[INFO] cloning repository https://github.com/YetSiawYeung/advent_of_code_2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/YetSiawYeung/advent_of_code_2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYetSiawYeung%2Fadvent_of_code_2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYetSiawYeung%2Fadvent_of_code_2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c4c7c82dd2ca9b4cc20da9727f81b786fd97ffd0
[INFO] checking YetSiawYeung/advent_of_code_2019 against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FYetSiawYeung%2Fadvent_of_code_2019" "/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/YetSiawYeung/advent_of_code_2019 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/YetSiawYeung/advent_of_code_2019
[INFO] finished tweaking git repo https://github.com/YetSiawYeung/advent_of_code_2019
[INFO] tweaked toml for git repo https://github.com/YetSiawYeung/advent_of_code_2019 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/YetSiawYeung/advent_of_code_2019 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] 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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] fefe308fba7a2ec361812cc814436f6679b0d801005facc3b46ffe6a3290f3d7
[INFO] running `Command { std: "docker" "start" "-a" "fefe308fba7a2ec361812cc814436f6679b0d801005facc3b46ffe6a3290f3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fefe308fba7a2ec361812cc814436f6679b0d801005facc3b46ffe6a3290f3d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fefe308fba7a2ec361812cc814436f6679b0d801005facc3b46ffe6a3290f3d7", kill_on_drop: false }`
[INFO] [stdout] fefe308fba7a2ec361812cc814436f6679b0d801005facc3b46ffe6a3290f3d7
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "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] cd971832a6170187ce069f0a7089f1e21b9477d6c4cc6cc3f15c6260f9fda9b0
[INFO] running `Command { std: "docker" "start" "-a" "cd971832a6170187ce069f0a7089f1e21b9477d6c4cc6cc3f15c6260f9fda9b0", kill_on_drop: false }`
[INFO] [stderr]     Checking bytecount v0.6.0
[INFO] [stderr]     Checking advent_of_code_2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "cd971832a6170187ce069f0a7089f1e21b9477d6c4cc6cc3f15c6260f9fda9b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd971832a6170187ce069f0a7089f1e21b9477d6c4cc6cc3f15c6260f9fda9b0", kill_on_drop: false }`
[INFO] [stdout] cd971832a6170187ce069f0a7089f1e21b9477d6c4cc6cc3f15c6260f9fda9b0