[INFO] fetching crate docker_extract 0.2.1...
[INFO] documenting docker_extract-0.2.1 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate docker_extract 0.2.1 into /workspace/builds/worker-37/source
[INFO] validating manifest of crates.io crate docker_extract 0.2.1 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 docker_extract 0.2.1
[INFO] finished tweaking crates.io crate docker_extract 0.2.1
[INFO] tweaked toml for crates.io crate docker_extract 0.2.1 written to /workspace/builds/worker-37/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] a921551fd79a6a560297d287d5661a05826885ba69e83a6985353989af48c22e
[INFO] running `Command { std: "docker" "start" "-a" "a921551fd79a6a560297d287d5661a05826885ba69e83a6985353989af48c22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a921551fd79a6a560297d287d5661a05826885ba69e83a6985353989af48c22e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a921551fd79a6a560297d287d5661a05826885ba69e83a6985353989af48c22e", kill_on_drop: false }`
[INFO] [stdout] a921551fd79a6a560297d287d5661a05826885ba69e83a6985353989af48c22e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] 015df20e9f7deff7965bab3a2d3682bbd5fe7e4ce920689338e21440cc304391
[INFO] running `Command { std: "docker" "start" "-a" "015df20e9f7deff7965bab3a2d3682bbd5fe7e4ce920689338e21440cc304391", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]  Documenting docker_extract v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.38s
[INFO] running `Command { std: "docker" "inspect" "015df20e9f7deff7965bab3a2d3682bbd5fe7e4ce920689338e21440cc304391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "015df20e9f7deff7965bab3a2d3682bbd5fe7e4ce920689338e21440cc304391", kill_on_drop: false }`
[INFO] [stdout] 015df20e9f7deff7965bab3a2d3682bbd5fe7e4ce920689338e21440cc304391
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-37/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] c33752d42edb9aa070f23f0c4c6f7cffa8323cfcaef1582775f9dc21703fbb3f
[INFO] running `Command { std: "docker" "start" "-a" "c33752d42edb9aa070f23f0c4c6f7cffa8323cfcaef1582775f9dc21703fbb3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking xattr v0.2.3
[INFO] [stderr]     Checking filetime v0.2.16
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking tar v0.4.38
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]  Documenting docker_extract v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.67s
[INFO] running `Command { std: "docker" "inspect" "c33752d42edb9aa070f23f0c4c6f7cffa8323cfcaef1582775f9dc21703fbb3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33752d42edb9aa070f23f0c4c6f7cffa8323cfcaef1582775f9dc21703fbb3f", kill_on_drop: false }`
[INFO] [stdout] c33752d42edb9aa070f23f0c4c6f7cffa8323cfcaef1582775f9dc21703fbb3f