[INFO] cloning repository https://github.com/ItamarMu/rusty_snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ItamarMu/rusty_snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItamarMu%2Frusty_snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItamarMu%2Frusty_snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d9283b398e3f3d77406e4ff386baece0c2bda603
[INFO] checking ItamarMu/rusty_snake against master#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FItamarMu%2Frusty_snake" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ItamarMu/rusty_snake on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ItamarMu/rusty_snake
[INFO] finished tweaking git repo https://github.com/ItamarMu/rusty_snake
[INFO] tweaked toml for git repo https://github.com/ItamarMu/rusty_snake written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ItamarMu/rusty_snake 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" "+84e729a59f216cc64755788a470f165429a731f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6161b1f7bca367a8f87905153be7154477050a2c1346a0362e7c19f0be998c93
[INFO] running `Command { std: "docker" "start" "-a" "6161b1f7bca367a8f87905153be7154477050a2c1346a0362e7c19f0be998c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6161b1f7bca367a8f87905153be7154477050a2c1346a0362e7c19f0be998c93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6161b1f7bca367a8f87905153be7154477050a2c1346a0362e7c19f0be998c93", kill_on_drop: false }`
[INFO] [stdout] 6161b1f7bca367a8f87905153be7154477050a2c1346a0362e7c19f0be998c93
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "start" "-a" "dee73e7d30c8f770d913870cbb7f92728c3bec1f3bf38536ed46d418830487a2", kill_on_drop: false }`
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[INFO] [stdout] warning: constant `SPEED_1` is never used
[INFO] [stdout]   --> src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const SPEED_1: u64 = 1; // 1ups
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPEED_2` is never used
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const SPEED_2: u64 = 3; // 3ups
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPEED_3` is never used
[INFO] [stdout]   --> src/main.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const SPEED_3: u64 = 5; // 5ups
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPEED_4` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SPEED_4: u64 = 10; // 10ups
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPEED_1` is never used
[INFO] [stdout]   --> src/main.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const SPEED_1: u64 = 1; // 1ups
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPEED_2` is never used
[INFO] [stdout]   --> src/main.rs:19:7
[INFO] [stdout]    |
[INFO] [stdout] 19 | const SPEED_2: u64 = 3; // 3ups
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPEED_3` is never used
[INFO] [stdout]   --> src/main.rs:20:7
[INFO] [stdout]    |
[INFO] [stdout] 20 | const SPEED_3: u64 = 5; // 5ups
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `SPEED_4` is never used
[INFO] [stdout]   --> src/main.rs:21:7
[INFO] [stdout]    |
[INFO] [stdout] 21 | const SPEED_4: u64 = 10; // 10ups
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 56.67s
[INFO] running `Command { std: "docker" "inspect" "dee73e7d30c8f770d913870cbb7f92728c3bec1f3bf38536ed46d418830487a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dee73e7d30c8f770d913870cbb7f92728c3bec1f3bf38536ed46d418830487a2", kill_on_drop: false }`
[INFO] [stdout] dee73e7d30c8f770d913870cbb7f92728c3bec1f3bf38536ed46d418830487a2