[INFO] fetching crate multitask 0.2.0...
[INFO] documenting multitask-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate multitask 0.2.0 into /workspace/builds/worker-21/source
[INFO] validating manifest of crates.io crate multitask 0.2.0 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 multitask 0.2.0
[INFO] finished tweaking crates.io crate multitask 0.2.0
[INFO] tweaked toml for crates.io crate multitask 0.2.0 written to /workspace/builds/worker-21/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "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" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking v1.0.6
[INFO] [stderr]   Downloaded futures-lite v0.1.11
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded async-io v0.1.11
[INFO] [stderr]   Downloaded async-task v3.0.0
[INFO] [stderr]   Downloaded polling v0.1.9
[INFO] [stderr]   Downloaded vec-arena v0.5.2
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 1679862d8f6556ed541f39604e59c3c55e533bd365e1e2bba0eea9776a76adf2
[INFO] running `Command { std: "docker" "start" "-a" "1679862d8f6556ed541f39604e59c3c55e533bd365e1e2bba0eea9776a76adf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1679862d8f6556ed541f39604e59c3c55e533bd365e1e2bba0eea9776a76adf2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1679862d8f6556ed541f39604e59c3c55e533bd365e1e2bba0eea9776a76adf2", kill_on_drop: false }`
[INFO] [stdout] 1679862d8f6556ed541f39604e59c3c55e533bd365e1e2bba0eea9776a76adf2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 19ff73026c850953f1726c211ebf0e2f83b26a478988236ad1d2344daebb1b78
[INFO] running `Command { std: "docker" "start" "-a" "19ff73026c850953f1726c211ebf0e2f83b26a478988236ad1d2344daebb1b78", kill_on_drop: false }`
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]  Documenting multitask v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "19ff73026c850953f1726c211ebf0e2f83b26a478988236ad1d2344daebb1b78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19ff73026c850953f1726c211ebf0e2f83b26a478988236ad1d2344daebb1b78", kill_on_drop: false }`
[INFO] [stdout] 19ff73026c850953f1726c211ebf0e2f83b26a478988236ad1d2344daebb1b78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-21/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] 2d0e5b636883cfb7abb618c168e08e1fe445d1255c4f952c2453897ce4bddf17
[INFO] running `Command { std: "docker" "start" "-a" "2d0e5b636883cfb7abb618c168e08e1fe445d1255c4f952c2453897ce4bddf17", kill_on_drop: false }`
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking fastrand v1.7.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]  Documenting multitask v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "2d0e5b636883cfb7abb618c168e08e1fe445d1255c4f952c2453897ce4bddf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0e5b636883cfb7abb618c168e08e1fe445d1255c4f952c2453897ce4bddf17", kill_on_drop: false }`
[INFO] [stdout] 2d0e5b636883cfb7abb618c168e08e1fe445d1255c4f952c2453897ce4bddf17