[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#fc81ad22c453776de16acf9938976930cf8c9401 for pr-77325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faustinhyde%2Fadventofcode20" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/austinhyde/adventofcode20 on toolchain fc81ad22c453776de16acf9938976930cf8c9401
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "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-9/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" "+fc81ad22c453776de16acf9938976930cf8c9401" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1172db812e5f274d52f970504bb208edf2366d8dcd8601f695f78190441cdc9f
[INFO] running `Command { std: "docker" "start" "-a" "1172db812e5f274d52f970504bb208edf2366d8dcd8601f695f78190441cdc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1172db812e5f274d52f970504bb208edf2366d8dcd8601f695f78190441cdc9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1172db812e5f274d52f970504bb208edf2366d8dcd8601f695f78190441cdc9f", kill_on_drop: false }`
[INFO] [stdout] 1172db812e5f274d52f970504bb208edf2366d8dcd8601f695f78190441cdc9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+fc81ad22c453776de16acf9938976930cf8c9401" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 872026e157ebac7cf3f47d5d9937584c60498f2711464cd21f541d0473cf7b7d
[INFO] running `Command { std: "docker" "start" "-a" "872026e157ebac7cf3f47d5d9937584c60498f2711464cd21f541d0473cf7b7d", 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 day2-password-policy v0.1.0 (/opt/rustwide/workdir/day2-password-policy)
[INFO] [stderr]     Checking day3-toboggan-trajectory v0.1.0 (/opt/rustwide/workdir/day3-toboggan-trajectory)
[INFO] [stderr]     Checking day6-custom-customs v0.1.0 (/opt/rustwide/workdir/day6-custom-customs)
[INFO] [stderr]     Checking day5-binary-boarding v0.1.0 (/opt/rustwide/workdir/day5-binary-boarding)
[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: 1 warning emitted
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "872026e157ebac7cf3f47d5d9937584c60498f2711464cd21f541d0473cf7b7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "872026e157ebac7cf3f47d5d9937584c60498f2711464cd21f541d0473cf7b7d", kill_on_drop: false }`
[INFO] [stdout] 872026e157ebac7cf3f47d5d9937584c60498f2711464cd21f541d0473cf7b7d