[INFO] cloning repository https://github.com/wackywendell/adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wackywendell/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Fadventofcode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Fadventofcode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c84cd52f2d5b4cb6369c9bb73415843009752d0c
[INFO] checking wackywendell/adventofcode2018 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwackywendell%2Fadventofcode2018" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wackywendell/adventofcode2018 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wackywendell/adventofcode2018
[INFO] finished tweaking git repo https://github.com/wackywendell/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/wackywendell/adventofcode2018 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wackywendell/adventofcode2018 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 707c1611d713f7b3e1862e516a9f0187768bb18c44f2a8f199caa492dcb8c18e
[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" "707c1611d713f7b3e1862e516a9f0187768bb18c44f2a8f199caa492dcb8c18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "707c1611d713f7b3e1862e516a9f0187768bb18c44f2a8f199caa492dcb8c18e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "707c1611d713f7b3e1862e516a9f0187768bb18c44f2a8f199caa492dcb8c18e", kill_on_drop: false }`
[INFO] [stdout] 707c1611d713f7b3e1862e516a9f0187768bb18c44f2a8f199caa492dcb8c18e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c395a683f40db77673304cef975fe81ea73681e0e5eb4d42726f8bd667ee6cf
[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" "5c395a683f40db77673304cef975fe81ea73681e0e5eb4d42726f8bd667ee6cf", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling cc v1.0.48
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking primes v0.2.4
[INFO] [stderr]     Checking text_io v0.1.7
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling nom v5.1.0
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling lexical-core v0.4.6
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking backtrace v0.3.40
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling test-env-log v0.2.2
[INFO] [stderr]     Checking failure v0.1.6
[INFO] [stderr]     Checking aoc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `Command { std: "docker" "inspect" "5c395a683f40db77673304cef975fe81ea73681e0e5eb4d42726f8bd667ee6cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c395a683f40db77673304cef975fe81ea73681e0e5eb4d42726f8bd667ee6cf", kill_on_drop: false }`
[INFO] [stdout] 5c395a683f40db77673304cef975fe81ea73681e0e5eb4d42726f8bd667ee6cf