[INFO] fetching crate directories 4.0.1...
[INFO] documenting directories-4.0.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate directories 4.0.1 into /workspace/builds/worker-78/source
[INFO] validating manifest of crates.io crate directories 4.0.1 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 directories 4.0.1
[INFO] finished tweaking crates.io crate directories 4.0.1
[INFO] tweaked toml for crates.io crate directories 4.0.1 written to /workspace/builds/worker-78/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] [stderr]     Blocking waiting for file lock on package cache
[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-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 35a930107962f4f8f020336144c895a99c1a214d87e2a318a4d1ce13c4229c85
[INFO] running `Command { std: "docker" "start" "-a" "35a930107962f4f8f020336144c895a99c1a214d87e2a318a4d1ce13c4229c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "35a930107962f4f8f020336144c895a99c1a214d87e2a318a4d1ce13c4229c85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35a930107962f4f8f020336144c895a99c1a214d87e2a318a4d1ce13c4229c85", kill_on_drop: false }`
[INFO] [stdout] 35a930107962f4f8f020336144c895a99c1a214d87e2a318a4d1ce13c4229c85
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] 036e7d0b0394bb5ba4843f87b5fdef0473106353ce0f012f4670e4c7b644b202
[INFO] running `Command { std: "docker" "start" "-a" "036e7d0b0394bb5ba4843f87b5fdef0473106353ce0f012f4670e4c7b644b202", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]  Documenting directories v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.69s
[INFO] running `Command { std: "docker" "inspect" "036e7d0b0394bb5ba4843f87b5fdef0473106353ce0f012f4670e4c7b644b202", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "036e7d0b0394bb5ba4843f87b5fdef0473106353ce0f012f4670e4c7b644b202", kill_on_drop: false }`
[INFO] [stdout] 036e7d0b0394bb5ba4843f87b5fdef0473106353ce0f012f4670e4c7b644b202
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-78/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] ae3339e4e68339da8355525d176f756a5fe74912819622da560b43f74fb20ff7
[INFO] running `Command { std: "docker" "start" "-a" "ae3339e4e68339da8355525d176f756a5fe74912819622da560b43f74fb20ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]     Checking dirs-sys v0.3.7
[INFO] [stderr]  Documenting directories v4.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `Command { std: "docker" "inspect" "ae3339e4e68339da8355525d176f756a5fe74912819622da560b43f74fb20ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae3339e4e68339da8355525d176f756a5fe74912819622da560b43f74fb20ff7", kill_on_drop: false }`
[INFO] [stdout] ae3339e4e68339da8355525d176f756a5fe74912819622da560b43f74fb20ff7