Dec 13 22:14:26.700 INFO testing dat2/rust-raft against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 22:14:26.700 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 22:14:27.166 INFO [stdout] 36e38a1b9b2864c32a4acf5ec7baba50e6c4b2e99c90e67bca9a4b872917dc0f
Dec 13 22:14:27.172 INFO running `"docker" "start" "-a" "36e38a1b9b2864c32a4acf5ec7baba50e6c4b2e99c90e67bca9a4b872917dc0f"`
Dec 13 22:14:28.321 INFO [stderr] usermod: no changes
Dec 13 22:14:28.587 INFO [stderr]    Compiling futures v0.1.13
Dec 13 22:14:28.587 INFO [stderr]    Compiling serde v1.0.4
Dec 13 22:14:28.599 INFO [stderr]    Compiling iovec v0.1.0
Dec 13 22:14:28.599 INFO [stderr]    Compiling net2 v0.2.29
Dec 13 22:14:28.599 INFO [stderr]    Compiling backtrace v0.3.0
Dec 13 22:14:28.599 INFO [stderr]    Compiling serde_derive v1.0.4
Dec 13 22:14:28.599 INFO [stderr]    Compiling env_logger v0.4.1
Dec 13 22:14:30.780 INFO [stderr]    Compiling bytes v0.4.3
Dec 13 22:14:35.671 INFO [stderr]    Compiling error-chain v0.7.2
Dec 13 22:14:35.693 INFO [stderr]    Compiling mio v0.6.7
Dec 13 22:14:41.475 INFO [stderr]    Compiling tokio-io v0.1.1
Dec 13 22:14:41.475 INFO [stderr]    Compiling tokio-service v0.1.0
Dec 13 22:14:46.056 INFO [stderr]    Compiling tokio-core v0.1.7
Dec 13 22:14:51.340 INFO [stderr]    Compiling tokio-proto v0.1.1
Dec 13 22:14:52.931 INFO [stderr]    Compiling bincode v0.8.0
Dec 13 22:14:54.607 INFO [stderr]    Compiling raft v0.1.0 (/source)
Dec 13 22:14:55.755 INFO [stderr] warning: unused import: `std::str`
Dec 13 22:14:55.755 INFO [stderr]  --> src/server.rs:4:5
Dec 13 22:14:55.755 INFO [stderr]   |
Dec 13 22:14:55.755 INFO [stderr] 4 | use std::str;
Dec 13 22:14:55.755 INFO [stderr]   |     ^^^^^^^^
Dec 13 22:14:55.755 INFO [stderr]   |
Dec 13 22:14:55.755 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 22:14:55.755 INFO [stderr] 
Dec 13 22:14:55.755 INFO [stderr] warning: unused import: `UnboundedReceiver`
Dec 13 22:14:55.755 INFO [stderr]   --> src/server.rs:13:55
Dec 13 22:14:55.755 INFO [stderr]    |
Dec 13 22:14:55.755 INFO [stderr] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
Dec 13 22:14:55.755 INFO [stderr]    |                                                       ^^^^^^^^^^^^^^^^^
Dec 13 22:14:55.755 INFO [stderr] 
Dec 13 22:14:55.755 INFO [stderr] warning: unused import: `std::str`
Dec 13 22:14:55.755 INFO [stderr]  --> src/client.rs:4:5
Dec 13 22:14:55.755 INFO [stderr]   |
Dec 13 22:14:55.755 INFO [stderr] 4 | use std::str;
Dec 13 22:14:55.755 INFO [stderr]   |     ^^^^^^^^
Dec 13 22:14:55.755 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: method is never used: `new`
Dec 13 22:14:56.044 INFO [stderr]  --> src/state.rs:7:3
Dec 13 22:14:56.044 INFO [stderr]   |
Dec 13 22:14:56.044 INFO [stderr] 7 |   pub fn new() -> RaftState {
Dec 13 22:14:56.044 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr]   |
Dec 13 22:14:56.044 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: method is never used: `vote`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:11:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 11 |   pub fn vote(&mut self, candidate: String) {
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: variant is never constructed: `Follower`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:20:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 20 |   Follower(StateMachine<Follower>),
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: variant is never constructed: `Candidate`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:21:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 21 |   Candidate(StateMachine<Candidate>),
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: variant is never constructed: `Leader`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:22:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 22 |   Leader(StateMachine<Leader>)
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: method is never used: `init`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:42:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 42 |   pub fn init() -> StateMachine<Follower> {
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: method is never used: `vote`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:47:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: method is never used: `complete_vote`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:52:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: method is never used: `election_timeout`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:57:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: method is never used: `failed_majority_timeout`
Dec 13 22:14:56.044 INFO [stderr]   --> src/state.rs:64:3
Dec 13 22:14:56.044 INFO [stderr]    |
Dec 13 22:14:56.044 INFO [stderr] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
Dec 13 22:14:56.044 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.044 INFO [stderr] 
Dec 13 22:14:56.044 INFO [stderr] warning: method is never used: `other_leader_elected`
Dec 13 22:14:56.045 INFO [stderr]   --> src/state.rs:69:3
Dec 13 22:14:56.045 INFO [stderr]    |
Dec 13 22:14:56.045 INFO [stderr] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
Dec 13 22:14:56.045 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.045 INFO [stderr] 
Dec 13 22:14:56.045 INFO [stderr] warning: method is never used: `elected`
Dec 13 22:14:56.045 INFO [stderr]   --> src/state.rs:74:3
Dec 13 22:14:56.045 INFO [stderr]    |
Dec 13 22:14:56.045 INFO [stderr] 74 |   pub fn elected(self) -> StateMachine<Leader> {
Dec 13 22:14:56.045 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.045 INFO [stderr] 
Dec 13 22:14:56.045 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 22:14:56.045 INFO [stderr]    --> src/server.rs:107:7
Dec 13 22:14:56.045 INFO [stderr]     |
Dec 13 22:14:56.045 INFO [stderr] 107 |       v.send(rng.gen());
Dec 13 22:14:56.045 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Dec 13 22:14:56.045 INFO [stderr]     |
Dec 13 22:14:56.045 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 22:14:56.045 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 22:14:56.045 INFO [stderr] 
Dec 13 22:15:03.914 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.57s
Dec 13 22:15:03.924 INFO [stderr] su: No module specific data is present
Dec 13 22:15:04.167 INFO running `"docker" "inspect" "36e38a1b9b2864c32a4acf5ec7baba50e6c4b2e99c90e67bca9a4b872917dc0f"`
Dec 13 22:15:04.281 INFO running `"docker" "rm" "-f" "36e38a1b9b2864c32a4acf5ec7baba50e6c4b2e99c90e67bca9a4b872917dc0f"`
Dec 13 22:15:04.402 INFO [stdout] 36e38a1b9b2864c32a4acf5ec7baba50e6c4b2e99c90e67bca9a4b872917dc0f
Dec 13 22:15:04.408 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 22:15:04.593 INFO [stdout] 8edf4cac8d2fc20412a3f80e8e037ee103ba7ab5af338823337763ac6f904769
Dec 13 22:15:04.600 INFO running `"docker" "start" "-a" "8edf4cac8d2fc20412a3f80e8e037ee103ba7ab5af338823337763ac6f904769"`
Dec 13 22:15:05.191 INFO [stderr] usermod: no changes
Dec 13 22:15:05.323 INFO [stderr]    Compiling raft v0.1.0 (/source)
Dec 13 22:15:06.420 INFO [stderr] warning: unused import: `std::str`
Dec 13 22:15:06.420 INFO [stderr]  --> src/server.rs:4:5
Dec 13 22:15:06.420 INFO [stderr]   |
Dec 13 22:15:06.420 INFO [stderr] 4 | use std::str;
Dec 13 22:15:06.420 INFO [stderr]   |     ^^^^^^^^
Dec 13 22:15:06.420 INFO [stderr]   |
Dec 13 22:15:06.420 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 13 22:15:06.420 INFO [stderr] 
Dec 13 22:15:06.420 INFO [stderr] warning: unused import: `UnboundedReceiver`
Dec 13 22:15:06.420 INFO [stderr]   --> src/server.rs:13:55
Dec 13 22:15:06.421 INFO [stderr]    |
Dec 13 22:15:06.421 INFO [stderr] 13 | use futures::sync::mpsc::{unbounded, UnboundedSender, UnboundedReceiver};
Dec 13 22:15:06.421 INFO [stderr]    |                                                       ^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.421 INFO [stderr] 
Dec 13 22:15:06.422 INFO [stderr] warning: unused import: `std::str`
Dec 13 22:15:06.422 INFO [stderr]  --> src/client.rs:4:5
Dec 13 22:15:06.422 INFO [stderr]   |
Dec 13 22:15:06.422 INFO [stderr] 4 | use std::str;
Dec 13 22:15:06.423 INFO [stderr]   |     ^^^^^^^^
Dec 13 22:15:06.423 INFO [stderr] 
Dec 13 22:15:06.771 INFO [stderr] warning: method is never used: `new`
Dec 13 22:15:06.771 INFO [stderr]  --> src/state.rs:7:3
Dec 13 22:15:06.771 INFO [stderr]   |
Dec 13 22:15:06.771 INFO [stderr] 7 |   pub fn new() -> RaftState {
Dec 13 22:15:06.771 INFO [stderr]   |   ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.771 INFO [stderr]   |
Dec 13 22:15:06.771 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 13 22:15:06.771 INFO [stderr] 
Dec 13 22:15:06.771 INFO [stderr] warning: method is never used: `vote`
Dec 13 22:15:06.771 INFO [stderr]   --> src/state.rs:11:3
Dec 13 22:15:06.771 INFO [stderr]    |
Dec 13 22:15:06.771 INFO [stderr] 11 |   pub fn vote(&mut self, candidate: String) {
Dec 13 22:15:06.771 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.771 INFO [stderr] 
Dec 13 22:15:06.771 INFO [stderr] warning: variant is never constructed: `Follower`
Dec 13 22:15:06.771 INFO [stderr]   --> src/state.rs:20:3
Dec 13 22:15:06.771 INFO [stderr]    |
Dec 13 22:15:06.771 INFO [stderr] 20 |   Follower(StateMachine<Follower>),
Dec 13 22:15:06.771 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.771 INFO [stderr] 
Dec 13 22:15:06.771 INFO [stderr] warning: variant is never constructed: `Candidate`
Dec 13 22:15:06.771 INFO [stderr]   --> src/state.rs:21:3
Dec 13 22:15:06.771 INFO [stderr]    |
Dec 13 22:15:06.771 INFO [stderr] 21 |   Candidate(StateMachine<Candidate>),
Dec 13 22:15:06.771 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.771 INFO [stderr] 
Dec 13 22:15:06.771 INFO [stderr] warning: variant is never constructed: `Leader`
Dec 13 22:15:06.771 INFO [stderr]   --> src/state.rs:22:3
Dec 13 22:15:06.771 INFO [stderr]    |
Dec 13 22:15:06.771 INFO [stderr] 22 |   Leader(StateMachine<Leader>)
Dec 13 22:15:06.771 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.771 INFO [stderr] 
Dec 13 22:15:06.771 INFO [stderr] warning: method is never used: `init`
Dec 13 22:15:06.771 INFO [stderr]   --> src/state.rs:42:3
Dec 13 22:15:06.771 INFO [stderr]    |
Dec 13 22:15:06.771 INFO [stderr] 42 |   pub fn init() -> StateMachine<Follower> {
Dec 13 22:15:06.771 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.771 INFO [stderr] 
Dec 13 22:15:06.771 INFO [stderr] warning: method is never used: `vote`
Dec 13 22:15:06.771 INFO [stderr]   --> src/state.rs:47:3
Dec 13 22:15:06.771 INFO [stderr]    |
Dec 13 22:15:06.771 INFO [stderr] 47 |   pub fn vote(self, candidate: String) -> StateMachine<Follower> {
Dec 13 22:15:06.771 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.772 INFO [stderr] 
Dec 13 22:15:06.772 INFO [stderr] warning: method is never used: `complete_vote`
Dec 13 22:15:06.772 INFO [stderr]   --> src/state.rs:52:3
Dec 13 22:15:06.772 INFO [stderr]    |
Dec 13 22:15:06.772 INFO [stderr] 52 |   pub fn complete_vote(self) -> StateMachine<Follower> {
Dec 13 22:15:06.772 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.772 INFO [stderr] 
Dec 13 22:15:06.772 INFO [stderr] warning: method is never used: `election_timeout`
Dec 13 22:15:06.772 INFO [stderr]   --> src/state.rs:57:3
Dec 13 22:15:06.772 INFO [stderr]    |
Dec 13 22:15:06.772 INFO [stderr] 57 |   pub fn election_timeout(self) -> StateMachine<Candidate> {
Dec 13 22:15:06.772 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.772 INFO [stderr] 
Dec 13 22:15:06.772 INFO [stderr] warning: method is never used: `failed_majority_timeout`
Dec 13 22:15:06.772 INFO [stderr]   --> src/state.rs:64:3
Dec 13 22:15:06.772 INFO [stderr]    |
Dec 13 22:15:06.772 INFO [stderr] 64 |   pub fn failed_majority_timeout(self) -> StateMachine<Candidate> {
Dec 13 22:15:06.772 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.772 INFO [stderr] 
Dec 13 22:15:06.772 INFO [stderr] warning: method is never used: `other_leader_elected`
Dec 13 22:15:06.772 INFO [stderr]   --> src/state.rs:69:3
Dec 13 22:15:06.772 INFO [stderr]    |
Dec 13 22:15:06.772 INFO [stderr] 69 |   pub fn other_leader_elected(self) -> StateMachine<Follower> {
Dec 13 22:15:06.772 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.772 INFO [stderr] 
Dec 13 22:15:06.772 INFO [stderr] warning: method is never used: `elected`
Dec 13 22:15:06.772 INFO [stderr]   --> src/state.rs:74:3
Dec 13 22:15:06.772 INFO [stderr]    |
Dec 13 22:15:06.772 INFO [stderr] 74 |   pub fn elected(self) -> StateMachine<Leader> {
Dec 13 22:15:06.772 INFO [stderr]    |   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.772 INFO [stderr] 
Dec 13 22:15:06.772 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 13 22:15:06.772 INFO [stderr]    --> src/server.rs:107:7
Dec 13 22:15:06.772 INFO [stderr]     |
Dec 13 22:15:06.772 INFO [stderr] 107 |       v.send(rng.gen());
Dec 13 22:15:06.772 INFO [stderr]     |       ^^^^^^^^^^^^^^^^^^
Dec 13 22:15:06.772 INFO [stderr]     |
Dec 13 22:15:06.772 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 13 22:15:06.772 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 13 22:15:06.772 INFO [stderr] 
Dec 13 22:15:08.123 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
Dec 13 22:15:08.131 INFO [stderr] su: No module specific data is present
Dec 13 22:15:08.401 INFO running `"docker" "inspect" "8edf4cac8d2fc20412a3f80e8e037ee103ba7ab5af338823337763ac6f904769"`
Dec 13 22:15:08.511 INFO running `"docker" "rm" "-f" "8edf4cac8d2fc20412a3f80e8e037ee103ba7ab5af338823337763ac6f904769"`
Dec 13 22:15:08.655 INFO [stdout] 8edf4cac8d2fc20412a3f80e8e037ee103ba7ab5af338823337763ac6f904769
Dec 13 22:15:08.659 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-0/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 22:15:08.901 INFO [stdout] 5aba222bf2f221faa1f2523211022659d5f9773fbcb4b3fdb93c7ee749ed784b
Dec 13 22:15:08.904 INFO running `"docker" "start" "-a" "5aba222bf2f221faa1f2523211022659d5f9773fbcb4b3fdb93c7ee749ed784b"`
Dec 13 22:15:10.340 INFO [stderr] usermod: no changes
Dec 13 22:15:10.567 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
Dec 13 22:15:10.579 INFO [stderr]      Running /target/debug/deps/raft-a1454cf73ed5f26a
Dec 13 22:15:10.602 INFO [stdout] 
Dec 13 22:15:10.602 INFO [stdout] running 0 tests
Dec 13 22:15:10.602 INFO [stdout] 
Dec 13 22:15:10.602 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 22:15:10.602 INFO [stdout] 
Dec 13 22:15:10.606 INFO [stderr]      Running /target/debug/deps/raftd-d2228e9672c3ac1f
Dec 13 22:15:10.630 INFO [stderr]    Doc-tests raft
Dec 13 22:15:10.631 INFO [stdout] 
Dec 13 22:15:10.631 INFO [stdout] running 0 tests
Dec 13 22:15:10.631 INFO [stdout] 
Dec 13 22:15:10.631 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 22:15:10.631 INFO [stdout] 
Dec 13 22:15:13.107 INFO [stdout] 
Dec 13 22:15:13.108 INFO [stdout] running 0 tests
Dec 13 22:15:13.108 INFO [stdout] 
Dec 13 22:15:13.108 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 22:15:13.108 INFO [stdout] 
Dec 13 22:15:13.123 INFO [stderr] su: No module specific data is present
Dec 13 22:15:14.148 INFO running `"docker" "inspect" "5aba222bf2f221faa1f2523211022659d5f9773fbcb4b3fdb93c7ee749ed784b"`
Dec 13 22:15:14.328 INFO running `"docker" "rm" "-f" "5aba222bf2f221faa1f2523211022659d5f9773fbcb4b3fdb93c7ee749ed784b"`
Dec 13 22:15:14.552 INFO [stdout] 5aba222bf2f221faa1f2523211022659d5f9773fbcb4b3fdb93c7ee749ed784b