[INFO] fetching crate sparrow 0.1.0...
[INFO] documenting sparrow-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate sparrow 0.1.0 into /workspace/builds/worker-28/source
[INFO] validating manifest of crates.io crate sparrow 0.1.0 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 sparrow 0.1.0
[INFO] finished tweaking crates.io crate sparrow 0.1.0
[INFO] tweaked toml for crates.io crate sparrow 0.1.0 written to /workspace/builds/worker-28/source/Cargo.toml
[INFO] crate crates.io crate sparrow 0.1.0 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 }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] eb99096669fe17e52b37b5fa36b2305e9b336eb97b0132dd61acb7c8def0d59b
[INFO] running `Command { std: "docker" "start" "-a" "eb99096669fe17e52b37b5fa36b2305e9b336eb97b0132dd61acb7c8def0d59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eb99096669fe17e52b37b5fa36b2305e9b336eb97b0132dd61acb7c8def0d59b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb99096669fe17e52b37b5fa36b2305e9b336eb97b0132dd61acb7c8def0d59b", kill_on_drop: false }`
[INFO] [stdout] eb99096669fe17e52b37b5fa36b2305e9b336eb97b0132dd61acb7c8def0d59b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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] 7afd82dfb638700e4e6e0a69cf419ba159a817ebae5e3113824844e9e55fb270
[INFO] running `Command { std: "docker" "start" "-a" "7afd82dfb638700e4e6e0a69cf419ba159a817ebae5e3113824844e9e55fb270", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]  Documenting sparrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `Command { std: "docker" "inspect" "7afd82dfb638700e4e6e0a69cf419ba159a817ebae5e3113824844e9e55fb270", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7afd82dfb638700e4e6e0a69cf419ba159a817ebae5e3113824844e9e55fb270", kill_on_drop: false }`
[INFO] [stdout] 7afd82dfb638700e4e6e0a69cf419ba159a817ebae5e3113824844e9e55fb270
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-28/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" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=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] 45180b40946d41a5206c1544ac83e5fd4de93490ebcd923fb961f62f9fd2cba1
[INFO] running `Command { std: "docker" "start" "-a" "45180b40946d41a5206c1544ac83e5fd4de93490ebcd923fb961f62f9fd2cba1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]  Documenting sparrow v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.42s
[INFO] running `Command { std: "docker" "inspect" "45180b40946d41a5206c1544ac83e5fd4de93490ebcd923fb961f62f9fd2cba1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "45180b40946d41a5206c1544ac83e5fd4de93490ebcd923fb961f62f9fd2cba1", kill_on_drop: false }`
[INFO] [stdout] 45180b40946d41a5206c1544ac83e5fd4de93490ebcd923fb961f62f9fd2cba1