[INFO] cloning repository https://github.com/tawashichan/raft-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tawashichan/raft-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fraft-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fraft-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6ab1cac6ce1cd073f331d8e875f298c8cf5930b7
[INFO] testing tawashichan/raft-sample against beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftawashichan%2Fraft-sample" "/workspace/builds/worker-57/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-57/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tawashichan/raft-sample on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tawashichan/raft-sample
[INFO] finished tweaking git repo https://github.com/tawashichan/raft-sample
[INFO] tweaked toml for git repo https://github.com/tawashichan/raft-sample written to /workspace/builds/worker-57/source/Cargo.toml
[INFO] crate git repo https://github.com/tawashichan/raft-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f99619fdbab2ddc7b55b2702537cef573b07271eb4798a76323d82f4229bf8ac
[INFO] running `Command { std: "docker" "start" "-a" "f99619fdbab2ddc7b55b2702537cef573b07271eb4798a76323d82f4229bf8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f99619fdbab2ddc7b55b2702537cef573b07271eb4798a76323d82f4229bf8ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f99619fdbab2ddc7b55b2702537cef573b07271eb4798a76323d82f4229bf8ac", kill_on_drop: false }`
[INFO] [stdout] f99619fdbab2ddc7b55b2702537cef573b07271eb4798a76323d82f4229bf8ac
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a8e90eca4f2a39f9475e3e09f04d091bd61f5d8f1d13286090f2486567c77994
[INFO] running `Command { std: "docker" "start" "-a" "a8e90eca4f2a39f9475e3e09f04d091bd61f5d8f1d13286090f2486567c77994", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling raft-model v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/main.rs:321:34
[INFO] [stdout]     |
[INFO] [stdout] 321 |             Reply::AppendEntries(body) => {
[INFO] [stdout]     |                                  ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/main.rs:379:60
[INFO] [stdout]     |
[INFO] [stdout] 379 |         let node_ids: Vec<NodeId> = nodes.iter().map(|(id, node)| id.clone()).collect();
[INFO] [stdout]     |                                                            ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> src/main.rs:459:28
[INFO] [stdout]     |
[INFO] [stdout] 459 |             Event::Request(val, _) => self,
[INFO] [stdout]     |                            ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Request`
[INFO] [stdout]    --> src/main.rs:122:5
[INFO] [stdout]     |
[INFO] [stdout] 122 |     Request(i64, i64),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.13s
[INFO] running `Command { std: "docker" "inspect" "a8e90eca4f2a39f9475e3e09f04d091bd61f5d8f1d13286090f2486567c77994", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8e90eca4f2a39f9475e3e09f04d091bd61f5d8f1d13286090f2486567c77994", kill_on_drop: false }`
[INFO] [stdout] a8e90eca4f2a39f9475e3e09f04d091bd61f5d8f1d13286090f2486567c77994
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-57/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=warn" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f9591515708aaaaf204f4efefe3348df7f6fb5b7d6573530ebaae80c4b21799
[INFO] running `Command { std: "docker" "start" "-a" "8f9591515708aaaaf204f4efefe3348df7f6fb5b7d6573530ebaae80c4b21799", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling raft-model v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0061]: this function takes 1 argument but 0 arguments were supplied
[INFO] [stdout]    --> src/main.rs:553:23
[INFO] [stdout]     |
[INFO] [stdout] 553 |     let mut history = History::new();
[INFO] [stdout]     |                       ^^^^^^^^^^^^-- supplied 0 arguments
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       expected 1 argument
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/main.rs:329:8
[INFO] [stdout]     |
[INFO] [stdout] 329 |     fn new(events: Vec<Event>) -> History {
[INFO] [stdout]     |        ^^^ ------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `raft-model` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8f9591515708aaaaf204f4efefe3348df7f6fb5b7d6573530ebaae80c4b21799", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f9591515708aaaaf204f4efefe3348df7f6fb5b7d6573530ebaae80c4b21799", kill_on_drop: false }`
[INFO] [stdout] 8f9591515708aaaaf204f4efefe3348df7f6fb5b7d6573530ebaae80c4b21799
