[INFO] cloning repository https://github.com/dpavlov/raft
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dpavlov/raft" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpavlov%2Fraft", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpavlov%2Fraft'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dc8052ebcc9e98daf29ae6ff271ab93d3ae9e3df
[INFO] checking dpavlov/raft against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdpavlov%2Fraft" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dpavlov/raft on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dpavlov/raft
[INFO] finished tweaking git repo https://github.com/dpavlov/raft
[INFO] tweaked toml for git repo https://github.com/dpavlov/raft written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/dpavlov/raft already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e4f4e84c88f7e293892dda211555652dbd1b4e2a69db436b8cbbc890888b8a5d
[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" "e4f4e84c88f7e293892dda211555652dbd1b4e2a69db436b8cbbc890888b8a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e4f4e84c88f7e293892dda211555652dbd1b4e2a69db436b8cbbc890888b8a5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e4f4e84c88f7e293892dda211555652dbd1b4e2a69db436b8cbbc890888b8a5d", kill_on_drop: false }`
[INFO] [stdout] e4f4e84c88f7e293892dda211555652dbd1b4e2a69db436b8cbbc890888b8a5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c1c2064701a3e25096c44b6d795b6f30987996b4c13c6f7196a347d32f98abe
[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" "8c1c2064701a3e25096c44b6d795b6f30987996b4c13c6f7196a347d32f98abe", kill_on_drop: false }`
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[INFO] [stderr]     Checking raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::log::OpType`
[INFO] [stdout]  --> src/client.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::log::OpType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/client.rs:63:40
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.leader = Some(msg.leader);;
[INFO] [stdout]    |                                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::log::OpType`
[INFO] [stdout]  --> src/client.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::log::OpType;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/client.rs:63:40
[INFO] [stdout]    |
[INFO] [stdout] 63 |         self.leader = Some(msg.leader);;
[INFO] [stdout]    |                                        ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use std::time::Duration;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `act`
[INFO] [stdout]   --> src/client.rs:39:51
[INFO] [stdout]    |
[INFO] [stdout] 39 |         ctx.run_interval(Duration::from_secs(5), |act, ctx| {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_act`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/client.rs:61:49
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn handle(&mut self, msg: LeaderDiscovered, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/client.rs:70:41
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn handle(&mut self, _: LeaderLost, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pear_id`
[INFO] [stdout]   --> src/heartbeat.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let pear_id = pear.id;
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pear_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/election.rs:162:26
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn handle(&mut self, msg: Append, _: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `act`
[INFO] [stdout]   --> src/client.rs:39:51
[INFO] [stdout]    |
[INFO] [stdout] 39 |         ctx.run_interval(Duration::from_secs(5), |act, ctx| {
[INFO] [stdout]    |                                                   ^^^ help: if this is intentional, prefix it with an underscore: `_act`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/client.rs:61:49
[INFO] [stdout]    |
[INFO] [stdout] 61 |     fn handle(&mut self, msg: LeaderDiscovered, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                                 ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ctx`
[INFO] [stdout]   --> src/client.rs:70:41
[INFO] [stdout]    |
[INFO] [stdout] 70 |     fn handle(&mut self, _: LeaderLost, ctx: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]    |                                         ^^^ help: if this is intentional, prefix it with an underscore: `_ctx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pear_id`
[INFO] [stdout]   --> src/heartbeat.rs:68:25
[INFO] [stdout]    |
[INFO] [stdout] 68 |                     let pear_id = pear.id;
[INFO] [stdout]    |                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_pear_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]    --> src/election.rs:162:26
[INFO] [stdout]     |
[INFO] [stdout] 162 |     fn handle(&mut self, msg: Append, _: &mut Context<Self>) -> Self::Result {
[INFO] [stdout]     |                          ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_log_index`
[INFO] [stdout]   --> src/election.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     last_log_index: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_log_term`
[INFO] [stdout]   --> src/election.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     last_log_term: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]  --> src/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DELETE
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/log.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get(&self, index: usize) -> &Operation {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `all`
[INFO] [stdout]   --> src/log.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn all(&self) -> &[Operation] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `last_index`
[INFO] [stdout]   --> src/log.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn last_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `last_term`
[INFO] [stdout]   --> src/log.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn last_term(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `term_for`
[INFO] [stdout]   --> src/log.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn term_for(&self, index: usize) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `truncate`
[INFO] [stdout]   --> src/log.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn truncate(&mut self, start_index: usize) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_log_index`
[INFO] [stdout]   --> src/election.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     last_log_index: i32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `last_log_term`
[INFO] [stdout]   --> src/election.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     last_log_term: i64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `DELETE`
[INFO] [stdout]  --> src/log.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     DELETE
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/log.rs:69:12
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn get(&self, index: usize) -> &Operation {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `all`
[INFO] [stdout]   --> src/log.rs:73:12
[INFO] [stdout]    |
[INFO] [stdout] 73 |     pub fn all(&self) -> &[Operation] {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `last_index`
[INFO] [stdout]   --> src/log.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 |     pub fn last_index(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `last_term`
[INFO] [stdout]   --> src/log.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn last_term(&self) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `term_for`
[INFO] [stdout]   --> src/log.rs:85:12
[INFO] [stdout]    |
[INFO] [stdout] 85 |     pub fn term_for(&self, index: usize) -> i64 {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `truncate`
[INFO] [stdout]   --> src/log.rs:93:12
[INFO] [stdout]    |
[INFO] [stdout] 93 |     pub fn truncate(&mut self, start_index: usize) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stdout]   --> src/log.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.operations.drain(start_index .. end_index).collect::<Vec<Operation>>();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `std::iter::Iterator::collect` that must be used
[INFO] [stdout]   --> src/log.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 95 |         self.operations.drain(start_index .. end_index).collect::<Vec<Operation>>();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: if you really need to exhaust the iterator, consider `.for_each(drop)` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 16s
[INFO] running `Command { std: "docker" "inspect" "8c1c2064701a3e25096c44b6d795b6f30987996b4c13c6f7196a347d32f98abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c1c2064701a3e25096c44b6d795b6f30987996b4c13c6f7196a347d32f98abe", kill_on_drop: false }`
[INFO] [stdout] 8c1c2064701a3e25096c44b6d795b6f30987996b4c13c6f7196a347d32f98abe