[INFO] cloning repository https://github.com/CableSynth/aoc_2020_fourth_day
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CableSynth/aoc_2020_fourth_day" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCableSynth%2Faoc_2020_fourth_day", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCableSynth%2Faoc_2020_fourth_day'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ff63a27268fe8292de8b66c0abf23d44a833771f
[INFO] checking CableSynth/aoc_2020_fourth_day against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCableSynth%2Faoc_2020_fourth_day" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CableSynth/aoc_2020_fourth_day 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/CableSynth/aoc_2020_fourth_day
[INFO] finished tweaking git repo https://github.com/CableSynth/aoc_2020_fourth_day
[INFO] tweaked toml for git repo https://github.com/CableSynth/aoc_2020_fourth_day written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/CableSynth/aoc_2020_fourth_day 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-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 446a5dcb1b4bdd7e0f23c387775946bf4a221eea8cb97da9be76c1488c69aa3c
[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" "446a5dcb1b4bdd7e0f23c387775946bf4a221eea8cb97da9be76c1488c69aa3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "446a5dcb1b4bdd7e0f23c387775946bf4a221eea8cb97da9be76c1488c69aa3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446a5dcb1b4bdd7e0f23c387775946bf4a221eea8cb97da9be76c1488c69aa3c", kill_on_drop: false }`
[INFO] [stdout] 446a5dcb1b4bdd7e0f23c387775946bf4a221eea8cb97da9be76c1488c69aa3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] [stdout] 8cc998500868ef8cde8c5e7d96e4bf8768e77dd0311c76e9ab997a6aebcd62a7
[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" "8cc998500868ef8cde8c5e7d96e4bf8768e77dd0311c76e9ab997a6aebcd62a7", kill_on_drop: false }`
[INFO] [stderr]     Checking fourth_day v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "8cc998500868ef8cde8c5e7d96e4bf8768e77dd0311c76e9ab997a6aebcd62a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc998500868ef8cde8c5e7d96e4bf8768e77dd0311c76e9ab997a6aebcd62a7", kill_on_drop: false }`
[INFO] [stdout] 8cc998500868ef8cde8c5e7d96e4bf8768e77dd0311c76e9ab997a6aebcd62a7