[INFO] fetching crate chain_linq 0.1.3...
[INFO] documenting chain_linq-0.1.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate chain_linq 0.1.3 into /workspace/builds/worker-102/source
[INFO] validating manifest of crates.io crate chain_linq 0.1.3 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 chain_linq 0.1.3
[INFO] finished tweaking crates.io crate chain_linq 0.1.3
[INFO] tweaked toml for crates.io crate chain_linq 0.1.3 written to /workspace/builds/worker-102/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded big_mac v0.1.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] a6b374b6d06dbd49ee5581d9a75ab84b7a5b036428e7ddd1c35abc3488481ae0
[INFO] running `Command { std: "docker" "start" "-a" "a6b374b6d06dbd49ee5581d9a75ab84b7a5b036428e7ddd1c35abc3488481ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a6b374b6d06dbd49ee5581d9a75ab84b7a5b036428e7ddd1c35abc3488481ae0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a6b374b6d06dbd49ee5581d9a75ab84b7a5b036428e7ddd1c35abc3488481ae0", kill_on_drop: false }`
[INFO] [stdout] a6b374b6d06dbd49ee5581d9a75ab84b7a5b036428e7ddd1c35abc3488481ae0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] f472d6a92af295bdbe7a3fdca8fe920790732a47b2bad0f94517886054a6a196
[INFO] running `Command { std: "docker" "start" "-a" "f472d6a92af295bdbe7a3fdca8fe920790732a47b2bad0f94517886054a6a196", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking big_mac v0.1.7
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]  Documenting chain_linq v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "f472d6a92af295bdbe7a3fdca8fe920790732a47b2bad0f94517886054a6a196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f472d6a92af295bdbe7a3fdca8fe920790732a47b2bad0f94517886054a6a196", kill_on_drop: false }`
[INFO] [stdout] f472d6a92af295bdbe7a3fdca8fe920790732a47b2bad0f94517886054a6a196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-102/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] 71fa7a4241cc1c8a220531a4a3b5a447d4d5e3f6d8746935dffbff6175712193
[INFO] running `Command { std: "docker" "start" "-a" "71fa7a4241cc1c8a220531a4a3b5a447d4d5e3f6d8746935dffbff6175712193", kill_on_drop: false }`
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking big_mac v0.1.7
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]  Documenting chain_linq v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "71fa7a4241cc1c8a220531a4a3b5a447d4d5e3f6d8746935dffbff6175712193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71fa7a4241cc1c8a220531a4a3b5a447d4d5e3f6d8746935dffbff6175712193", kill_on_drop: false }`
[INFO] [stdout] 71fa7a4241cc1c8a220531a4a3b5a447d4d5e3f6d8746935dffbff6175712193