[INFO] fetching crate tokio-threadpool 0.1.18...
[INFO] documenting tokio-threadpool-0.1.18 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate tokio-threadpool 0.1.18 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate tokio-threadpool 0.1.18 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokio-threadpool 0.1.18
[INFO] finished tweaking crates.io crate tokio-threadpool 0.1.18
[INFO] tweaked toml for crates.io crate tokio-threadpool 0.1.18 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate tokio-threadpool 0.1.18 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] ad9a601bf499b3567a0e4fab7f10b5911856ca9f276639429717c7b2d08c5cf4
[INFO] running `Command { std: "docker" "start" "-a" "ad9a601bf499b3567a0e4fab7f10b5911856ca9f276639429717c7b2d08c5cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ad9a601bf499b3567a0e4fab7f10b5911856ca9f276639429717c7b2d08c5cf4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad9a601bf499b3567a0e4fab7f10b5911856ca9f276639429717c7b2d08c5cf4", kill_on_drop: false }`
[INFO] [stdout] ad9a601bf499b3567a0e4fab7f10b5911856ca9f276639429717c7b2d08c5cf4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 203ce0441561d4d76ff35a9215d7986ff434409af2a7b074ffe3958e3cf4d08c
[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" "203ce0441561d4d76ff35a9215d7986ff434409af2a7b074ffe3958e3cf4d08c", kill_on_drop: false }`
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]  Documenting tokio-threadpool v0.1.18 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/pool/backup_stack.rs:17:27
[INFO] [stdout]    |
[INFO] [stdout] 17 | const STACK_MASK: usize = ((1 << 16) - 1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/worker/stack.rs:41:27
[INFO] [stdout]    |
[INFO] [stdout] 41 | const STACK_MASK: usize = ((1 << 16) - 1);
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.02s
[INFO] running `Command { std: "docker" "inspect" "203ce0441561d4d76ff35a9215d7986ff434409af2a7b074ffe3958e3cf4d08c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "203ce0441561d4d76ff35a9215d7986ff434409af2a7b074ffe3958e3cf4d08c", kill_on_drop: false }`
[INFO] [stdout] 203ce0441561d4d76ff35a9215d7986ff434409af2a7b074ffe3958e3cf4d08c
