[INFO] cloning repository https://github.com/tristan-zander/advent_of_code_2020
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tristan-zander/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-zander%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-zander%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86d23fd0cfe24861fedaa076036c4535ca23acd9
[INFO] checking tristan-zander/advent_of_code_2020 against master#836c31742687ba4e2f857b5b698e1e9e6b67619c for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftristan-zander%2Fadvent_of_code_2020" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tristan-zander/advent_of_code_2020 on toolchain 836c31742687ba4e2f857b5b698e1e9e6b67619c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tristan-zander/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/tristan-zander/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/tristan-zander/advent_of_code_2020 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/tristan-zander/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f20508dbc320ddaf7fea752398eb20697e6f673c402f4bc05a1c4604bbe01a44
[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" "f20508dbc320ddaf7fea752398eb20697e6f673c402f4bc05a1c4604bbe01a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f20508dbc320ddaf7fea752398eb20697e6f673c402f4bc05a1c4604bbe01a44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f20508dbc320ddaf7fea752398eb20697e6f673c402f4bc05a1c4604bbe01a44", kill_on_drop: false }`
[INFO] [stdout] f20508dbc320ddaf7fea752398eb20697e6f673c402f4bc05a1c4604bbe01a44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+836c31742687ba4e2f857b5b698e1e9e6b67619c" "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] 92ab1c3c021cf26d2d056669d1bb2d02add191272ce17182ebfc92b772fd253e
[INFO] running `Command { std: "docker" "start" "-a" "92ab1c3c021cf26d2d056669d1bb2d02add191272ce17182ebfc92b772fd253e", kill_on_drop: false }`
[INFO] [stderr]     Checking day3 v0.1.0 (/opt/rustwide/workdir/day3)
[INFO] [stderr]     Checking day2 v0.1.0 (/opt/rustwide/workdir/day2)
[INFO] [stderr]     Checking day5 v0.1.0 (/opt/rustwide/workdir/day5)
[INFO] [stderr]     Checking day6 v0.1.0 (/opt/rustwide/workdir/day6)
[INFO] [stderr]     Checking part2 v0.1.0 (/opt/rustwide/workdir/day1/part2)
[INFO] [stderr]     Checking day1 v0.1.0 (/opt/rustwide/workdir/day1)
[INFO] [stderr]     Checking day6p2 v0.1.0 (/opt/rustwide/workdir/day6/day6p2)
[INFO] [stderr]     Checking day4 v0.1.0 (/opt/rustwide/workdir/day4)
[INFO] [stderr]     Checking day6p1 v0.1.0 (/opt/rustwide/workdir/day6/day6p1)
[INFO] [stderr]     Checking p2 v0.1.0 (/opt/rustwide/workdir/day2/p2)
[INFO] [stderr]     Checking p1 v0.1.0 (/opt/rustwide/workdir/day2/p1)
[INFO] [stderr]     Checking day5p1 v0.1.0 (/opt/rustwide/workdir/day5/day5p1)
[INFO] [stderr]     Checking day5p2 v0.1.0 (/opt/rustwide/workdir/day5/day5p2)
[INFO] [stderr]     Checking day3p1 v0.1.0 (/opt/rustwide/workdir/day3/day3p1)
[INFO] [stderr]     Checking day3p2 v0.1.0 (/opt/rustwide/workdir/day3/day3p2)
[INFO] [stderr]     Checking day4p1 v0.1.0 (/opt/rustwide/workdir/day4/day4p1)
[INFO] [stderr]     Checking day4p2 v0.1.0 (/opt/rustwide/workdir/day4/day4p2)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.34s
[INFO] running `Command { std: "docker" "inspect" "92ab1c3c021cf26d2d056669d1bb2d02add191272ce17182ebfc92b772fd253e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92ab1c3c021cf26d2d056669d1bb2d02add191272ce17182ebfc92b772fd253e", kill_on_drop: false }`
[INFO] [stdout] 92ab1c3c021cf26d2d056669d1bb2d02add191272ce17182ebfc92b772fd253e