[INFO] cloning repository https://github.com/JShorthouse/AdventOfCode2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JShorthouse/AdventOfCode2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJShorthouse%2FAdventOfCode2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJShorthouse%2FAdventOfCode2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3256595a901a7d5cb4d4e8da10384c89a3dcdf0c
[INFO] checking JShorthouse/AdventOfCode2021 against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJShorthouse%2FAdventOfCode2021" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/JShorthouse/AdventOfCode2021
[INFO] finished tweaking git repo https://github.com/JShorthouse/AdventOfCode2021
[INFO] tweaked toml for git repo https://github.com/JShorthouse/AdventOfCode2021 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/JShorthouse/AdventOfCode2021 on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/JShorthouse/AdventOfCode2021 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded keyed_priority_queue v0.4.1
[INFO] [stderr]   Downloaded retain_mut v0.1.5
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a446984e89b2e9087b05034d0a2aba3c2c41a05b960d3b84289148d656b996e
[INFO] running `Command { std: "docker" "start" "-a" "9a446984e89b2e9087b05034d0a2aba3c2c41a05b960d3b84289148d656b996e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a446984e89b2e9087b05034d0a2aba3c2c41a05b960d3b84289148d656b996e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a446984e89b2e9087b05034d0a2aba3c2c41a05b960d3b84289148d656b996e", kill_on_drop: false }`
[INFO] [stdout] 9a446984e89b2e9087b05034d0a2aba3c2c41a05b960d3b84289148d656b996e
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4ce951b5b1bfc079f147d5013108c5ca7324acbea999c3623dd31acc089ca9f
[INFO] running `Command { std: "docker" "start" "-a" "d4ce951b5b1bfc079f147d5013108c5ca7324acbea999c3623dd31acc089ca9f", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.109
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking retain_mut v0.1.5
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]     Checking keyed_priority_queue v0.4.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking AdventOfCode2021 v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `retain_mut::RetainMut`
[INFO] [stdout]  --> src/bin/day04.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use retain_mut::RetainMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/bin/day07.rs:69:9
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let mut input = vec![16,1,2,0,4,2,7,1,2,14];
[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 import: `retain_mut::RetainMut`
[INFO] [stdout]  --> src/bin/day04.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use retain_mut::RetainMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.02s
[INFO] running `Command { std: "docker" "inspect" "d4ce951b5b1bfc079f147d5013108c5ca7324acbea999c3623dd31acc089ca9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4ce951b5b1bfc079f147d5013108c5ca7324acbea999c3623dd31acc089ca9f", kill_on_drop: false }`
[INFO] [stdout] d4ce951b5b1bfc079f147d5013108c5ca7324acbea999c3623dd31acc089ca9f
