[INFO] cloning repository https://github.com/cdbfoster/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/cdbfoster/advent_of_code_2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdbfoster%2Fadvent_of_code_2020", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdbfoster%2Fadvent_of_code_2020'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dd4a78966664440c1ba2e4f27b052f0b20edbe2
[INFO] checking cdbfoster/advent_of_code_2020 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcdbfoster%2Fadvent_of_code_2020" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cdbfoster/advent_of_code_2020 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cdbfoster/advent_of_code_2020
[INFO] finished tweaking git repo https://github.com/cdbfoster/advent_of_code_2020
[INFO] tweaked toml for git repo https://github.com/cdbfoster/advent_of_code_2020 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/cdbfoster/advent_of_code_2020 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", 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] d0ba2935e27679c64f4adbaba3a8e97b89c4804502e9edcf5d09fab38539110f
[INFO] running `Command { std: "docker" "start" "-a" "d0ba2935e27679c64f4adbaba3a8e97b89c4804502e9edcf5d09fab38539110f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0ba2935e27679c64f4adbaba3a8e97b89c4804502e9edcf5d09fab38539110f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0ba2935e27679c64f4adbaba3a8e97b89c4804502e9edcf5d09fab38539110f", kill_on_drop: false }`
[INFO] [stdout] d0ba2935e27679c64f4adbaba3a8e97b89c4804502e9edcf5d09fab38539110f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "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] 3701efbbfe9791858dff6ab63e2f47319e1e9bf0c4e1588a0c22c310550034d2
[INFO] running `Command { std: "docker" "start" "-a" "3701efbbfe9791858dff6ab63e2f47319e1e9bf0c4e1588a0c22c310550034d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking advent_of_code v2020.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.87s
[INFO] running `Command { std: "docker" "inspect" "3701efbbfe9791858dff6ab63e2f47319e1e9bf0c4e1588a0c22c310550034d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3701efbbfe9791858dff6ab63e2f47319e1e9bf0c4e1588a0c22c310550034d2", kill_on_drop: false }`
[INFO] [stdout] 3701efbbfe9791858dff6ab63e2f47319e1e9bf0c4e1588a0c22c310550034d2