [stdout]    |
[INFO] [stdout] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `complete_vote`
[INFO] [stdout]   --> src/state.rs:52:10
[INFO] [stdout]    |
[INFO] [stdout] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `election_timeout`
[INFO] [stdout]   --> src/state.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `failed_majority_timeout`
[INFO] [stdout]   --> src/state.rs:64:10
[INFO] [stdout]    |
[INFO] [stdout] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `other_leader_elected`
[INFO] [stdout]   --> src/state.rs:69:10
[INFO] [stdout]    |
[INFO] [stdout] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
[INFO] [stdout]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `elected`
[INFO] [stdout]   --> src/state.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 74 |   pub fn elected(self) -> StateMachine<Leader> {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/server.rs:107:7
[INFO] [stdout]     |
[INFO] [stdout] 107 |       v.send(rng.gen());
[INFO] [stdout]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 25 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "d9ccf460c2964e7abd1e9ead608a811e4dbde39d69bcf837984ecb2743a11cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9ccf460c2964e7abd1e9ead608a811e4dbde39d69bcf837984ecb2743a11cfe", kill_on_drop: false }`
[INFO] [stdout] d9ccf460c2964e7abd1e9ead608a811e4dbde39d69bcf837984ecb2743a11cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4ff902d993b205c859972027c0d60c858365ace10a12296a4cb70fedf40ec664
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4ff902d993b205c859972027c0d60c858365ace10a12296a4cb70fedf40ec664", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UnboundedReceiver`
[INFO] [stderr]   --> src/server.rs:13:55
[INFO] [stderr]    |
[INFO] [stderr] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/client.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | |   types {
[INFO] [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |   }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | |   types {
[INFO] [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |   }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:34:62
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stderr]    |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:53:60
[INFO] [stderr]    |
[INFO] [stderr] 53 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:87:85
[INFO] [stderr]    |
[INFO] [stderr] 87 |         self.tx.send(oneshot_tx).map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:89:87
[INFO] [stderr]    |
[INFO] [stderr] 89 |           .and_then(|_| oneshot_rx.map_err(|e| io::Error::new(io::ErrorKind::Other, e.description())))
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/client.rs:33:62
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stderr]    |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/client.rs:52:60
[INFO] [stderr]    |
[INFO] [stderr] 52 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | |   types {
[INFO] [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |   }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/state.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 |   pub fn new() -> RaftState {
[INFO] [stderr]   |          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `vote`
[INFO] [stderr]   --> src/state.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn vote(&mut self, candidate: String) {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Follower`
[INFO] [stderr]   --> src/state.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   Follower(StateMachine<Follower>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Candidate`
[INFO] [stderr]   --> src/state.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   Candidate(StateMachine<Candidate>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leader`
[INFO] [stderr]   --> src/state.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   Leader(StateMachine<Leader>)
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `init`
[INFO] [stderr]   --> src/state.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub fn init() -> StateMachine<Follower> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `vote`
[INFO] [stderr]   --> src/state.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `complete_vote`
[INFO] [stderr]   --> src/state.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `election_timeout`
[INFO] [stderr]   --> src/state.rs:57:10
[INFO] [stderr]    |
[INFO] [stderr] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `failed_majority_timeout`
[INFO] [stderr]   --> src/state.rs:64:10
[INFO] [stderr]    |
[INFO] [stderr] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `other_leader_elected`
[INFO] [stderr]   --> src/state.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `elected`
[INFO] [stderr]   --> src/state.rs:74:10
[INFO] [stderr]    |
[INFO] [stderr] 74 |   pub fn elected(self) -> StateMachine<Leader> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:107:7
[INFO] [stderr]     |
[INFO] [stderr] 107 |       v.send(rng.gen());
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/server.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `UnboundedReceiver`
[INFO] [stderr]   --> src/server.rs:13:55
[INFO] [stderr]    |
[INFO] [stderr] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::str`
[INFO] [stderr]  --> src/client.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::str;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | |   types {
[INFO] [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |   }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | |   types {
[INFO] [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |   }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:34:62
[INFO] [stderr]    |
[INFO] [stderr] 34 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stderr]    |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:53:60
[INFO] [stderr]    |
[INFO] [stderr] 53 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:87:85
[INFO] [stderr]    |
[INFO] [stderr] 87 |         self.tx.send(oneshot_tx).map_err(|e| io::Error::new(io::ErrorKind::Other, e.description()))
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/server.rs:89:87
[INFO] [stderr]    |
[INFO] [stderr] 89 |           .and_then(|_| oneshot_rx.map_err(|e| io::Error::new(io::ErrorKind::Other, e.description())))
[INFO] [stderr]    |                                                                                       ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/client.rs:33:62
[INFO] [stderr]    |
[INFO] [stderr] 33 |         Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stderr]    |                                                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/client.rs:52:60
[INFO] [stderr]    |
[INFO] [stderr] 52 |       Err(e) => Err(io::Error::new(io::ErrorKind::Other, e.description())),
[INFO] [stderr]    |                                                            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::cause`: replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:1:1
[INFO] [stderr]    |
[INFO] [stderr] 1  | / error_chain! {
[INFO] [stderr] 2  | |
[INFO] [stderr] 3  | |   types {
[INFO] [stderr] 4  | |     Error, ErrorKind, ResultExt, Result;
[INFO] [stderr] ...  |
[INFO] [stderr] 12 | |   }
[INFO] [stderr] 13 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]  --> src/state.rs:7:10
[INFO] [stderr]   |
[INFO] [stderr] 7 |   pub fn new() -> RaftState {
[INFO] [stderr]   |          ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `vote`
[INFO] [stderr]   --> src/state.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 11 |   pub fn vote(&mut self, candidate: String) {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Follower`
[INFO] [stderr]   --> src/state.rs:20:3
[INFO] [stderr]    |
[INFO] [stderr] 20 |   Follower(StateMachine<Follower>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Candidate`
[INFO] [stderr]   --> src/state.rs:21:3
[INFO] [stderr]    |
[INFO] [stderr] 21 |   Candidate(StateMachine<Candidate>),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Leader`
[INFO] [stderr]   --> src/state.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   Leader(StateMachine<Leader>)
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `init`
[INFO] [stderr]   --> src/state.rs:42:10
[INFO] [stderr]    |
[INFO] [stderr] 42 |   pub fn init() -> StateMachine<Follower> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `vote`
[INFO] [stderr]   --> src/state.rs:47:10
[INFO] [stderr]    |
[INFO] [stderr] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `complete_vote`
[INFO] [stderr]   --> src/state.rs:52:10
[INFO] [stderr]    |
[INFO] [stderr] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `election_timeout`
[INFO] [stderr]   --> src/state.rs:57:10
[INFO] [stderr]    |
[INFO] [stderr] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `failed_majority_timeout`
[INFO] [stderr]   --> src/state.rs:64:10
[INFO] [stderr]    |
[INFO] [stderr] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `other_leader_elected`
[INFO] [stderr]   --> src/state.rs:69:10
[INFO] [stderr]    |
[INFO] [stderr] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
[INFO] [stderr]    |          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `elected`
[INFO] [stderr]   --> src/state.rs:74:10
[INFO] [stderr]    |
[INFO] [stderr] 74 |   pub fn elected(self) -> StateMachine<Leader> {
[INFO] [stderr]    |          ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/server.rs:107:7
[INFO] [stderr]     |
[INFO] [stderr] 107 |       v.send(rng.gen());
[INFO] [stderr]     |       ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 25 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |     Err(e) => Err(e.description().to_string())
[INFO] [stderr]    |                     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raft-7bd677249cb62acd
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/raftd-9212c8e70156280a
[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] [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] [stderr]    Doc-tests raft
[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 `Command { std: "docker" "inspect" "4ff902d993b205c859972027c0d60c858365ace10a12296a4cb70fedf40ec664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ff902d993b205c859972027c0d60c858365ace10a12296a4cb70fedf40ec664", kill_on_drop: false }`
[INFO] [stdout] 4ff902d993b205c859972027c0d60c858365ace10a12296a4cb70fedf40ec664
