[INFO] fetching crate threads_pool 0.2.6...
[INFO] documenting threads_pool-0.2.6 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate threads_pool 0.2.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate threads_pool 0.2.6 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate threads_pool 0.2.6
[INFO] finished tweaking crates.io crate threads_pool 0.2.6
[INFO] tweaked toml for crates.io crate threads_pool 0.2.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate threads_pool 0.2.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74b3d14d4ae9fc0cb77c0dd8edc64fe71c85c6291d224b17eb08e2343e85b71e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "74b3d14d4ae9fc0cb77c0dd8edc64fe71c85c6291d224b17eb08e2343e85b71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74b3d14d4ae9fc0cb77c0dd8edc64fe71c85c6291d224b17eb08e2343e85b71e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74b3d14d4ae9fc0cb77c0dd8edc64fe71c85c6291d224b17eb08e2343e85b71e", kill_on_drop: false }`
[INFO] [stdout] 74b3d14d4ae9fc0cb77c0dd8edc64fe71c85c6291d224b17eb08e2343e85b71e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 325b27d57908d33dfdc69e1a7afa95baadd4cf73e7a7aefde888b5122ceed46b
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "325b27d57908d33dfdc69e1a7afa95baadd4cf73e7a7aefde888b5122ceed46b", kill_on_drop: false }`
[INFO] [stderr]     Checking owning_ref v0.4.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]  Documenting threads_pool v0.2.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.89s
[INFO] running `Command { std: "docker" "inspect" "325b27d57908d33dfdc69e1a7afa95baadd4cf73e7a7aefde888b5122ceed46b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "325b27d57908d33dfdc69e1a7afa95baadd4cf73e7a7aefde888b5122ceed46b", kill_on_drop: false }`
[INFO] [stdout] 325b27d57908d33dfdc69e1a7afa95baadd4cf73e7a7aefde888b5122ceed46b