[INFO] cloning repository https://github.com/lcs1881/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/lcs1881/advent-of-code" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcs1881%2Fadvent-of-code", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcs1881%2Fadvent-of-code'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9c0368626c446921b2ef876b767da5a495f8b747
[INFO] testing lcs1881/advent-of-code against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flcs1881%2Fadvent-of-code" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lcs1881/advent-of-code
[INFO] finished tweaking git repo https://github.com/lcs1881/advent-of-code
[INFO] tweaked toml for git repo https://github.com/lcs1881/advent-of-code written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lcs1881/advent-of-code on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lcs1881/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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] faab6cfd5d6eabe274997d377383e695d40ed9ab503266b827a228376c0d2136
[INFO] running `Command { std: "docker" "start" "-a" "faab6cfd5d6eabe274997d377383e695d40ed9ab503266b827a228376c0d2136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "faab6cfd5d6eabe274997d377383e695d40ed9ab503266b827a228376c0d2136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faab6cfd5d6eabe274997d377383e695d40ed9ab503266b827a228376c0d2136", kill_on_drop: false }`
[INFO] [stdout] faab6cfd5d6eabe274997d377383e695d40ed9ab503266b827a228376c0d2136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a888b147efab287eabbca9cd0c5d2ad2d7b1bc76632b4466ccdb2d1e28b0f1e7
[INFO] running `Command { std: "docker" "start" "-a" "a888b147efab287eabbca9cd0c5d2ad2d7b1bc76632b4466ccdb2d1e28b0f1e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc-2025 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/day01.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut number = line[1..].parse::<i64>().unwrap();
[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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "a888b147efab287eabbca9cd0c5d2ad2d7b1bc76632b4466ccdb2d1e28b0f1e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a888b147efab287eabbca9cd0c5d2ad2d7b1bc76632b4466ccdb2d1e28b0f1e7", kill_on_drop: false }`
[INFO] [stdout] a888b147efab287eabbca9cd0c5d2ad2d7b1bc76632b4466ccdb2d1e28b0f1e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 354b24a9f058c7b982d0df0da2d7aa296afc53cef2be06ac3706d0db5f3a6a68
[INFO] running `Command { std: "docker" "start" "-a" "354b24a9f058c7b982d0df0da2d7aa296afc53cef2be06ac3706d0db5f3a6a68", kill_on_drop: false }`
[INFO] [stderr]    Compiling aoc-2025 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/bin/day01.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let mut number = line[1..].parse::<i64>().unwrap();
[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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "354b24a9f058c7b982d0df0da2d7aa296afc53cef2be06ac3706d0db5f3a6a68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "354b24a9f058c7b982d0df0da2d7aa296afc53cef2be06ac3706d0db5f3a6a68", kill_on_drop: false }`
[INFO] [stdout] 354b24a9f058c7b982d0df0da2d7aa296afc53cef2be06ac3706d0db5f3a6a68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] eec93eb06256304af374b5a3299c731efda982c6d80cbd634fb0e925f94092fe
[INFO] running `Command { std: "docker" "start" "-a" "eec93eb06256304af374b5a3299c731efda982c6d80cbd634fb0e925f94092fe", kill_on_drop: false }`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/bin/day01.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 |         let mut number = line[1..].parse::<i64>().unwrap();
[INFO] [stderr]   |             ----^^^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `aoc-2025` (bin "day01" test) generated 1 warning (run `cargo fix --bin "day01" -p aoc-2025 --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/bin/day01.rs (/opt/rustwide/target/debug/deps/day01-b08f5e04b72a9839)
[INFO] [stderr]      Running unittests src/bin/day02.rs (/opt/rustwide/target/debug/deps/day02-a947b78f7617e114)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/day03.rs (/opt/rustwide/target/debug/deps/day03-16aa1e9a29b3f802)
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eec93eb06256304af374b5a3299c731efda982c6d80cbd634fb0e925f94092fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eec93eb06256304af374b5a3299c731efda982c6d80cbd634fb0e925f94092fe", kill_on_drop: false }`
[INFO] [stdout] eec93eb06256304af374b5a3299c731efda982c6d80cbd634fb0e925f94092fe
