[INFO] fetching crate ckb-metrics-runtime 0.13.1...
[INFO] documenting ckb-metrics-runtime-0.13.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate ckb-metrics-runtime 0.13.1 into /workspace/builds/worker-90/source
[INFO] validating manifest of crates.io crate ckb-metrics-runtime 0.13.1 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 ckb-metrics-runtime 0.13.1
[INFO] finished tweaking crates.io crate ckb-metrics-runtime 0.13.1
[INFO] tweaked toml for crates.io crate ckb-metrics-runtime 0.13.1 written to /workspace/builds/worker-90/source/Cargo.toml
[INFO] crate crates.io crate ckb-metrics-runtime 0.13.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.8.2
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] ec330e0f659c9307cfd687fddaac76eb92f8ec45ab2ad0a6aeca39257e692126
[INFO] running `Command { std: "docker" "start" "-a" "ec330e0f659c9307cfd687fddaac76eb92f8ec45ab2ad0a6aeca39257e692126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec330e0f659c9307cfd687fddaac76eb92f8ec45ab2ad0a6aeca39257e692126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec330e0f659c9307cfd687fddaac76eb92f8ec45ab2ad0a6aeca39257e692126", kill_on_drop: false }`
[INFO] [stdout] ec330e0f659c9307cfd687fddaac76eb92f8ec45ab2ad0a6aeca39257e692126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] 1fe8e277861b4490baa63f3ffe87bffdc18af1ada1c6f9c5d4f23db0a83fc166
[INFO] running `Command { std: "docker" "start" "-a" "1fe8e277861b4490baa63f3ffe87bffdc18af1ada1c6f9c5d4f23db0a83fc166", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
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[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking lazy_static v1.4.0
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[INFO] [stderr]    Compiling serde v1.0.118
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[INFO] [stderr]     Checking metrics-observer-yaml v0.1.1
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[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
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[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking metrics-exporter-http v0.3.0
[INFO] [stderr]  Documenting ckb-metrics-runtime v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.39s
[INFO] running `Command { std: "docker" "inspect" "1fe8e277861b4490baa63f3ffe87bffdc18af1ada1c6f9c5d4f23db0a83fc166", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe8e277861b4490baa63f3ffe87bffdc18af1ada1c6f9c5d4f23db0a83fc166", kill_on_drop: false }`
[INFO] [stdout] 1fe8e277861b4490baa63f3ffe87bffdc18af1ada1c6f9c5d4f23db0a83fc166
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-90/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] b02e0aac8e9e3770a51463c1adfc7241bfacd8dfeb4d42e8d3d6e868ecb8f980
[INFO] running `Command { std: "docker" "start" "-a" "b02e0aac8e9e3770a51463c1adfc7241bfacd8dfeb4d42e8d3d6e868ecb8f980", 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]    Compiling autocfg v1.0.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]     Checking pin-project-lite v0.1.11
[INFO] [stderr]     Checking metrics-core v0.5.2
[INFO] [stderr]    Compiling byteorder v1.3.4
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[INFO] [stderr]     Checking futures-task v0.3.8
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[INFO] [stderr]    Compiling metrics v0.12.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
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[INFO] [stderr]  Documenting ckb-metrics-runtime v0.13.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.72s
[INFO] running `Command { std: "docker" "inspect" "b02e0aac8e9e3770a51463c1adfc7241bfacd8dfeb4d42e8d3d6e868ecb8f980", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b02e0aac8e9e3770a51463c1adfc7241bfacd8dfeb4d42e8d3d6e868ecb8f980", kill_on_drop: false }`
[INFO] [stdout] b02e0aac8e9e3770a51463c1adfc7241bfacd8dfeb4d42e8d3d6e868ecb8f980