[INFO] fetching crate async-join 0.2.0...
[INFO] documenting async-join-0.2.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate async-join 0.2.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate async-join 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 async-join 0.2.0
[INFO] finished tweaking crates.io crate async-join 0.2.0
[INFO] tweaked toml for crates.io crate async-join 0.2.0 written to /workspace/builds/worker-1/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fa7ce7ee7deceab723cd0cf9e6e84938b8c3aac30c4e7ceb9ed8a7eae2985c17
[INFO] running `Command { std: "docker" "start" "-a" "fa7ce7ee7deceab723cd0cf9e6e84938b8c3aac30c4e7ceb9ed8a7eae2985c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fa7ce7ee7deceab723cd0cf9e6e84938b8c3aac30c4e7ceb9ed8a7eae2985c17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa7ce7ee7deceab723cd0cf9e6e84938b8c3aac30c4e7ceb9ed8a7eae2985c17", kill_on_drop: false }`
[INFO] [stdout] fa7ce7ee7deceab723cd0cf9e6e84938b8c3aac30c4e7ceb9ed8a7eae2985c17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 1e60f2e7427ae5e2e3b77dd25b4a88ffcaade9a542b406eed5dcb37ebd930c1d
[INFO] running `Command { std: "docker" "start" "-a" "1e60f2e7427ae5e2e3b77dd25b4a88ffcaade9a542b406eed5dcb37ebd930c1d", kill_on_drop: false }`
[INFO] [stderr]  Documenting async-join v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "1e60f2e7427ae5e2e3b77dd25b4a88ffcaade9a542b406eed5dcb37ebd930c1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e60f2e7427ae5e2e3b77dd25b4a88ffcaade9a542b406eed5dcb37ebd930c1d", kill_on_drop: false }`
[INFO] [stdout] 1e60f2e7427ae5e2e3b77dd25b4a88ffcaade9a542b406eed5dcb37ebd930c1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 17db102df1a1ef35b6b7c5b5e47295a36925d0aaed2f6f58b7cc027516da0d2e
[INFO] running `Command { std: "docker" "start" "-a" "17db102df1a1ef35b6b7c5b5e47295a36925d0aaed2f6f58b7cc027516da0d2e", kill_on_drop: false }`
[INFO] [stderr]  Documenting async-join v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "17db102df1a1ef35b6b7c5b5e47295a36925d0aaed2f6f58b7cc027516da0d2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17db102df1a1ef35b6b7c5b5e47295a36925d0aaed2f6f58b7cc027516da0d2e", kill_on_drop: false }`
[INFO] [stdout] 17db102df1a1ef35b6b7c5b5e47295a36925d0aaed2f6f58b7cc027516da0d2e