[INFO] cloning repository https://github.com/flannelhead/adventofcode2018
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flannelhead/adventofcode2018" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflannelhead%2Fadventofcode2018", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflannelhead%2Fadventofcode2018'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f8fdb46998336d20f65af830f5e9a71668f05b
[INFO] documenting flannelhead/adventofcode2018 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%2Fflannelhead%2Fadventofcode2018" "/workspace/builds/worker-30/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-30/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flannelhead/adventofcode2018 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/flannelhead/adventofcode2018
[INFO] finished tweaking git repo https://github.com/flannelhead/adventofcode2018
[INFO] tweaked toml for git repo https://github.com/flannelhead/adventofcode2018 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate git repo https://github.com/flannelhead/adventofcode2018 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] [stdout] 2cec012c4f095360196bdaf3859b45004cd9983ae4d5505194dd78c9afe56f42
[INFO] running `Command { std: "docker" "start" "-a" "2cec012c4f095360196bdaf3859b45004cd9983ae4d5505194dd78c9afe56f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cec012c4f095360196bdaf3859b45004cd9983ae4d5505194dd78c9afe56f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cec012c4f095360196bdaf3859b45004cd9983ae4d5505194dd78c9afe56f42", kill_on_drop: false }`
[INFO] [stdout] 2cec012c4f095360196bdaf3859b45004cd9983ae4d5505194dd78c9afe56f42
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] [stdout] fe4637f66b64e9c88019d875c275e9f53c509b763ed8d3b4da7d92e2d2f92b7f
[INFO] running `Command { std: "docker" "start" "-a" "fe4637f66b64e9c88019d875c275e9f53c509b763ed8d3b4da7d92e2d2f92b7f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking chrono v0.4.6
[INFO] [stderr]  Documenting adventofcode2018 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.35s
[INFO] running `Command { std: "docker" "inspect" "fe4637f66b64e9c88019d875c275e9f53c509b763ed8d3b4da7d92e2d2f92b7f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4637f66b64e9c88019d875c275e9f53c509b763ed8d3b4da7d92e2d2f92b7f", kill_on_drop: false }`
[INFO] [stdout] fe4637f66b64e9c88019d875c275e9f53c509b763ed8d3b4da7d92e2d2f92b7f