[INFO] cloning repository https://github.com/neelshahx/raft-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/neelshahx/raft-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneelshahx%2Fraft-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneelshahx%2Fraft-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7a6f3f8e44efcfbe388c3417ba1e13f8f578aefe
[INFO] checking neelshahx/raft-rust against 5b237c915528dadada3f674b90c7c80368b632be for pr-133502-29
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fneelshahx%2Fraft-rust" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/neelshahx/raft-rust
[INFO] finished tweaking git repo https://github.com/neelshahx/raft-rust
[INFO] tweaked toml for git repo https://github.com/neelshahx/raft-rust written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/neelshahx/raft-rust on toolchain 5b237c915528dadada3f674b90c7c80368b632be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/neelshahx/raft-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.10.0-rc-3
[INFO] [stderr]   Downloaded getrandom v0.4.0-rc.0
[INFO] [stderr]   Downloaded chacha20 v0.10.0-rc.6
[INFO] [stderr]   Downloaded rand v0.10.0-rc.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3111399a4047eeb3a02b7a90e478d715f38a8c6669b5c4b49d30a17385265909" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611
[INFO] running `Command { std: "docker" "start" "19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611" "/opt/rustwide/cargo-home/bin/cargo" "+5b237c915528dadada3f674b90c7c80368b632be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling getrandom v0.4.0-rc.0
[INFO] [stderr]    Compiling zmij v1.0.12
[INFO] [stderr]     Checking rand_core v0.10.0-rc-3
[INFO] [stderr]     Checking chacha20 v0.10.0-rc.6
[INFO] [stderr]     Checking serde_json v1.0.149
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]     Checking rand v0.10.0-rc.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking raft v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/kvapp.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let result = self.update_store(command);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/raftserver.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     _ => {}
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/raftserver.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     RaftNetMessage::RequestVote(request_vote) => {
[INFO] [stdout]     |                     ----------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 116 |                     RaftNetMessage::RequestVoteResponse(request_vote_response) => {}
[INFO] [stdout]     |                     ---------------------------------------------------------- matches some of the same values
[INFO] [stdout] 117 |                     RaftNetMessage::AppendEntries(append_entries) => {
[INFO] [stdout]     |                     --------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 123 |                     RaftNetMessage::AppendEntriesResponse(append_entries_response) => {
[INFO] [stdout]     |                     -------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 126 |                     _ => {}
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/raftserver.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     let mut votes = 1;
[INFO] [stdout]    |                         ----^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/raftserver.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 InternalMessage::ClientCommand { addr, command } => {
[INFO] [stdout]    |                                                  ^^^^ help: try ignoring the field: `addr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `votes`
[INFO] [stdout]   --> src/raftserver.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     let mut votes = 1;
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_votes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `majority`
[INFO] [stdout]   --> src/raftserver.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     let majority = self.num_servers / 2 + 1;
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_majority`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]    --> src/raftserver.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   let payload = serde_json::to_string(&message).unwrap();
[INFO] [stdout]     |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote`
[INFO] [stdout]    --> src/raftserver.rs:112:49
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     RaftNetMessage::RequestVote(request_vote) => {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote_response`
[INFO] [stdout]    --> src/raftserver.rs:116:57
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     RaftNetMessage::RequestVoteResponse(request_vote_response) => {}
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `result`
[INFO] [stdout]   --> src/kvapp.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let result = self.update_store(command);
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_result`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/raftserver.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 126 |                     _ => {}
[INFO] [stdout]     |                     ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/raftserver.rs:126:21
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     RaftNetMessage::RequestVote(request_vote) => {
[INFO] [stdout]     |                     ----------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 116 |                     RaftNetMessage::RequestVoteResponse(request_vote_response) => {}
[INFO] [stdout]     |                     ---------------------------------------------------------- matches some of the same values
[INFO] [stdout] 117 |                     RaftNetMessage::AppendEntries(append_entries) => {
[INFO] [stdout]     |                     --------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 123 |                     RaftNetMessage::AppendEntriesResponse(append_entries_response) => {
[INFO] [stdout]     |                     -------------------------------------------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 126 |                     _ => {}
[INFO] [stdout]     |                     ^ collectively making this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/raftserver.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     let mut votes = 1;
[INFO] [stdout]    |                         ----^^^^^
[INFO] [stdout]    |                         |
[INFO] [stdout]    |                         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/raftserver.rs:61:50
[INFO] [stdout]    |
[INFO] [stdout] 61 |                 InternalMessage::ClientCommand { addr, command } => {
[INFO] [stdout]    |                                                  ^^^^ help: try ignoring the field: `addr: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `votes`
[INFO] [stdout]   --> src/raftserver.rs:93:25
[INFO] [stdout]    |
[INFO] [stdout] 93 |                     let mut votes = 1;
[INFO] [stdout]    |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_votes`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `majority`
[INFO] [stdout]   --> src/raftserver.rs:94:25
[INFO] [stdout]    |
[INFO] [stdout] 94 |                     let majority = self.num_servers / 2 + 1;
[INFO] [stdout]    |                         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_majority`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `payload`
[INFO] [stdout]    --> src/raftserver.rs:105:33
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   let payload = serde_json::to_string(&message).unwrap();
[INFO] [stdout]     |                           ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_payload`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote`
[INFO] [stdout]    --> src/raftserver.rs:112:49
[INFO] [stdout]     |
[INFO] [stdout] 112 |                     RaftNetMessage::RequestVote(request_vote) => {
[INFO] [stdout]     |                                                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `request_vote_response`
[INFO] [stdout]    --> src/raftserver.rs:116:57
[INFO] [stdout]     |
[INFO] [stdout] 116 |                     RaftNetMessage::RequestVoteResponse(request_vote_response) => {}
[INFO] [stdout]     |                                                         ^^^^^^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_request_vote_response`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `Command { std: "docker" "inspect" "19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611", kill_on_drop: false }`
[INFO] [stdout] 19a80cafcad91872e4044fab4f4f236cae56ac877d8f95d93a4341b66dcde611
