[INFO] cloning repository https://github.com/sarvex/chef-maelstrom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sarvex/chef-maelstrom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Fchef-maelstrom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Fchef-maelstrom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5792fd96db17dfe150dcd3d926b286cd9ca0e8d3
[INFO] checking sarvex/chef-maelstrom against master#5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea for pr-124336
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsarvex%2Fchef-maelstrom" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sarvex/chef-maelstrom on toolchain 5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sarvex/chef-maelstrom
[INFO] finished tweaking git repo https://github.com/sarvex/chef-maelstrom
[INFO] tweaked toml for git repo https://github.com/sarvex/chef-maelstrom written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sarvex/chef-maelstrom 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" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fca5bd8c6a04bf1c24a18ec61275e38257d4142d70093a8c40e91a93a4f48a52
[INFO] running `Command { std: "docker" "start" "-a" "fca5bd8c6a04bf1c24a18ec61275e38257d4142d70093a8c40e91a93a4f48a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fca5bd8c6a04bf1c24a18ec61275e38257d4142d70093a8c40e91a93a4f48a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fca5bd8c6a04bf1c24a18ec61275e38257d4142d70093a8c40e91a93a4f48a52", kill_on_drop: false }`
[INFO] [stdout] fca5bd8c6a04bf1c24a18ec61275e38257d4142d70093a8c40e91a93a4f48a52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:99613afd962a8cfa530ec1899472a458bd015a1ab0af876cf7eb06f6006d81ea" "/opt/rustwide/cargo-home/bin/cargo" "+5557f8c9d08d7f3f680943dcf97b6d4a7eb13aea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ccdaf4aa3311aace9059a49693fca61132bda75d2ca503cbe4f1597b63dc647b
[INFO] running `Command { std: "docker" "start" "-a" "ccdaf4aa3311aace9059a49693fca61132bda75d2ca503cbe4f1597b63dc647b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.75
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde v1.0.195
[INFO] [stderr]    Compiling serde_json v1.0.113
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.47
[INFO] [stderr]    Compiling serde_derive v1.0.195
[INFO] [stderr]     Checking maelstrom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `send_all` is never used
[INFO] [stdout]   --> src/sender.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Sender {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn send_all(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `send_all` is never used
[INFO] [stdout]   --> src/sender.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 8  | impl Sender {
[INFO] [stdout]    | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn send_all(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] running `Command { std: "docker" "inspect" "ccdaf4aa3311aace9059a49693fca61132bda75d2ca503cbe4f1597b63dc647b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccdaf4aa3311aace9059a49693fca61132bda75d2ca503cbe4f1597b63dc647b", kill_on_drop: false }`
[INFO] [stdout] ccdaf4aa3311aace9059a49693fca61132bda75d2ca503cbe4f1597b63dc647b