[INFO] cloning repository https://github.com/njt1968/Advent
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njt1968/Advent" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjt1968%2FAdvent", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjt1968%2FAdvent'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a6cb2275b16585e9e27f5d9ba0faa63f524fdd8
[INFO] checking njt1968/Advent against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjt1968%2FAdvent" "/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/njt1968/Advent on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/njt1968/Advent
[INFO] finished tweaking git repo https://github.com/njt1968/Advent
[INFO] tweaked toml for git repo https://github.com/njt1968/Advent written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/njt1968/Advent 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 95def3b35cd7b6e0ba77539c1689e59799b96989c35aa45be35c5718f43c42bf
[INFO] running `Command { std: "docker" "start" "-a" "95def3b35cd7b6e0ba77539c1689e59799b96989c35aa45be35c5718f43c42bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95def3b35cd7b6e0ba77539c1689e59799b96989c35aa45be35c5718f43c42bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95def3b35cd7b6e0ba77539c1689e59799b96989c35aa45be35c5718f43c42bf", kill_on_drop: false }`
[INFO] [stdout] 95def3b35cd7b6e0ba77539c1689e59799b96989c35aa45be35c5718f43c42bf
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8c4e806d5159cc41c8ac8464e3121976f49300c0931f0de9497b6edfa4782ac2
[INFO] running `Command { std: "docker" "start" "-a" "8c4e806d5159cc41c8ac8464e3121976f49300c0931f0de9497b6edfa4782ac2", kill_on_drop: false }`
[INFO] [stderr]     Checking advent v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `puzzle_solution`
[INFO] [stdout]   --> src/day_7.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut puzzle_solution = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_puzzle_solution`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_7.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut puzzle_solution = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUMS` is never used
[INFO] [stdout]  --> src/day_7.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const NUMS: [i32; 10] = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `puzzle_solution`
[INFO] [stdout]   --> src/day_7.rs:28:13
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut puzzle_solution = 0;
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_puzzle_solution`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/day_7.rs:28:9
[INFO] [stdout]    |
[INFO] [stdout] 28 |     let mut puzzle_solution = 0;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `NUMS` is never used
[INFO] [stdout]  --> src/day_7.rs:2:7
[INFO] [stdout]   |
[INFO] [stdout] 2 | const NUMS: [i32; 10] = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9];
[INFO] [stdout]   |       ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "8c4e806d5159cc41c8ac8464e3121976f49300c0931f0de9497b6edfa4782ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c4e806d5159cc41c8ac8464e3121976f49300c0931f0de9497b6edfa4782ac2", kill_on_drop: false }`
[INFO] [stdout] 8c4e806d5159cc41c8ac8464e3121976f49300c0931f0de9497b6edfa4782ac2