[INFO] cloning repository https://github.com/bfollek/advent2018rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bfollek/advent2018rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbfollek%2Fadvent2018rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbfollek%2Fadvent2018rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 737848d94b57ea662b0641f001519fbb27cc3912
[INFO] documenting bfollek/advent2018rust 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%2Fbfollek%2Fadvent2018rust" "/workspace/builds/worker-34/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-34/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bfollek/advent2018rust 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/bfollek/advent2018rust
[INFO] finished tweaking git repo https://github.com/bfollek/advent2018rust
[INFO] tweaked toml for git repo https://github.com/bfollek/advent2018rust written to /workspace/builds/worker-34/source/Cargo.toml
[INFO] crate git repo https://github.com/bfollek/advent2018rust 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-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] b0a7734d66cba3cbaec26314313932647b90e28841e660ab076274d8138c1748
[INFO] running `Command { std: "docker" "start" "-a" "b0a7734d66cba3cbaec26314313932647b90e28841e660ab076274d8138c1748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0a7734d66cba3cbaec26314313932647b90e28841e660ab076274d8138c1748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a7734d66cba3cbaec26314313932647b90e28841e660ab076274d8138c1748", kill_on_drop: false }`
[INFO] [stdout] b0a7734d66cba3cbaec26314313932647b90e28841e660ab076274d8138c1748
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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] af4757dc827bf2599ee6a0536c6f31d98bbde17132adc943c7f41962f0c927d0
[INFO] running `Command { std: "docker" "start" "-a" "af4757dc827bf2599ee6a0536c6f31d98bbde17132adc943c7f41962f0c927d0", kill_on_drop: false }`
[INFO] [stderr]  Documenting advent2018rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.03s
[INFO] running `Command { std: "docker" "inspect" "af4757dc827bf2599ee6a0536c6f31d98bbde17132adc943c7f41962f0c927d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4757dc827bf2599ee6a0536c6f31d98bbde17132adc943c7f41962f0c927d0", kill_on_drop: false }`
[INFO] [stdout] af4757dc827bf2599ee6a0536c6f31d98bbde17132adc943c7f41962f0c927d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-34/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=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] c6bdea084d518a99d013351d639ebec69a3f2529104fd6f2d21c1fbc44a9ad32
[INFO] running `Command { std: "docker" "start" "-a" "c6bdea084d518a99d013351d639ebec69a3f2529104fd6f2d21c1fbc44a9ad32", kill_on_drop: false }`
[INFO] [stderr]  Documenting advent2018rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.80s
[INFO] running `Command { std: "docker" "inspect" "c6bdea084d518a99d013351d639ebec69a3f2529104fd6f2d21c1fbc44a9ad32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6bdea084d518a99d013351d639ebec69a3f2529104fd6f2d21c1fbc44a9ad32", kill_on_drop: false }`
[INFO] [stdout] c6bdea084d518a99d013351d639ebec69a3f2529104fd6f2d21c1fbc44a9ad32