[INFO] fetching crate rusty_dns 0.0.3...
[INFO] documenting rusty_dns-0.0.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate rusty_dns 0.0.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate rusty_dns 0.0.3 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 rusty_dns 0.0.3
[INFO] finished tweaking crates.io crate rusty_dns 0.0.3
[INFO] tweaked toml for crates.io crate rusty_dns 0.0.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate rusty_dns 0.0.3 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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 9a85282153412f3fcec1da8a17cb5648198e3248316833ae7c9242548892e708
[INFO] running `Command { std: "docker" "start" "-a" "9a85282153412f3fcec1da8a17cb5648198e3248316833ae7c9242548892e708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a85282153412f3fcec1da8a17cb5648198e3248316833ae7c9242548892e708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a85282153412f3fcec1da8a17cb5648198e3248316833ae7c9242548892e708", kill_on_drop: false }`
[INFO] [stdout] 9a85282153412f3fcec1da8a17cb5648198e3248316833ae7c9242548892e708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 2eed5a50a6dfb3cdd080449db586abcdbbfd33dd5cb517ce3df02a071ff60139
[INFO] running `Command { std: "docker" "start" "-a" "2eed5a50a6dfb3cdd080449db586abcdbbfd33dd5cb517ce3df02a071ff60139", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting rusty_dns v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
[INFO] running `Command { std: "docker" "inspect" "2eed5a50a6dfb3cdd080449db586abcdbbfd33dd5cb517ce3df02a071ff60139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eed5a50a6dfb3cdd080449db586abcdbbfd33dd5cb517ce3df02a071ff60139", kill_on_drop: false }`
[INFO] [stdout] 2eed5a50a6dfb3cdd080449db586abcdbbfd33dd5cb517ce3df02a071ff60139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] c724bc5c8116e6aa5f758285f35ac7902781d1d679faac1a39c820bb37437c64
[INFO] running `Command { std: "docker" "start" "-a" "c724bc5c8116e6aa5f758285f35ac7902781d1d679faac1a39c820bb37437c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting rusty_dns v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.54s
[INFO] running `Command { std: "docker" "inspect" "c724bc5c8116e6aa5f758285f35ac7902781d1d679faac1a39c820bb37437c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c724bc5c8116e6aa5f758285f35ac7902781d1d679faac1a39c820bb37437c64", kill_on_drop: false }`
[INFO] [stdout] c724bc5c8116e6aa5f758285f35ac7902781d1d679faac1a39c820bb37437c64