[INFO] cloning repository https://github.com/cdebotton/advent-of-code
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cdebotton/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdebotton%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdebotton%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f1ac606d46573e1185471810693f5dab825d5031
[INFO] checking cdebotton/advent-of-code against try#b047d5f4496a7526d91d0dddea494c05853f2a7b for pr-122661-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdebotton%2Fadvent-of-code" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cdebotton/advent-of-code
[INFO] finished tweaking git repo https://github.com/cdebotton/advent-of-code
[INFO] tweaked toml for git repo https://github.com/cdebotton/advent-of-code written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cdebotton/advent-of-code on toolchain b047d5f4496a7526d91d0dddea494c05853f2a7b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cdebotton/advent-of-code 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" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c49e22f4e19664958fb7b3dfe5a82b78c76d80d3d8116890463d86764ebf2a00
[INFO] running `Command { std: "docker" "start" "-a" "c49e22f4e19664958fb7b3dfe5a82b78c76d80d3d8116890463d86764ebf2a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c49e22f4e19664958fb7b3dfe5a82b78c76d80d3d8116890463d86764ebf2a00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c49e22f4e19664958fb7b3dfe5a82b78c76d80d3d8116890463d86764ebf2a00", kill_on_drop: false }`
[INFO] [stdout] c49e22f4e19664958fb7b3dfe5a82b78c76d80d3d8116890463d86764ebf2a00
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+b047d5f4496a7526d91d0dddea494c05853f2a7b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 91a50220c8673cb4ed78d9d72e12d7391e58208a4ab190bc8d4d17d4ce324077
[INFO] running `Command { std: "docker" "start" "-a" "91a50220c8673cb4ed78d9d72e12d7391e58208a4ab190bc8d4d17d4ce324077", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.51
[INFO] [stderr]     Checking day_5 v0.1.0 (/opt/rustwide/workdir/day_5)
[INFO] [stderr]     Checking day_4 v0.1.0 (/opt/rustwide/workdir/day_4)
[INFO] [stderr]     Checking day_6 v0.1.0 (/opt/rustwide/workdir/day_6)
[INFO] [stderr]     Checking ac-2021 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking day_7 v0.1.0 (/opt/rustwide/workdir/day_7)
[INFO] [stderr]     Checking day_8 v0.1.0 (/opt/rustwide/workdir/day_8)
[INFO] [stdout] warning: function `star_two` is never used
[INFO] [stdout]   --> day_8/src/main.rs:24:4
[INFO] [stdout]    |
[INFO] [stdout] 24 | fn star_two(input: &str) -> usize {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TEST_INPUT` is never used
[INFO] [stdout]  --> day_4/src/main.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const TEST_INPUT: &str = r#"7,4,9,5,11,17,23,2,0,14,21,24,10,16,13,6,15,25,12,22,18,20,8,19,3,26,1
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking utils v0.1.0 (/opt/rustwide/workdir/utils)
[INFO] [stderr]     Checking day_2 v0.1.0 (/opt/rustwide/workdir/day_2)
[INFO] [stderr]     Checking day_3 v0.1.0 (/opt/rustwide/workdir/day_3)
[INFO] [stderr]     Checking day_1 v0.1.0 (/opt/rustwide/workdir/day_1)
[INFO] [stdout] warning: unused variable: `oxygen`
[INFO] [stdout]   --> day_3/src/main.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (oxygen, co2) = calculate_oxygen_co2(&gamma, &epsilon, items.clone());
[INFO] [stdout]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_oxygen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `co2`
[INFO] [stdout]   --> day_3/src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (oxygen, co2) = calculate_oxygen_co2(&gamma, &epsilon, items.clone());
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_co2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `oxygen`
[INFO] [stdout]   --> day_3/src/main.rs:43:10
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (oxygen, co2) = calculate_oxygen_co2(&gamma, &epsilon, items.clone());
[INFO] [stdout]    |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_oxygen`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `co2`
[INFO] [stdout]   --> day_3/src/main.rs:43:18
[INFO] [stdout]    |
[INFO] [stdout] 43 |     let (oxygen, co2) = calculate_oxygen_co2(&gamma, &epsilon, items.clone());
[INFO] [stdout]    |                  ^^^ help: if this is intentional, prefix it with an underscore: `_co2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `oxygen`
[INFO] [stdout]    --> day_3/src/main.rs:152:14
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let (oxygen, co2) = calculate_oxygen_co2(&gamma, &epsilon, input);
[INFO] [stdout]     |              ^^^^^^ help: if this is intentional, prefix it with an underscore: `_oxygen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `co2`
[INFO] [stdout]    --> day_3/src/main.rs:152:22
[INFO] [stdout]     |
[INFO] [stdout] 152 |         let (oxygen, co2) = calculate_oxygen_co2(&gamma, &epsilon, input);
[INFO] [stdout]     |                      ^^^ help: if this is intentional, prefix it with an underscore: `_co2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> day_3/src/main.rs:146:13
[INFO] [stdout]     |
[INFO] [stdout] 146 |         let mut input = vec![
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.70s
[INFO] running `Command { std: "docker" "inspect" "91a50220c8673cb4ed78d9d72e12d7391e58208a4ab190bc8d4d17d4ce324077", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91a50220c8673cb4ed78d9d72e12d7391e58208a4ab190bc8d4d17d4ce324077", kill_on_drop: false }`
[INFO] [stdout] 91a50220c8673cb4ed78d9d72e12d7391e58208a4ab190bc8d4d17d4ce324077