[INFO] fetching crate tokio-threadpool 0.1.18...
[INFO] documenting tokio-threadpool-0.1.18 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate tokio-threadpool 0.1.18 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate tokio-threadpool 0.1.18 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-15/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" "+1.61.0" "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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e633a8b9a6a6c7399b6762b4462c0c2809097d32e4d67ebf352a2fede1ce590
[INFO] running `Command { std: "docker" "start" "-a" "1e633a8b9a6a6c7399b6762b4462c0c2809097d32e4d67ebf352a2fede1ce590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e633a8b9a6a6c7399b6762b4462c0c2809097d32e4d67ebf352a2fede1ce590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e633a8b9a6a6c7399b6762b4462c0c2809097d32e4d67ebf352a2fede1ce590", kill_on_drop: false }`
[INFO] [stdout] 1e633a8b9a6a6c7399b6762b4462c0c2809097d32e4d67ebf352a2fede1ce590
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84ef1bdd7148a65f86a35780a92dd0ae563dd4b9986a9c9bc9d9524c6ae9761d
[INFO] running `Command { std: "docker" "start" "-a" "84ef1bdd7148a65f86a35780a92dd0ae563dd4b9986a9c9bc9d9524c6ae9761d", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[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]    |                           ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 - const STACK_MASK: usize = ((1 << 16) - 1);
[INFO] [stdout] 17 + const STACK_MASK: usize = (1 << 16) - 1;
[INFO] [stdout]    | 
[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]    |                           ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 - const STACK_MASK: usize = ((1 << 16) - 1);
[INFO] [stdout] 41 + const STACK_MASK: usize = (1 << 16) - 1;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/worker/stack.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 | /// Treiber stack: https://en.wikipedia.org/wiki/Treiber_Stack
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Treiber_Stack>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.86s
[INFO] running `Command { std: "docker" "inspect" "84ef1bdd7148a65f86a35780a92dd0ae563dd4b9986a9c9bc9d9524c6ae9761d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ef1bdd7148a65f86a35780a92dd0ae563dd4b9986a9c9bc9d9524c6ae9761d", kill_on_drop: false }`
[INFO] [stdout] 84ef1bdd7148a65f86a35780a92dd0ae563dd4b9986a9c9bc9d9524c6ae9761d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 239547353c548fa7ec0423d22d87fb98b768052379bb9f48c7bf3fcd3ef87955
[INFO] running `Command { std: "docker" "start" "-a" "239547353c548fa7ec0423d22d87fb98b768052379bb9f48c7bf3fcd3ef87955", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures v0.1.29
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.1.9
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[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]    |                           ^             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 17 - const STACK_MASK: usize = ((1 << 16) - 1);
[INFO] [stdout] 17 + const STACK_MASK: usize = (1 << 16) - 1;
[INFO] [stdout]    | 
[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]    |                           ^             ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 41 - const STACK_MASK: usize = ((1 << 16) - 1);
[INFO] [stdout] 41 + const STACK_MASK: usize = (1 << 16) - 1;
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/worker/stack.rs:20:20
[INFO] [stdout]    |
[INFO] [stdout] 20 | /// Treiber stack: https://en.wikipedia.org/wiki/Treiber_Stack
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://en.wikipedia.org/wiki/Treiber_Stack>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.57s
[INFO] running `Command { std: "docker" "inspect" "239547353c548fa7ec0423d22d87fb98b768052379bb9f48c7bf3fcd3ef87955", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "239547353c548fa7ec0423d22d87fb98b768052379bb9f48c7bf3fcd3ef87955", kill_on_drop: false }`
[INFO] [stdout] 239547353c548fa7ec0423d22d87fb98b768052379bb9f48c7bf3fcd3ef87955