[INFO] fetching crate async-metronome 0.2.0...
[INFO] documenting async-metronome-0.2.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate async-metronome 0.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate async-metronome 0.2.0 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 async-metronome 0.2.0
[INFO] finished tweaking crates.io crate async-metronome 0.2.0
[INFO] tweaked toml for crates.io crate async-metronome 0.2.0 written to /workspace/builds/worker-5/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]  Downloading crates ...
[INFO] [stderr]   Downloaded async-metronome-attributes v0.1.1
[INFO] [stderr]   Downloaded nanorand v0.4.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] c72b2bdd67ab2507a4eae5b054165135d080ba2a4af7307dc34c43f075b84333
[INFO] running `Command { std: "docker" "start" "-a" "c72b2bdd67ab2507a4eae5b054165135d080ba2a4af7307dc34c43f075b84333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c72b2bdd67ab2507a4eae5b054165135d080ba2a4af7307dc34c43f075b84333", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c72b2bdd67ab2507a4eae5b054165135d080ba2a4af7307dc34c43f075b84333", kill_on_drop: false }`
[INFO] [stdout] c72b2bdd67ab2507a4eae5b054165135d080ba2a4af7307dc34c43f075b84333
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] bf02d9ed7958660d4e3015358bc867256f4aa16f9e2ea4c1f8ba92924c5384cb
[INFO] running `Command { std: "docker" "start" "-a" "bf02d9ed7958660d4e3015358bc867256f4aa16f9e2ea4c1f8ba92924c5384cb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking futures-channel v0.3.16
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking spinning_top v0.2.4
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]     Checking nanorand v0.4.4
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking flume v0.9.2
[INFO] [stderr]    Compiling async-metronome-attributes v0.1.1
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]  Documenting async-metronome v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.18s
[INFO] running `Command { std: "docker" "inspect" "bf02d9ed7958660d4e3015358bc867256f4aa16f9e2ea4c1f8ba92924c5384cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bf02d9ed7958660d4e3015358bc867256f4aa16f9e2ea4c1f8ba92924c5384cb", kill_on_drop: false }`
[INFO] [stdout] bf02d9ed7958660d4e3015358bc867256f4aa16f9e2ea4c1f8ba92924c5384cb
