[INFO] fetching crate concread 0.2.16...
[INFO] documenting concread-0.2.16 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate concread 0.2.16 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate concread 0.2.16 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 concread 0.2.16
[INFO] finished tweaking crates.io crate concread 0.2.16
[INFO] tweaked toml for crates.io crate concread 0.2.16 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate concread 0.2.16 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 tokio v1.6.1
[INFO] [stderr]   Downloaded packed_simd_2 v0.3.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 92d41f51ab9216a6e6b329030c95455539417c8dda8a20d3419c19b47d2a32e1
[INFO] running `Command { std: "docker" "start" "-a" "92d41f51ab9216a6e6b329030c95455539417c8dda8a20d3419c19b47d2a32e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92d41f51ab9216a6e6b329030c95455539417c8dda8a20d3419c19b47d2a32e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92d41f51ab9216a6e6b329030c95455539417c8dda8a20d3419c19b47d2a32e1", kill_on_drop: false }`
[INFO] [stdout] 92d41f51ab9216a6e6b329030c95455539417c8dda8a20d3419c19b47d2a32e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 23aa2edb8a724230033b943fc32e32ea0abf363c5c911264b153d8499c68fb95
[INFO] running `Command { std: "docker" "start" "-a" "23aa2edb8a724230033b943fc32e32ea0abf363c5c911264b153d8499c68fb95", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking ahash v0.7.4
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]     Checking concread v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting concread v0.2.16 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "23aa2edb8a724230033b943fc32e32ea0abf363c5c911264b153d8499c68fb95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23aa2edb8a724230033b943fc32e32ea0abf363c5c911264b153d8499c68fb95", kill_on_drop: false }`
[INFO] [stdout] 23aa2edb8a724230033b943fc32e32ea0abf363c5c911264b153d8499c68fb95
