[INFO] updating cached repository https://github.com/ed-w-lee/raft-in-rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/ed-w-lee/raft-in-rust
[INFO] [stderr]    6b33f64..d94c4d1  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d94c4d16a504f43536a7f053d997bc5a247f80cc
[INFO] checking ed-w-lee/raft-in-rust against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fed-w-lee%2Fraft-in-rust" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ed-w-lee/raft-in-rust on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ed-w-lee/raft-in-rust
[INFO] removed 0 missing examples
[INFO] finished tweaking git repo https://github.com/ed-w-lee/raft-in-rust
[INFO] tweaked toml for git repo https://github.com/ed-w-lee/raft-in-rust written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ed-w-lee/raft-in-rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 92f4b4351464c740614d75c0091001af8e6fc2f10fbf52008828283801b5fb2e
[INFO] running `"docker" "start" "-a" "92f4b4351464c740614d75c0091001af8e6fc2f10fbf52008828283801b5fb2e"`
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rafted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `leader_data`
[INFO] [stderr]    --> src/node.rs:360:21
[INFO] [stderr]     |
[INFO] [stderr] 360 |             NodeType::Leader(leader_data) => self
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr] warning: field is never read: `election_timeout`
[INFO] [stderr]    --> tests/simulation/mod.rs:188:2
[INFO] [stderr]     |
[INFO] [stderr] 188 |     election_timeout: (Duration, Duration),
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `heartbeat_timeout`
[INFO] [stderr]    --> tests/simulation/mod.rs:189:2
[INFO] [stderr]     |
[INFO] [stderr] 189 |     heartbeat_timeout: Duration,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `storage`
[INFO] [stderr]    --> tests/simulation/mod.rs:193:2
[INFO] [stderr]     |
[INFO] [stderr] 193 |     storage: SimulationStorage,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `set_drop_rate`
[INFO] [stderr]    --> tests/simulation/mod.rs:298:2
[INFO] [stderr]     |
[INFO] [stderr] 298 |     pub fn set_drop_rate(&mut self, drop_rate: u32) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `drop_conn`
[INFO] [stderr]    --> tests/simulation/mod.rs:304:2
[INFO] [stderr]     |
[INFO] [stderr] 304 |     pub fn drop_conn(&mut self, src: NodeId, dst: NodeId) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `enable_conn`
[INFO] [stderr]    --> tests/simulation/mod.rs:309:2
[INFO] [stderr]     |
[INFO] [stderr] 309 |     pub fn enable_conn(&mut self, src: NodeId, dst: NodeId) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `stop_node`
[INFO] [stderr]    --> tests/simulation/mod.rs:313:2
[INFO] [stderr]     |
[INFO] [stderr] 313 |     pub fn stop_node(&mut self, node_id: NodeId) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `next_event_time`
[INFO] [stderr]    --> tests/simulation/mod.rs:318:2
[INFO] [stderr]     |
[INFO] [stderr] 318 |     pub fn next_event_time(&self) -> Instant {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `start_node`
[INFO] [stderr]    --> tests/simulation/mod.rs:327:2
[INFO] [stderr]     |
[INFO] [stderr] 327 |     pub fn start_node(&mut self, node_id: NodeId, at: Instant) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `leader_data`
[INFO] [stderr]    --> src/node.rs:360:21
[INFO] [stderr]     |
[INFO] [stderr] 360 |             NodeType::Leader(leader_data) => self
[INFO] [stderr]     |                              ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_leader_data`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `CLIENT_OFFS`
[INFO] [stderr]   --> tests/simulation/mod.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const CLIENT_OFFS: Duration = Duration::from_nanos(1000);
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `client_msg`
[INFO] [stderr]    --> tests/simulation/mod.rs:420:2
[INFO] [stderr]     |
[INFO] [stderr] 420 |     pub fn client_msg(&mut self, to: NodeId, req: ClientRequest<ClientAddr, (), Entry>) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.61s
[INFO] running `"docker" "inspect" "92f4b4351464c740614d75c0091001af8e6fc2f10fbf52008828283801b5fb2e"`
[INFO] running `"docker" "rm" "-f" "92f4b4351464c740614d75c0091001af8e6fc2f10fbf52008828283801b5fb2e"`
[INFO] [stdout] 92f4b4351464c740614d75c0091001af8e6fc2f10fbf52008828283801b5fb2e