[INFO] fetching crate guess_host_triple 0.1.3...
[INFO] documenting guess_host_triple-0.1.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate guess_host_triple 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate guess_host_triple 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 guess_host_triple 0.1.3
[INFO] finished tweaking crates.io crate guess_host_triple 0.1.3
[INFO] tweaked toml for crates.io crate guess_host_triple 0.1.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate guess_host_triple 0.1.3 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 version-sync v0.9.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 3bd52272bfa4dbdfeb2bf17106184453b1db5e4004aa20edde673a547991cbc6
[INFO] running `Command { std: "docker" "start" "-a" "3bd52272bfa4dbdfeb2bf17106184453b1db5e4004aa20edde673a547991cbc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3bd52272bfa4dbdfeb2bf17106184453b1db5e4004aa20edde673a547991cbc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bd52272bfa4dbdfeb2bf17106184453b1db5e4004aa20edde673a547991cbc6", kill_on_drop: false }`
[INFO] [stdout] 3bd52272bfa4dbdfeb2bf17106184453b1db5e4004aa20edde673a547991cbc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 47ec28eea660d7224ae97ccfacf7aadbfbeeae7d95e36b037e1afad2f8b7e45a
[INFO] running `Command { std: "docker" "start" "-a" "47ec28eea660d7224ae97ccfacf7aadbfbeeae7d95e36b037e1afad2f8b7e45a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]  Documenting guess_host_triple v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.25s
[INFO] running `Command { std: "docker" "inspect" "47ec28eea660d7224ae97ccfacf7aadbfbeeae7d95e36b037e1afad2f8b7e45a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "47ec28eea660d7224ae97ccfacf7aadbfbeeae7d95e36b037e1afad2f8b7e45a", kill_on_drop: false }`
[INFO] [stdout] 47ec28eea660d7224ae97ccfacf7aadbfbeeae7d95e36b037e1afad2f8b7e45a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 7062f1189ab97d05a4e9bbf65f4508c51b1f72398d709c76b87213181ccbaa4d
[INFO] running `Command { std: "docker" "start" "-a" "7062f1189ab97d05a4e9bbf65f4508c51b1f72398d709c76b87213181ccbaa4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking errno v0.2.7
[INFO] [stderr]  Documenting guess_host_triple v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.83s
[INFO] running `Command { std: "docker" "inspect" "7062f1189ab97d05a4e9bbf65f4508c51b1f72398d709c76b87213181ccbaa4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7062f1189ab97d05a4e9bbf65f4508c51b1f72398d709c76b87213181ccbaa4d", kill_on_drop: false }`
[INFO] [stdout] 7062f1189ab97d05a4e9bbf65f4508c51b1f72398d709c76b87213181ccbaa4d