[INFO] fetching crate mandown 0.1.3...
[INFO] documenting mandown-0.1.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate mandown 0.1.3 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate mandown 0.1.3 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mandown 0.1.3
[INFO] finished tweaking crates.io crate mandown 0.1.3
[INFO] tweaked toml for crates.io crate mandown 0.1.3 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate mandown 0.1.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9857445884a91f83fc9fe0d39e7cca58565329a380248c0f882267b36b23256e
[INFO] running `Command { std: "docker" "start" "-a" "9857445884a91f83fc9fe0d39e7cca58565329a380248c0f882267b36b23256e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9857445884a91f83fc9fe0d39e7cca58565329a380248c0f882267b36b23256e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9857445884a91f83fc9fe0d39e7cca58565329a380248c0f882267b36b23256e", kill_on_drop: false }`
[INFO] [stdout] 9857445884a91f83fc9fe0d39e7cca58565329a380248c0f882267b36b23256e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11673da48d8d73a2f761900c89c2f2807dcca24ecaa73ee42219c7150c512553
[INFO] running `Command { std: "docker" "start" "-a" "11673da48d8d73a2f761900c89c2f2807dcca24ecaa73ee42219c7150c512553", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pulldown-cmark v0.9.0
[INFO] [stderr]     Checking deunicode v1.3.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]  Documenting mandown v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.28s
[INFO] running `Command { std: "docker" "inspect" "11673da48d8d73a2f761900c89c2f2807dcca24ecaa73ee42219c7150c512553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11673da48d8d73a2f761900c89c2f2807dcca24ecaa73ee42219c7150c512553", kill_on_drop: false }`
[INFO] [stdout] 11673da48d8d73a2f761900c89c2f2807dcca24ecaa73ee42219c7150c512553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 747a129354c7f616a9072aadf26a488015f79158b5720011172097a15d51e1f7
[INFO] running `Command { std: "docker" "start" "-a" "747a129354c7f616a9072aadf26a488015f79158b5720011172097a15d51e1f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling pulldown-cmark v0.9.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking deunicode v1.3.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]  Documenting mandown v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "747a129354c7f616a9072aadf26a488015f79158b5720011172097a15d51e1f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "747a129354c7f616a9072aadf26a488015f79158b5720011172097a15d51e1f7", kill_on_drop: false }`
[INFO] [stdout] 747a129354c7f616a9072aadf26a488015f79158b5720011172097a15d51e1f7