[INFO] fetching crate futures-util 0.3.16...
[INFO] documenting futures-util-0.3.16 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate futures-util 0.3.16 into /workspace/builds/worker-65/source
[INFO] validating manifest of crates.io crate futures-util 0.3.16 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 futures-util 0.3.16
[INFO] finished tweaking crates.io crate futures-util 0.3.16
[INFO] tweaked toml for crates.io crate futures-util 0.3.16 written to /workspace/builds/worker-65/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 01fd020e713da8dd8f1ebc5245167cf2c1066655cbf98ad1eb82919802e3fe54
[INFO] running `Command { std: "docker" "start" "-a" "01fd020e713da8dd8f1ebc5245167cf2c1066655cbf98ad1eb82919802e3fe54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01fd020e713da8dd8f1ebc5245167cf2c1066655cbf98ad1eb82919802e3fe54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01fd020e713da8dd8f1ebc5245167cf2c1066655cbf98ad1eb82919802e3fe54", kill_on_drop: false }`
[INFO] [stdout] 01fd020e713da8dd8f1ebc5245167cf2c1066655cbf98ad1eb82919802e3fe54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-65/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] 2223e26edbaae228633c013b11dbff1c7be0aa8cbdc92cdd684c66f8e8a0b108
[INFO] running `Command { std: "docker" "start" "-a" "2223e26edbaae228633c013b11dbff1c7be0aa8cbdc92cdd684c66f8e8a0b108", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting futures-util v0.3.16 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `SpawnExt::spawn_with_handle`
[INFO] [stdout]   --> src/task/spawn.rs:27:43
[INFO] [stdout]    |
[INFO] [stdout] 27 |     /// You can use [`spawn_with_handle`](SpawnExt::spawn_with_handle) if
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `SpawnExt` has no associated item named `spawn_with_handle`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `SpawnExt::spawn_with_handle`
[INFO] [stdout]    --> src/task/spawn.rs:104:43
[INFO] [stdout]     |
[INFO] [stdout] 104 |     /// You can use [`spawn_with_handle`](SpawnExt::spawn_with_handle) if
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `SpawnExt` has no associated item named `spawn_with_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `SpawnExt::spawn_with_handle`
[INFO] [stdout]   --> src/task/spawn.rs:27:43
[INFO] [stdout]    |
[INFO] [stdout] 27 |     /// You can use [`spawn_with_handle`](SpawnExt::spawn_with_handle) if
[INFO] [stdout]    |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `SpawnExt` has no associated item named `spawn_with_handle`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.44s
[INFO] running `Command { std: "docker" "inspect" "2223e26edbaae228633c013b11dbff1c7be0aa8cbdc92cdd684c66f8e8a0b108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2223e26edbaae228633c013b11dbff1c7be0aa8cbdc92cdd684c66f8e8a0b108", kill_on_drop: false }`
[INFO] [stdout] 2223e26edbaae228633c013b11dbff1c7be0aa8cbdc92cdd684c66f8e8a0b108
