[INFO] cloning repository https://github.com/breander/advent_2019_day_01
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/breander/advent_2019_day_01" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreander%2Fadvent_2019_day_01", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreander%2Fadvent_2019_day_01'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9cef546b2042a25feec7362c78be18069a68a751
[INFO] documenting breander/advent_2019_day_01 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbreander%2Fadvent_2019_day_01" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/breander/advent_2019_day_01 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/breander/advent_2019_day_01
[INFO] finished tweaking git repo https://github.com/breander/advent_2019_day_01
[INFO] tweaked toml for git repo https://github.com/breander/advent_2019_day_01 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/breander/advent_2019_day_01 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand v0.4.6
[INFO] [stderr]   Downloaded libc v0.2.66
[INFO] [stderr]   Downloaded rand v0.3.23
[INFO] [stderr]   Downloaded libmath v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "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] 0dd90ea7c9eb1933bdd8f4f65a4664ad0db123d68128eb4ff5a319f13c23c56f
[INFO] running `Command { std: "docker" "start" "-a" "0dd90ea7c9eb1933bdd8f4f65a4664ad0db123d68128eb4ff5a319f13c23c56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd90ea7c9eb1933bdd8f4f65a4664ad0db123d68128eb4ff5a319f13c23c56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd90ea7c9eb1933bdd8f4f65a4664ad0db123d68128eb4ff5a319f13c23c56f", kill_on_drop: false }`
[INFO] [stdout] 0dd90ea7c9eb1933bdd8f4f65a4664ad0db123d68128eb4ff5a319f13c23c56f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 438cc3bb86bfb76ad2a979012ef946b9425075ab65d1a780dfe41245338e2b16
[INFO] running `Command { std: "docker" "start" "-a" "438cc3bb86bfb76ad2a979012ef946b9425075ab65d1a780dfe41245338e2b16", kill_on_drop: false }`
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking libmath v0.2.1
[INFO] [stderr]  Documenting advent_2019_day_01 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "438cc3bb86bfb76ad2a979012ef946b9425075ab65d1a780dfe41245338e2b16", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "438cc3bb86bfb76ad2a979012ef946b9425075ab65d1a780dfe41245338e2b16", kill_on_drop: false }`
[INFO] [stdout] 438cc3bb86bfb76ad2a979012ef946b9425075ab65d1a780dfe41245338e2b16