[INFO] fetching crate webnd 0.0.1-placeholder...
[INFO] documenting webnd-0.0.1-placeholder against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate webnd 0.0.1-placeholder into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate webnd 0.0.1-placeholder 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 webnd 0.0.1-placeholder
[INFO] finished tweaking crates.io crate webnd 0.0.1-placeholder
[INFO] tweaked toml for crates.io crate webnd 0.0.1-placeholder written to /workspace/builds/worker-2/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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] f794ed0d49a9308d9ce5fad94bc2a755639d561c77cc9580b0b0955e8a4de989
[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" "f794ed0d49a9308d9ce5fad94bc2a755639d561c77cc9580b0b0955e8a4de989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f794ed0d49a9308d9ce5fad94bc2a755639d561c77cc9580b0b0955e8a4de989", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f794ed0d49a9308d9ce5fad94bc2a755639d561c77cc9580b0b0955e8a4de989", kill_on_drop: false }`
[INFO] [stdout] f794ed0d49a9308d9ce5fad94bc2a755639d561c77cc9580b0b0955e8a4de989
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 1e9a54e7c8bbd403904b6a8b722fe3a3504836d48934c2a3b4fe433efc707d13
[INFO] running `Command { std: "docker" "start" "-a" "1e9a54e7c8bbd403904b6a8b722fe3a3504836d48934c2a3b4fe433efc707d13", kill_on_drop: false }`
[INFO] [stderr]  Documenting webnd v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "1e9a54e7c8bbd403904b6a8b722fe3a3504836d48934c2a3b4fe433efc707d13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e9a54e7c8bbd403904b6a8b722fe3a3504836d48934c2a3b4fe433efc707d13", kill_on_drop: false }`
[INFO] [stdout] 1e9a54e7c8bbd403904b6a8b722fe3a3504836d48934c2a3b4fe433efc707d13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ca063107817df1f6d31a15571bf32ea46e04c71cc33b9f2c9487ad014f7c4ffd
[INFO] running `Command { std: "docker" "start" "-a" "ca063107817df1f6d31a15571bf32ea46e04c71cc33b9f2c9487ad014f7c4ffd", kill_on_drop: false }`
[INFO] [stderr]  Documenting webnd v0.0.1-placeholder (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.64s
[INFO] running `Command { std: "docker" "inspect" "ca063107817df1f6d31a15571bf32ea46e04c71cc33b9f2c9487ad014f7c4ffd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca063107817df1f6d31a15571bf32ea46e04c71cc33b9f2c9487ad014f7c4ffd", kill_on_drop: false }`
[INFO] [stdout] ca063107817df1f6d31a15571bf32ea46e04c71cc33b9f2c9487ad014f7c4ffd