[INFO] fetching crate flate2 1.0.23...
[INFO] documenting flate2-1.0.23 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate flate2 1.0.23 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate flate2 1.0.23 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 flate2 1.0.23
[INFO] finished tweaking crates.io crate flate2 1.0.23
[INFO] tweaked toml for crates.io crate flate2 1.0.23 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate flate2 1.0.23 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cloudflare-zlib-sys v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 171c3e6e32580a9c84eea41f81149c48b35f0da4d90b78d75f833b1850b2253f
[INFO] running `Command { std: "docker" "start" "-a" "171c3e6e32580a9c84eea41f81149c48b35f0da4d90b78d75f833b1850b2253f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "171c3e6e32580a9c84eea41f81149c48b35f0da4d90b78d75f833b1850b2253f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "171c3e6e32580a9c84eea41f81149c48b35f0da4d90b78d75f833b1850b2253f", kill_on_drop: false }`
[INFO] [stdout] 171c3e6e32580a9c84eea41f81149c48b35f0da4d90b78d75f833b1850b2253f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 37a7df5d6c545dda3a43e3d30b51f3caa6a36d315ccbdcb3117a2d32874e8979
[INFO] running `Command { std: "docker" "start" "-a" "37a7df5d6c545dda3a43e3d30b51f3caa6a36d315ccbdcb3117a2d32874e8979", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]  Documenting flate2 v1.0.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.47s
[INFO] running `Command { std: "docker" "inspect" "37a7df5d6c545dda3a43e3d30b51f3caa6a36d315ccbdcb3117a2d32874e8979", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37a7df5d6c545dda3a43e3d30b51f3caa6a36d315ccbdcb3117a2d32874e8979", kill_on_drop: false }`
[INFO] [stdout] 37a7df5d6c545dda3a43e3d30b51f3caa6a36d315ccbdcb3117a2d32874e8979
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] 51b1bd0ee7dc8c0362d1c5c9a4badc8fd27f3941b1402b12c0a21fc963941300
[INFO] running `Command { std: "docker" "start" "-a" "51b1bd0ee7dc8c0362d1c5c9a4badc8fd27f3941b1402b12c0a21fc963941300", kill_on_drop: false }`
[INFO] [stderr]    Compiling crc32fast v1.3.2
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking miniz_oxide v0.5.1
[INFO] [stderr]  Documenting flate2 v1.0.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "51b1bd0ee7dc8c0362d1c5c9a4badc8fd27f3941b1402b12c0a21fc963941300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b1bd0ee7dc8c0362d1c5c9a4badc8fd27f3941b1402b12c0a21fc963941300", kill_on_drop: false }`
[INFO] [stdout] 51b1bd0ee7dc8c0362d1c5c9a4badc8fd27f3941b1402b12c0a21fc963941300