[INFO] fetching crate pubsub 0.2.3...
[INFO] documenting pubsub-0.2.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate pubsub 0.2.3 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate pubsub 0.2.3 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 pubsub 0.2.3
[INFO] finished tweaking crates.io crate pubsub 0.2.3
[INFO] tweaked toml for crates.io crate pubsub 0.2.3 written to /workspace/builds/worker-10/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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded threadpool v0.1.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 30fbb4e2d1269fa3f7b6e699d98d1d1ba799a7ac267bf390c1d869014ca57234
[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" "30fbb4e2d1269fa3f7b6e699d98d1d1ba799a7ac267bf390c1d869014ca57234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30fbb4e2d1269fa3f7b6e699d98d1d1ba799a7ac267bf390c1d869014ca57234", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30fbb4e2d1269fa3f7b6e699d98d1d1ba799a7ac267bf390c1d869014ca57234", kill_on_drop: false }`
[INFO] [stdout] 30fbb4e2d1269fa3f7b6e699d98d1d1ba799a7ac267bf390c1d869014ca57234
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 78be171630205fb25d1aa6d38f5d3a7ecc922a27e24d91c9fe4cce0b10b90b26
[INFO] running `Command { std: "docker" "start" "-a" "78be171630205fb25d1aa6d38f5d3a7ecc922a27e24d91c9fe4cce0b10b90b26", kill_on_drop: false }`
[INFO] [stderr]     Checking threadpool v0.1.4
[INFO] [stderr]  Documenting pubsub v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.32s
[INFO] running `Command { std: "docker" "inspect" "78be171630205fb25d1aa6d38f5d3a7ecc922a27e24d91c9fe4cce0b10b90b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78be171630205fb25d1aa6d38f5d3a7ecc922a27e24d91c9fe4cce0b10b90b26", kill_on_drop: false }`
[INFO] [stdout] 78be171630205fb25d1aa6d38f5d3a7ecc922a27e24d91c9fe4cce0b10b90b26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8d894524695933e3f0e9c6d2a2021b00ab6af0b95c7a1c683584ca9892f541e5
[INFO] running `Command { std: "docker" "start" "-a" "8d894524695933e3f0e9c6d2a2021b00ab6af0b95c7a1c683584ca9892f541e5", kill_on_drop: false }`
[INFO] [stderr]     Checking threadpool v0.1.4
[INFO] [stderr]  Documenting pubsub v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.01s
[INFO] running `Command { std: "docker" "inspect" "8d894524695933e3f0e9c6d2a2021b00ab6af0b95c7a1c683584ca9892f541e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d894524695933e3f0e9c6d2a2021b00ab6af0b95c7a1c683584ca9892f541e5", kill_on_drop: false }`
[INFO] [stdout] 8d894524695933e3f0e9c6d2a2021b00ab6af0b95c7a1c683584ca9892f541e5