[INFO] fetching crate futures 0.3.6...
[INFO] documenting futures-0.3.6 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate futures 0.3.6 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate futures 0.3.6 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate futures 0.3.6
[INFO] finished tweaking crates.io crate futures 0.3.6
[INFO] tweaked toml for crates.io crate futures 0.3.6 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a3aeb2d1af0571387244ac50c790298117f18b949bc946d9c4c76a0f3688402
[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" "4a3aeb2d1af0571387244ac50c790298117f18b949bc946d9c4c76a0f3688402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a3aeb2d1af0571387244ac50c790298117f18b949bc946d9c4c76a0f3688402", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a3aeb2d1af0571387244ac50c790298117f18b949bc946d9c4c76a0f3688402", kill_on_drop: false }`
[INFO] [stdout] 4a3aeb2d1af0571387244ac50c790298117f18b949bc946d9c4c76a0f3688402
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 22c3933ff4dabd717728945bb5dac7d283acd730d50749fd84fb0f39ba7fd6de
[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" "22c3933ff4dabd717728945bb5dac7d283acd730d50749fd84fb0f39ba7fd6de", kill_on_drop: false }`
[INFO] [stderr]  Documenting futures v0.3.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `self::executor::ThreadPool`
[INFO] [stdout]    --> src/lib.rs:200:15
[INFO] [stdout]     |
[INFO] [stdout] 200 |     //! pool](crate::executor::ThreadPool). A small set of worker threads can
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^ the module `executor` contains no item named `ThreadPool`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `self::executor::ThreadPool::spawn_ok`
[INFO] [stdout]    --> src/lib.rs:203:24
[INFO] [stdout]     |
[INFO] [stdout] 203 |     //! [`spawn_ok()`](crate::executor::ThreadPool::spawn_ok)
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the module `executor` contains no item named `ThreadPool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "22c3933ff4dabd717728945bb5dac7d283acd730d50749fd84fb0f39ba7fd6de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c3933ff4dabd717728945bb5dac7d283acd730d50749fd84fb0f39ba7fd6de", kill_on_drop: false }`
[INFO] [stdout] 22c3933ff4dabd717728945bb5dac7d283acd730d50749fd84fb0f39ba7fd6de
