[INFO] fetching crate halfbit 0.0.5...
[INFO] documenting halfbit-0.0.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate halfbit 0.0.5 into /workspace/builds/worker-70/source
[INFO] validating manifest of crates.io crate halfbit 0.0.5 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 halfbit 0.0.5
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate halfbit 0.0.5
[INFO] tweaked toml for crates.io crate halfbit 0.0.5 written to /workspace/builds/worker-70/source/Cargo.toml
[INFO] crate crates.io crate halfbit 0.0.5 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-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] a6957451e31dd190f6746e74cba17acc1910c22f2052a4445764c219c028145e
[INFO] running `Command { std: "docker" "start" "-a" "a6957451e31dd190f6746e74cba17acc1910c22f2052a4445764c219c028145e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6957451e31dd190f6746e74cba17acc1910c22f2052a4445764c219c028145e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6957451e31dd190f6746e74cba17acc1910c22f2052a4445764c219c028145e", kill_on_drop: false }`
[INFO] [stdout] a6957451e31dd190f6746e74cba17acc1910c22f2052a4445764c219c028145e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] c7d020ebb591320462d844821e30fd6bd4fba61e971cded95ac7d3bbdcab7737
[INFO] running `Command { std: "docker" "start" "-a" "c7d020ebb591320462d844821e30fd6bd4fba61e971cded95ac7d3bbdcab7737", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]  Documenting halfbit v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.20s
[INFO] running `Command { std: "docker" "inspect" "c7d020ebb591320462d844821e30fd6bd4fba61e971cded95ac7d3bbdcab7737", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7d020ebb591320462d844821e30fd6bd4fba61e971cded95ac7d3bbdcab7737", kill_on_drop: false }`
[INFO] [stdout] c7d020ebb591320462d844821e30fd6bd4fba61e971cded95ac7d3bbdcab7737
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-70/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] 30651d3e0bf4a7d960534bdaeecf2796e8a58db8f49bc62bfeca3b870d4a9056
[INFO] running `Command { std: "docker" "start" "-a" "30651d3e0bf4a7d960534bdaeecf2796e8a58db8f49bc62bfeca3b870d4a9056", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]  Documenting halfbit v0.0.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.03s
[INFO] running `Command { std: "docker" "inspect" "30651d3e0bf4a7d960534bdaeecf2796e8a58db8f49bc62bfeca3b870d4a9056", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30651d3e0bf4a7d960534bdaeecf2796e8a58db8f49bc62bfeca3b870d4a9056", kill_on_drop: false }`
[INFO] [stdout] 30651d3e0bf4a7d960534bdaeecf2796e8a58db8f49bc62bfeca3b870d4a9056