[INFO] fetching crate generational-indextree 1.1.4...
[INFO] documenting generational-indextree-1.1.4 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate generational-indextree 1.1.4 into /workspace/builds/worker-52/source
[INFO] validating manifest of crates.io crate generational-indextree 1.1.4 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 generational-indextree 1.1.4
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate generational-indextree 1.1.4
[INFO] tweaked toml for crates.io crate generational-indextree 1.1.4 written to /workspace/builds/worker-52/source/Cargo.toml
[INFO] crate crates.io crate generational-indextree 1.1.4 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 8c14bd288f33d8a8258f60c0ff0ebbc4fab9687cd4e34a426538118d0e6b0a94
[INFO] running `Command { std: "docker" "start" "-a" "8c14bd288f33d8a8258f60c0ff0ebbc4fab9687cd4e34a426538118d0e6b0a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8c14bd288f33d8a8258f60c0ff0ebbc4fab9687cd4e34a426538118d0e6b0a94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8c14bd288f33d8a8258f60c0ff0ebbc4fab9687cd4e34a426538118d0e6b0a94", kill_on_drop: false }`
[INFO] [stdout] 8c14bd288f33d8a8258f60c0ff0ebbc4fab9687cd4e34a426538118d0e6b0a94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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] 0b2b2639f612d19b7429126818ee83330b1b5dfab2657ff9fb361ff9aefcf47d
[INFO] running `Command { std: "docker" "start" "-a" "0b2b2639f612d19b7429126818ee83330b1b5dfab2657ff9fb361ff9aefcf47d", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]  Documenting generational-indextree v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "0b2b2639f612d19b7429126818ee83330b1b5dfab2657ff9fb361ff9aefcf47d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b2b2639f612d19b7429126818ee83330b1b5dfab2657ff9fb361ff9aefcf47d", kill_on_drop: false }`
[INFO] [stdout] 0b2b2639f612d19b7429126818ee83330b1b5dfab2657ff9fb361ff9aefcf47d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-52/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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] c4320a81f4a8a4edf5898686cd39fba592ef6bb114f3a5b9961fdc241cb8f050
[INFO] running `Command { std: "docker" "start" "-a" "c4320a81f4a8a4edf5898686cd39fba592ef6bb114f3a5b9961fdc241cb8f050", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking generational-arena v0.2.8
[INFO] [stderr]  Documenting generational-indextree v1.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.82s
[INFO] running `Command { std: "docker" "inspect" "c4320a81f4a8a4edf5898686cd39fba592ef6bb114f3a5b9961fdc241cb8f050", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4320a81f4a8a4edf5898686cd39fba592ef6bb114f3a5b9961fdc241cb8f050", kill_on_drop: false }`
[INFO] [stdout] c4320a81f4a8a4edf5898686cd39fba592ef6bb114f3a5b9961fdc241cb8f050