[INFO] fetching crate chromosome 0.0.7...
[INFO] documenting chromosome-0.0.7 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate chromosome 0.0.7 into /workspace/builds/worker-59/source
[INFO] validating manifest of crates.io crate chromosome 0.0.7 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 chromosome 0.0.7
[INFO] finished tweaking crates.io crate chromosome 0.0.7
[INFO] tweaked toml for crates.io crate chromosome 0.0.7 written to /workspace/builds/worker-59/source/Cargo.toml
[INFO] crate crates.io crate chromosome 0.0.7 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 42aa11b1839e7ed6e64591ae8d6e7878ea86ebfe9de37d6e952afb0db21c9b02
[INFO] running `Command { std: "docker" "start" "-a" "42aa11b1839e7ed6e64591ae8d6e7878ea86ebfe9de37d6e952afb0db21c9b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42aa11b1839e7ed6e64591ae8d6e7878ea86ebfe9de37d6e952afb0db21c9b02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42aa11b1839e7ed6e64591ae8d6e7878ea86ebfe9de37d6e952afb0db21c9b02", kill_on_drop: false }`
[INFO] [stdout] 42aa11b1839e7ed6e64591ae8d6e7878ea86ebfe9de37d6e952afb0db21c9b02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] e76ba204b84bfe9b0f8a0ffb9aa0d5d967b1d761f5de2d88019a345d2f2c9b23
[INFO] running `Command { std: "docker" "start" "-a" "e76ba204b84bfe9b0f8a0ffb9aa0d5d967b1d761f5de2d88019a345d2f2c9b23", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting chromosome v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.58s
[INFO] running `Command { std: "docker" "inspect" "e76ba204b84bfe9b0f8a0ffb9aa0d5d967b1d761f5de2d88019a345d2f2c9b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e76ba204b84bfe9b0f8a0ffb9aa0d5d967b1d761f5de2d88019a345d2f2c9b23", kill_on_drop: false }`
[INFO] [stdout] e76ba204b84bfe9b0f8a0ffb9aa0d5d967b1d761f5de2d88019a345d2f2c9b23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-59/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] 263ba354c9811fe0c367043a48221db6552c19a2ee17d1104d39b67d81c66230
[INFO] running `Command { std: "docker" "start" "-a" "263ba354c9811fe0c367043a48221db6552c19a2ee17d1104d39b67d81c66230", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking getrandom v0.2.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]  Documenting chromosome v0.0.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `Command { std: "docker" "inspect" "263ba354c9811fe0c367043a48221db6552c19a2ee17d1104d39b67d81c66230", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "263ba354c9811fe0c367043a48221db6552c19a2ee17d1104d39b67d81c66230", kill_on_drop: false }`
[INFO] [stdout] 263ba354c9811fe0c367043a48221db6552c19a2ee17d1104d39b67d81c66230