[INFO] fetching crate xz 0.1.0...
[INFO] documenting xz-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate xz 0.1.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate xz 0.1.0 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 xz 0.1.0
[INFO] finished tweaking crates.io crate xz 0.1.0
[INFO] tweaked toml for crates.io crate xz 0.1.0 written to /workspace/builds/worker-0/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] 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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 64980c69752d135a44e7f1bbe52a0c30cc0e0a05d4930128b0712f6c9bb9b3cd
[INFO] running `Command { std: "docker" "start" "-a" "64980c69752d135a44e7f1bbe52a0c30cc0e0a05d4930128b0712f6c9bb9b3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "64980c69752d135a44e7f1bbe52a0c30cc0e0a05d4930128b0712f6c9bb9b3cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64980c69752d135a44e7f1bbe52a0c30cc0e0a05d4930128b0712f6c9bb9b3cd", kill_on_drop: false }`
[INFO] [stdout] 64980c69752d135a44e7f1bbe52a0c30cc0e0a05d4930128b0712f6c9bb9b3cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] fa1ff70dd88b58498c8ad79ba8e45f5b5e0cd35e43c5fe1de991b814d27995fc
[INFO] running `Command { std: "docker" "start" "-a" "fa1ff70dd88b58498c8ad79ba8e45f5b5e0cd35e43c5fe1de991b814d27995fc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]  Documenting xz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
[INFO] running `Command { std: "docker" "inspect" "fa1ff70dd88b58498c8ad79ba8e45f5b5e0cd35e43c5fe1de991b814d27995fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa1ff70dd88b58498c8ad79ba8e45f5b5e0cd35e43c5fe1de991b814d27995fc", kill_on_drop: false }`
[INFO] [stdout] fa1ff70dd88b58498c8ad79ba8e45f5b5e0cd35e43c5fe1de991b814d27995fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 84982e279b0400049a48b4fc51fffba9bc7f9e8672006d6bfe10d77daa6695dc
[INFO] running `Command { std: "docker" "start" "-a" "84982e279b0400049a48b4fc51fffba9bc7f9e8672006d6bfe10d77daa6695dc", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling pkg-config v0.3.25
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]  Documenting xz v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.62s
[INFO] running `Command { std: "docker" "inspect" "84982e279b0400049a48b4fc51fffba9bc7f9e8672006d6bfe10d77daa6695dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84982e279b0400049a48b4fc51fffba9bc7f9e8672006d6bfe10d77daa6695dc", kill_on_drop: false }`
[INFO] [stdout] 84982e279b0400049a48b4fc51fffba9bc7f9e8672006d6bfe10d77daa6695dc