[INFO] fetching crate wgdiff 0.4.2...
[INFO] documenting wgdiff-0.4.2 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate wgdiff 0.4.2 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate wgdiff 0.4.2 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 wgdiff 0.4.2
[INFO] finished tweaking crates.io crate wgdiff 0.4.2
[INFO] tweaked toml for crates.io crate wgdiff 0.4.2 written to /workspace/builds/worker-12/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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] f30a55b9b78fffd883e5854a3fb83aed0c3c6e47b0ce9610b9d7ac40a551a521
[INFO] running `Command { std: "docker" "start" "-a" "f30a55b9b78fffd883e5854a3fb83aed0c3c6e47b0ce9610b9d7ac40a551a521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f30a55b9b78fffd883e5854a3fb83aed0c3c6e47b0ce9610b9d7ac40a551a521", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f30a55b9b78fffd883e5854a3fb83aed0c3c6e47b0ce9610b9d7ac40a551a521", kill_on_drop: false }`
[INFO] [stdout] f30a55b9b78fffd883e5854a3fb83aed0c3c6e47b0ce9610b9d7ac40a551a521
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] befbf76f24bc7be4924d2d6a3c0770310663f85d482bd689e44a9ccbaac54606
[INFO] running `Command { std: "docker" "start" "-a" "befbf76f24bc7be4924d2d6a3c0770310663f85d482bd689e44a9ccbaac54606", kill_on_drop: false }`
[INFO] [stderr]  Documenting wgdiff v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `Command { std: "docker" "inspect" "befbf76f24bc7be4924d2d6a3c0770310663f85d482bd689e44a9ccbaac54606", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "befbf76f24bc7be4924d2d6a3c0770310663f85d482bd689e44a9ccbaac54606", kill_on_drop: false }`
[INFO] [stdout] befbf76f24bc7be4924d2d6a3c0770310663f85d482bd689e44a9ccbaac54606
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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] ca61ce2f6a00ef212d9570618cf1cee120e3973e4f542ca2d124a696d40edf2d
[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" "ca61ce2f6a00ef212d9570618cf1cee120e3973e4f542ca2d124a696d40edf2d", kill_on_drop: false }`
[INFO] [stderr]  Documenting wgdiff v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] running `Command { std: "docker" "inspect" "ca61ce2f6a00ef212d9570618cf1cee120e3973e4f542ca2d124a696d40edf2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca61ce2f6a00ef212d9570618cf1cee120e3973e4f542ca2d124a696d40edf2d", kill_on_drop: false }`
[INFO] [stdout] ca61ce2f6a00ef212d9570618cf1cee120e3973e4f542ca2d124a696d40edf2d