[INFO] cloning repository https://github.com/austinhyde/adventofcode20
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/austinhyde/adventofcode20" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinhyde%2Fadventofcode20", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinhyde%2Fadventofcode20'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3383bab50da4ce80fe57d2a9b422b579301c7220
[INFO] checking austinhyde/adventofcode20 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinhyde%2Fadventofcode20" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/austinhyde/adventofcode20 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/austinhyde/adventofcode20
[INFO] finished tweaking git repo https://github.com/austinhyde/adventofcode20
[INFO] tweaked toml for git repo https://github.com/austinhyde/adventofcode20 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/austinhyde/adventofcode20 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29943bca1bca596c9a07970be681bbfe35e9411527824b33cf46f403f3bebf21
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "29943bca1bca596c9a07970be681bbfe35e9411527824b33cf46f403f3bebf21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29943bca1bca596c9a07970be681bbfe35e9411527824b33cf46f403f3bebf21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29943bca1bca596c9a07970be681bbfe35e9411527824b33cf46f403f3bebf21", kill_on_drop: false }`
[INFO] [stdout] 29943bca1bca596c9a07970be681bbfe35e9411527824b33cf46f403f3bebf21
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d32ccdfed38b8a2a52650e11a0569136a582114a598b22189530dc49cfadaa05
[INFO] running `Command { std: "docker" "start" "-a" "d32ccdfed38b8a2a52650e11a0569136a582114a598b22189530dc49cfadaa05", kill_on_drop: false }`
[INFO] [stderr]     Checking lib v0.1.0 (/opt/rustwide/workdir/lib)
[INFO] [stderr]     Checking day1-expense-report v0.1.0 (/opt/rustwide/workdir/day1-expense-report)
[INFO] [stderr]     Checking day6-custom-customs v0.1.0 (/opt/rustwide/workdir/day6-custom-customs)
[INFO] [stderr]     Checking day3-toboggan-trajectory v0.1.0 (/opt/rustwide/workdir/day3-toboggan-trajectory)
[INFO] [stderr]     Checking day5-binary-boarding v0.1.0 (/opt/rustwide/workdir/day5-binary-boarding)
[INFO] [stderr]     Checking day2-password-policy v0.1.0 (/opt/rustwide/workdir/day2-password-policy)
[INFO] [stderr]     Checking day4-passport-processing v0.1.0 (/opt/rustwide/workdir/day4-passport-processing)
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> day4-passport-processing/src/main.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn part2(input: &str) -> usize {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `input`
[INFO] [stdout]   --> day4-passport-processing/src/main.rs:46:10
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn part2(input: &str) -> usize {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_input`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "d32ccdfed38b8a2a52650e11a0569136a582114a598b22189530dc49cfadaa05", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d32ccdfed38b8a2a52650e11a0569136a582114a598b22189530dc49cfadaa05", kill_on_drop: false }`
[INFO] [stdout] d32ccdfed38b8a2a52650e11a0569136a582114a598b22189530dc49cfadaa05