[INFO] fetching crate bzlcfg 0.1.0...
[INFO] documenting bzlcfg-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate bzlcfg 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate bzlcfg 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bzlcfg 0.1.0
[INFO] finished tweaking crates.io crate bzlcfg 0.1.0
[INFO] tweaked toml for crates.io crate bzlcfg 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate bzlcfg 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded recap-derive v0.1.1
[INFO] [stderr]   Downloaded recap v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d4db8505ab73719df98038fa72f162c1cd74802b3fe93d10941f1cdfc9d0843
[INFO] running `Command { std: "docker" "start" "-a" "4d4db8505ab73719df98038fa72f162c1cd74802b3fe93d10941f1cdfc9d0843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d4db8505ab73719df98038fa72f162c1cd74802b3fe93d10941f1cdfc9d0843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d4db8505ab73719df98038fa72f162c1cd74802b3fe93d10941f1cdfc9d0843", kill_on_drop: false }`
[INFO] [stdout] 4d4db8505ab73719df98038fa72f162c1cd74802b3fe93d10941f1cdfc9d0843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7205ec0c345ab4c3fce9883bdf1f0b355b3f46c0408df35357fc7abf04119a92
[INFO] running `Command { std: "docker" "start" "-a" "7205ec0c345ab4c3fce9883bdf1f0b355b3f46c0408df35357fc7abf04119a92", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]    Compiling aho-corasick v0.7.6
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling recap-derive v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling structopt-derive v0.3.0
[INFO] [stderr]     Checking structopt v0.3.0
[INFO] [stderr]     Checking bstr v0.2.8
[INFO] [stderr]     Checking envy v0.4.0
[INFO] [stderr]     Checking recap v0.1.1
[INFO] [stderr]     Checking csv v1.1.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]  Documenting bzlcfg v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.65s
[INFO] running `Command { std: "docker" "inspect" "7205ec0c345ab4c3fce9883bdf1f0b355b3f46c0408df35357fc7abf04119a92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7205ec0c345ab4c3fce9883bdf1f0b355b3f46c0408df35357fc7abf04119a92", kill_on_drop: false }`
[INFO] [stdout] 7205ec0c345ab4c3fce9883bdf1f0b355b3f46c0408df35357fc7abf04119a92
