[INFO] fetching crate book 0.1.0...
[INFO] documenting book-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate book 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate book 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 book 0.1.0
[INFO] finished tweaking crates.io crate book 0.1.0
[INFO] tweaked toml for crates.io crate book 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "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] 473db3112b258b03e3faf7c8a9afce4e7f7d19dc8e420f149c69c1ced9f9bbb5
[INFO] running `Command { std: "docker" "start" "-a" "473db3112b258b03e3faf7c8a9afce4e7f7d19dc8e420f149c69c1ced9f9bbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "473db3112b258b03e3faf7c8a9afce4e7f7d19dc8e420f149c69c1ced9f9bbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "473db3112b258b03e3faf7c8a9afce4e7f7d19dc8e420f149c69c1ced9f9bbb5", kill_on_drop: false }`
[INFO] [stdout] 473db3112b258b03e3faf7c8a9afce4e7f7d19dc8e420f149c69c1ced9f9bbb5
[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" "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] 12e4aa70e1ee3a60b6d4fe229c72d20239ca0c320c807fac0ac6a7693501ecb6
[INFO] running `Command { std: "docker" "start" "-a" "12e4aa70e1ee3a60b6d4fe229c72d20239ca0c320c807fac0ac6a7693501ecb6", kill_on_drop: false }`
[INFO] [stderr]  Documenting book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "12e4aa70e1ee3a60b6d4fe229c72d20239ca0c320c807fac0ac6a7693501ecb6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e4aa70e1ee3a60b6d4fe229c72d20239ca0c320c807fac0ac6a7693501ecb6", kill_on_drop: false }`
[INFO] [stdout] 12e4aa70e1ee3a60b6d4fe229c72d20239ca0c320c807fac0ac6a7693501ecb6
