[INFO] fetching crate md2 0.10.1...
[INFO] documenting md2-0.10.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate md2 0.10.1 into /workspace/builds/worker-29/source
[INFO] validating manifest of crates.io crate md2 0.10.1 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 md2 0.10.1
[INFO] finished tweaking crates.io crate md2 0.10.1
[INFO] tweaked toml for crates.io crate md2 0.10.1 written to /workspace/builds/worker-29/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] c8bfb9c1533f5f02c2dc86b0754b8e6211c1997c6158d632fdca2882ea62d91d
[INFO] running `Command { std: "docker" "start" "-a" "c8bfb9c1533f5f02c2dc86b0754b8e6211c1997c6158d632fdca2882ea62d91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8bfb9c1533f5f02c2dc86b0754b8e6211c1997c6158d632fdca2882ea62d91d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8bfb9c1533f5f02c2dc86b0754b8e6211c1997c6158d632fdca2882ea62d91d", kill_on_drop: false }`
[INFO] [stdout] c8bfb9c1533f5f02c2dc86b0754b8e6211c1997c6158d632fdca2882ea62d91d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 852ca0c6f309bc4d3cdfc4b087209cbbf5038e9173e6fe3ea45ce86ada12c947
[INFO] running `Command { std: "docker" "start" "-a" "852ca0c6f309bc4d3cdfc4b087209cbbf5038e9173e6fe3ea45ce86ada12c947", kill_on_drop: false }`
[INFO] [stderr]     Checking blobby v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]  Documenting md2 v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.51s
[INFO] running `Command { std: "docker" "inspect" "852ca0c6f309bc4d3cdfc4b087209cbbf5038e9173e6fe3ea45ce86ada12c947", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "852ca0c6f309bc4d3cdfc4b087209cbbf5038e9173e6fe3ea45ce86ada12c947", kill_on_drop: false }`
[INFO] [stdout] 852ca0c6f309bc4d3cdfc4b087209cbbf5038e9173e6fe3ea45ce86ada12c947
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-29/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] 898462b2e8128d56214797c9b961307eb06caa5885208d7cee300687a2aef950
[INFO] running `Command { std: "docker" "start" "-a" "898462b2e8128d56214797c9b961307eb06caa5885208d7cee300687a2aef950", kill_on_drop: false }`
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]     Checking blobby v0.3.1
[INFO] [stderr]    Compiling generic-array v0.14.5
[INFO] [stderr]     Checking crypto-common v0.1.3
[INFO] [stderr]     Checking block-buffer v0.10.2
[INFO] [stderr]     Checking digest v0.10.3
[INFO] [stderr]  Documenting md2 v0.10.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.86s
[INFO] running `Command { std: "docker" "inspect" "898462b2e8128d56214797c9b961307eb06caa5885208d7cee300687a2aef950", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "898462b2e8128d56214797c9b961307eb06caa5885208d7cee300687a2aef950", kill_on_drop: false }`
[INFO] [stdout] 898462b2e8128d56214797c9b961307eb06caa5885208d7cee300687a2aef950