[INFO] fetching crate classfile-parser 0.3.5...
[INFO] documenting classfile-parser-0.3.5 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate classfile-parser 0.3.5 into /workspace/builds/worker-56/source
[INFO] validating manifest of crates.io crate classfile-parser 0.3.5 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 classfile-parser 0.3.5
[INFO] finished tweaking crates.io crate classfile-parser 0.3.5
[INFO] tweaked toml for crates.io crate classfile-parser 0.3.5 written to /workspace/builds/worker-56/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] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[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 cesu8 v1.1.0
[INFO] [stderr]   Downloaded nom v4.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 888977cfb9755232611cd981f245444849ef85514dd6dc193b55bfeefaa0f035
[INFO] running `Command { std: "docker" "start" "-a" "888977cfb9755232611cd981f245444849ef85514dd6dc193b55bfeefaa0f035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "888977cfb9755232611cd981f245444849ef85514dd6dc193b55bfeefaa0f035", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "888977cfb9755232611cd981f245444849ef85514dd6dc193b55bfeefaa0f035", kill_on_drop: false }`
[INFO] [stdout] 888977cfb9755232611cd981f245444849ef85514dd6dc193b55bfeefaa0f035
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 258df79fd3a9d5aa413426e2ed0acb018f97cfb3635d4b533b370953a79a2da5
[INFO] running `Command { std: "docker" "start" "-a" "258df79fd3a9d5aa413426e2ed0acb018f97cfb3635d4b533b370953a79a2da5", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]  Documenting classfile-parser v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.72s
[INFO] running `Command { std: "docker" "inspect" "258df79fd3a9d5aa413426e2ed0acb018f97cfb3635d4b533b370953a79a2da5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "258df79fd3a9d5aa413426e2ed0acb018f97cfb3635d4b533b370953a79a2da5", kill_on_drop: false }`
[INFO] [stdout] 258df79fd3a9d5aa413426e2ed0acb018f97cfb3635d4b533b370953a79a2da5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-56/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] 797d66ae127021c668d7d8a10a9794ad0ee88846316e26aea1dae13abd8f674d
[INFO] running `Command { std: "docker" "start" "-a" "797d66ae127021c668d7d8a10a9794ad0ee88846316e26aea1dae13abd8f674d", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr] `license` should be used if the package license can be expressed with a standard SPDX expression.
[INFO] [stderr] `license-file` should be used if the package uses a non-standard license.
[INFO] [stderr] See https://doc.rust-lang.org/cargo/reference/manifest.html#the-license-and-license-file-fields for more information.
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]  Documenting classfile-parser v0.3.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.58s
[INFO] running `Command { std: "docker" "inspect" "797d66ae127021c668d7d8a10a9794ad0ee88846316e26aea1dae13abd8f674d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "797d66ae127021c668d7d8a10a9794ad0ee88846316e26aea1dae13abd8f674d", kill_on_drop: false }`
[INFO] [stdout] 797d66ae127021c668d7d8a10a9794ad0ee88846316e26aea1dae13abd8f674d