Dec 11 20:04:37.728 INFO checking dat2/rust-raft against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 20:04:37.728 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +3a75e80557a103497cffbcab395a2f37061a77ea-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 11 20:04:38.313 INFO [stdout] 8f774bf7984750bc27ed5d2bdf4fd4c1a748d5bdf32f2d4c8f7940d87d8aa00b
Dec 11 20:04:38.322 INFO running `"docker" "start" "-a" "8f774bf7984750bc27ed5d2bdf4fd4c1a748d5bdf32f2d4c8f7940d87d8aa00b"`
Dec 11 20:04:39.940 INFO [stderr] usermod: no changes
Dec 11 20:04:40.135 INFO [stderr]     Checking serde v1.0.4
Dec 11 20:04:40.140 INFO [stderr]     Checking iovec v0.1.0
Dec 11 20:04:40.160 INFO [stderr]    Compiling backtrace-sys v0.1.10
Dec 11 20:04:40.160 INFO [stderr]     Checking net2 v0.2.29
Dec 11 20:04:40.160 INFO [stderr]     Checking tokio-service v0.1.0
Dec 11 20:04:40.160 INFO [stderr]     Checking env_logger v0.4.1
Dec 11 20:04:40.160 INFO [stderr]    Compiling serde_derive v1.0.4
Dec 11 20:04:41.356 INFO [stderr]     Checking bytes v0.4.3
Dec 11 20:04:42.492 INFO [stderr]     Checking mio v0.6.7
Dec 11 20:04:46.448 INFO [stderr]     Checking tokio-io v0.1.1
Dec 11 20:04:50.101 INFO [stderr]     Checking tokio-core v0.1.7
Dec 11 20:04:55.028 INFO [stderr]     Checking tokio-proto v0.1.1
Dec 11 20:04:59.915 INFO [stderr]     Checking bincode v0.8.0
Dec 11 20:05:04.912 INFO [stderr]     Checking backtrace v0.3.0
Dec 11 20:05:05.450 INFO [stderr]     Checking error-chain v0.7.2
Dec 11 20:05:06.434 INFO [stderr]     Checking raft v0.1.0 (/source)
Dec 11 20:05:08.080 INFO [stderr] warning: unused import: `std::str`
Dec 11 20:05:08.080 INFO [stderr]  --> src/server.rs:4:5
Dec 11 20:05:08.080 INFO [stderr]   |
Dec 11 20:05:08.080 INFO [stderr] 4 | use std::str;
Dec 11 20:05:08.080 INFO [stderr]   |     ^^^^^^^^
Dec 11 20:05:08.080 INFO [stderr]   |
Dec 11 20:05:08.080 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 20:05:08.080 INFO [stderr] 
Dec 11 20:05:08.080 INFO [stderr] warning: unused import: `UnboundedReceiver`
Dec 11 20:05:08.080 INFO [stderr]   --> src/server.rs:13:55
Dec 11 20:05:08.080 INFO [stderr]    |
Dec 11 20:05:08.080 INFO [stderr] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
Dec 11 20:05:08.080 INFO [stderr]    |                                                       ^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.080 INFO [stderr] 
Dec 11 20:05:08.080 INFO [stderr] warning: unused import: `std::str`
Dec 11 20:05:08.080 INFO [stderr]  --> src/client.rs:4:5
Dec 11 20:05:08.080 INFO [stderr]   |
Dec 11 20:05:08.080 INFO [stderr] 4 | use std::str;
Dec 11 20:05:08.080 INFO [stderr]   |     ^^^^^^^^
Dec 11 20:05:08.080 INFO [stderr] 
Dec 11 20:05:08.104 INFO [stderr] warning: unused import: `std::str`
Dec 11 20:05:08.104 INFO [stderr]  --> src/server.rs:4:5
Dec 11 20:05:08.104 INFO [stderr]   |
Dec 11 20:05:08.104 INFO [stderr] 4 | use std::str;
Dec 11 20:05:08.104 INFO [stderr]   |     ^^^^^^^^
Dec 11 20:05:08.104 INFO [stderr]   |
Dec 11 20:05:08.104 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 11 20:05:08.104 INFO [stderr] 
Dec 11 20:05:08.104 INFO [stderr] warning: unused import: `UnboundedReceiver`
Dec 11 20:05:08.104 INFO [stderr]   --> src/server.rs:13:55
Dec 11 20:05:08.104 INFO [stderr]    |
Dec 11 20:05:08.104 INFO [stderr] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
Dec 11 20:05:08.104 INFO [stderr]    |                                                       ^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.104 INFO [stderr] 
Dec 11 20:05:08.104 INFO [stderr] warning: unused import: `std::str`
Dec 11 20:05:08.104 INFO [stderr]  --> src/client.rs:4:5
Dec 11 20:05:08.105 INFO [stderr]   |
Dec 11 20:05:08.105 INFO [stderr] 4 | use std::str;
Dec 11 20:05:08.105 INFO [stderr]   |     ^^^^^^^^
Dec 11 20:05:08.105 INFO [stderr] 
Dec 11 20:05:08.668 INFO [stderr] warning: method is never used: `new`
Dec 11 20:05:08.668 INFO [stderr]  --> src/state.rs:7:3
Dec 11 20:05:08.668 INFO [stderr]   |
Dec 11 20:05:08.668 INFO [stderr] 7 |   pub fn new() -> RaftState {
Dec 11 20:05:08.668 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.668 INFO [stderr]   |
Dec 11 20:05:08.668 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:05:08.668 INFO [stderr] 
Dec 11 20:05:08.668 INFO [stderr] warning: method is never used: `vote`
Dec 11 20:05:08.668 INFO [stderr]   --> src/state.rs:11:3
Dec 11 20:05:08.668 INFO [stderr]    |
Dec 11 20:05:08.668 INFO [stderr] 11 |   pub fn vote(&mut self, candidate: String) {
Dec 11 20:05:08.668 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.668 INFO [stderr] 
Dec 11 20:05:08.668 INFO [stderr] warning: variant is never constructed: `Follower`
Dec 11 20:05:08.668 INFO [stderr]   --> src/state.rs:20:3
Dec 11 20:05:08.668 INFO [stderr]    |
Dec 11 20:05:08.668 INFO [stderr] 20 |   Follower(StateMachine<Follower>),
Dec 11 20:05:08.668 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.668 INFO [stderr] 
Dec 11 20:05:08.668 INFO [stderr] warning: variant is never constructed: `Candidate`
Dec 11 20:05:08.668 INFO [stderr]   --> src/state.rs:21:3
Dec 11 20:05:08.668 INFO [stderr]    |
Dec 11 20:05:08.668 INFO [stderr] 21 |   Candidate(StateMachine<Candidate>),
Dec 11 20:05:08.668 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.668 INFO [stderr] 
Dec 11 20:05:08.668 INFO [stderr] warning: variant is never constructed: `Leader`
Dec 11 20:05:08.668 INFO [stderr]   --> src/state.rs:22:3
Dec 11 20:05:08.668 INFO [stderr]    |
Dec 11 20:05:08.668 INFO [stderr] 22 |   Leader(StateMachine<Leader>)
Dec 11 20:05:08.668 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.668 INFO [stderr] 
Dec 11 20:05:08.668 INFO [stderr] warning: method is never used: `init`
Dec 11 20:05:08.668 INFO [stderr]   --> src/state.rs:42:3
Dec 11 20:05:08.668 INFO [stderr]    |
Dec 11 20:05:08.668 INFO [stderr] 42 |   pub fn init() -> StateMachine<Follower> {
Dec 11 20:05:08.668 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.668 INFO [stderr] 
Dec 11 20:05:08.668 INFO [stderr] warning: method is never used: `vote`
Dec 11 20:05:08.668 INFO [stderr]   --> src/state.rs:47:3
Dec 11 20:05:08.668 INFO [stderr]    |
Dec 11 20:05:08.668 INFO [stderr] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
Dec 11 20:05:08.669 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.669 INFO [stderr] 
Dec 11 20:05:08.669 INFO [stderr] warning: method is never used: `complete_vote`
Dec 11 20:05:08.669 INFO [stderr]   --> src/state.rs:52:3
Dec 11 20:05:08.669 INFO [stderr]    |
Dec 11 20:05:08.669 INFO [stderr] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
Dec 11 20:05:08.669 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.669 INFO [stderr] 
Dec 11 20:05:08.669 INFO [stderr] warning: method is never used: `election_timeout`
Dec 11 20:05:08.669 INFO [stderr]   --> src/state.rs:57:3
Dec 11 20:05:08.669 INFO [stderr]    |
Dec 11 20:05:08.669 INFO [stderr] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
Dec 11 20:05:08.669 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.669 INFO [stderr] 
Dec 11 20:05:08.669 INFO [stderr] warning: method is never used: `failed_majority_timeout`
Dec 11 20:05:08.669 INFO [stderr]   --> src/state.rs:64:3
Dec 11 20:05:08.669 INFO [stderr]    |
Dec 11 20:05:08.669 INFO [stderr] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
Dec 11 20:05:08.669 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.669 INFO [stderr] 
Dec 11 20:05:08.669 INFO [stderr] warning: method is never used: `other_leader_elected`
Dec 11 20:05:08.669 INFO [stderr]   --> src/state.rs:69:3
Dec 11 20:05:08.669 INFO [stderr]    |
Dec 11 20:05:08.669 INFO [stderr] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
Dec 11 20:05:08.669 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.669 INFO [stderr] 
Dec 11 20:05:08.669 INFO [stderr] warning: method is never used: `elected`
Dec 11 20:05:08.669 INFO [stderr]   --> src/state.rs:74:3
Dec 11 20:05:08.669 INFO [stderr]    |
Dec 11 20:05:08.669 INFO [stderr] 74 |   pub fn elected(self) -> StateMachine<Leader> {
Dec 11 20:05:08.669 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.669 INFO [stderr] 
Dec 11 20:05:08.669 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:05:08.669 INFO [stderr]    --> src/server.rs:107:7
Dec 11 20:05:08.669 INFO [stderr]     |
Dec 11 20:05:08.669 INFO [stderr] 107 |       v.send(rng.gen());
Dec 11 20:05:08.669 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.669 INFO [stderr]     |
Dec 11 20:05:08.669 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 20:05:08.669 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:05:08.669 INFO [stderr] 
Dec 11 20:05:08.708 INFO [stderr] warning: method is never used: `new`
Dec 11 20:05:08.708 INFO [stderr]  --> src/state.rs:7:3
Dec 11 20:05:08.708 INFO [stderr]   |
Dec 11 20:05:08.708 INFO [stderr] 7 |   pub fn new() -> RaftState {
Dec 11 20:05:08.708 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.708 INFO [stderr]   |
Dec 11 20:05:08.708 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 11 20:05:08.708 INFO [stderr] 
Dec 11 20:05:08.708 INFO [stderr] warning: method is never used: `vote`
Dec 11 20:05:08.712 INFO [stderr]   --> src/state.rs:11:3
Dec 11 20:05:08.712 INFO [stderr]    |
Dec 11 20:05:08.712 INFO [stderr] 11 |   pub fn vote(&mut self, candidate: String) {
Dec 11 20:05:08.712 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.712 INFO [stderr] 
Dec 11 20:05:08.712 INFO [stderr] warning: variant is never constructed: `Follower`
Dec 11 20:05:08.712 INFO [stderr]   --> src/state.rs:20:3
Dec 11 20:05:08.712 INFO [stderr]    |
Dec 11 20:05:08.712 INFO [stderr] 20 |   Follower(StateMachine<Follower>),
Dec 11 20:05:08.712 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: variant is never constructed: `Candidate`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:21:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 21 |   Candidate(StateMachine<Candidate>),
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: variant is never constructed: `Leader`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:22:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 22 |   Leader(StateMachine<Leader>)
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: method is never used: `init`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:42:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 42 |   pub fn init() -> StateMachine<Follower> {
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: method is never used: `vote`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:47:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: method is never used: `complete_vote`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:52:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: method is never used: `election_timeout`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:57:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: method is never used: `failed_majority_timeout`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:64:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: method is never used: `other_leader_elected`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:69:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.713 INFO [stderr] warning: method is never used: `elected`
Dec 11 20:05:08.713 INFO [stderr]   --> src/state.rs:74:3
Dec 11 20:05:08.713 INFO [stderr]    |
Dec 11 20:05:08.713 INFO [stderr] 74 |   pub fn elected(self) -> StateMachine<Leader> {
Dec 11 20:05:08.713 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.713 INFO [stderr] 
Dec 11 20:05:08.728 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 11 20:05:08.728 INFO [stderr]    --> src/server.rs:107:7
Dec 11 20:05:08.728 INFO [stderr]     |
Dec 11 20:05:08.728 INFO [stderr] 107 |       v.send(rng.gen());
Dec 11 20:05:08.728 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Dec 11 20:05:08.732 INFO [stderr]     |
Dec 11 20:05:08.732 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 11 20:05:08.732 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 11 20:05:08.732 INFO [stderr] 
Dec 11 20:05:13.301 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.34s
Dec 11 20:05:13.320 INFO [stderr] su: No module specific data is present
Dec 11 20:05:14.391 INFO running `"docker" "inspect" "8f774bf7984750bc27ed5d2bdf4fd4c1a748d5bdf32f2d4c8f7940d87d8aa00b"`
Dec 11 20:05:14.774 INFO running `"docker" "rm" "-f" "8f774bf7984750bc27ed5d2bdf4fd4c1a748d5bdf32f2d4c8f7940d87d8aa00b"`
Dec 11 20:05:15.056 INFO [stdout] 8f774bf7984750bc27ed5d2bdf4fd4c1a748d5bdf32f2d4c8f7940d87d8aa00b