[INFO] cloning repository https://github.com/toidiu/raft-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/toidiu/raft-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Fraft-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Fraft-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38212d2aff4e2d70511abc0be4929eac851e46c1
[INFO] checking toidiu/raft-rs against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Fraft-rs" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/toidiu/raft-rs on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/toidiu/raft-rs
[INFO] finished tweaking git repo https://github.com/toidiu/raft-rs
[INFO] tweaked toml for git repo https://github.com/toidiu/raft-rs written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/toidiu/raft-rs 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded futures-test v0.3.30
[INFO] [stderr]   Downloaded s2n-codec v0.44.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8a69b2d53bcb08e91c62b94c72452590b21c23d3e97faebaf0424caaed8d358
[INFO] running `Command { std: "docker" "start" "-a" "e8a69b2d53bcb08e91c62b94c72452590b21c23d3e97faebaf0424caaed8d358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8a69b2d53bcb08e91c62b94c72452590b21c23d3e97faebaf0424caaed8d358", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8a69b2d53bcb08e91c62b94c72452590b21c23d3e97faebaf0424caaed8d358", kill_on_drop: false }`
[INFO] [stdout] e8a69b2d53bcb08e91c62b94c72452590b21c23d3e97faebaf0424caaed8d358
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29cc9829a944d1508879308c58d804ed0392f4a9f1d063763233ed8269c75689
[INFO] running `Command { std: "docker" "start" "-a" "29cc9829a944d1508879308c58d804ed0392f4a9f1d063763233ed8269c75689", kill_on_drop: false }`
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking s2n-codec v0.44.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking futures-test v0.3.30
[INFO] [stderr]     Checking raft-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/state.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn on_recv_follower<T: Tx>(inner: &mut Inner, tx: &mut T, rpc: Rpc) {
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]    --> src/state.rs:143:35
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn on_request_vote(&mut self, rpc: RequestVote) {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]    --> src/state.rs:148:35
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn on_append_entry(&mut self, rpc: AppendEntries) {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/state.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn on_recv_follower<T: Tx>(inner: &mut Inner, tx: &mut T, rpc: Rpc) {
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]    --> src/state.rs:143:35
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn on_request_vote(&mut self, rpc: RequestVote) {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]    --> src/state.rs:148:35
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn on_append_entry(&mut self, rpc: AppendEntries) {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.83s
[INFO] running `Command { std: "docker" "inspect" "29cc9829a944d1508879308c58d804ed0392f4a9f1d063763233ed8269c75689", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29cc9829a944d1508879308c58d804ed0392f4a9f1d063763233ed8269c75689", kill_on_drop: false }`
[INFO] [stdout] 29cc9829a944d1508879308c58d804ed0392f4a9f1d063763233ed8269c75689
[INFO] checking toidiu/raft-rs against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftoidiu%2Fraft-rs" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/toidiu/raft-rs on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/toidiu/raft-rs
[INFO] finished tweaking git repo https://github.com/toidiu/raft-rs
[INFO] tweaked toml for git repo https://github.com/toidiu/raft-rs written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/toidiu/raft-rs 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07190a963e0b75182e68cc9e3387e478168969b920947ea816af6a2c4049c3be
[INFO] running `Command { std: "docker" "start" "-a" "07190a963e0b75182e68cc9e3387e478168969b920947ea816af6a2c4049c3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07190a963e0b75182e68cc9e3387e478168969b920947ea816af6a2c4049c3be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07190a963e0b75182e68cc9e3387e478168969b920947ea816af6a2c4049c3be", kill_on_drop: false }`
[INFO] [stdout] 07190a963e0b75182e68cc9e3387e478168969b920947ea816af6a2c4049c3be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d450e13b70d2f1f95e5a29a8fe898c159fa6f47a470f2edc7d680d91f19b865
[INFO] running `Command { std: "docker" "start" "-a" "5d450e13b70d2f1f95e5a29a8fe898c159fa6f47a470f2edc7d680d91f19b865", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.72
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking futures-sink v0.3.30
[INFO] [stderr]     Checking bytes v1.7.1
[INFO] [stderr]     Checking uuid v1.10.0
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking parking_lot v0.12.3
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling futures-macro v0.3.30
[INFO] [stderr]    Compiling pin-project-internal v1.1.5
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.39.2
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking pin-project v1.1.5
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking s2n-codec v0.44.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]     Checking futures-test v0.3.30
[INFO] [stderr]     Checking raft-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/state.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn on_recv_follower<T: Tx>(inner: &mut Inner, tx: &mut T, rpc: Rpc) {
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]    --> src/state.rs:143:35
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn on_request_vote(&mut self, rpc: RequestVote) {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]    --> src/state.rs:148:35
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn on_append_entry(&mut self, rpc: AppendEntries) {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tx`
[INFO] [stdout]    --> src/state.rs:104:51
[INFO] [stdout]     |
[INFO] [stdout] 104 |     fn on_recv_follower<T: Tx>(inner: &mut Inner, tx: &mut T, rpc: Rpc) {
[INFO] [stdout]     |                                                   ^^ help: if this is intentional, prefix it with an underscore: `_tx`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]    --> src/state.rs:143:35
[INFO] [stdout]     |
[INFO] [stdout] 143 |     fn on_request_vote(&mut self, rpc: RequestVote) {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rpc`
[INFO] [stdout]    --> src/state.rs:148:35
[INFO] [stdout]     |
[INFO] [stdout] 148 |     fn on_append_entry(&mut self, rpc: AppendEntries) {
[INFO] [stdout]     |                                   ^^^ help: if this is intentional, prefix it with an underscore: `_rpc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.07s
[INFO] running `Command { std: "docker" "inspect" "5d450e13b70d2f1f95e5a29a8fe898c159fa6f47a470f2edc7d680d91f19b865", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d450e13b70d2f1f95e5a29a8fe898c159fa6f47a470f2edc7d680d91f19b865", kill_on_drop: false }`
[INFO] [stdout] 5d450e13b70d2f1f95e5a29a8fe898c159fa6f47a470f2edc7d680d91f19b865