[INFO] fetching crate serde-value-flatten 0.1.0...
[INFO] documenting serde-value-flatten-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate serde-value-flatten 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate serde-value-flatten 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 serde-value-flatten 0.1.0
[INFO] finished tweaking crates.io crate serde-value-flatten 0.1.0
[INFO] tweaked toml for crates.io crate serde-value-flatten 0.1.0 written to /workspace/builds/worker-9/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1882e5feb576cea8d98f57254a5f5e680a9d62f9e29f0cef579773a60ba4d534
[INFO] running `Command { std: "docker" "start" "-a" "1882e5feb576cea8d98f57254a5f5e680a9d62f9e29f0cef579773a60ba4d534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1882e5feb576cea8d98f57254a5f5e680a9d62f9e29f0cef579773a60ba4d534", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1882e5feb576cea8d98f57254a5f5e680a9d62f9e29f0cef579773a60ba4d534", kill_on_drop: false }`
[INFO] [stdout] 1882e5feb576cea8d98f57254a5f5e680a9d62f9e29f0cef579773a60ba4d534
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 69284dd523fffb1563f76c4b3c6b847be5ff6577ade4bde93ef1603e43ad1575
[INFO] running `Command { std: "docker" "start" "-a" "69284dd523fffb1563f76c4b3c6b847be5ff6577ade4bde93ef1603e43ad1575", 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 autocfg v1.1.0
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]  Documenting serde-value-flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.04s
[INFO] running `Command { std: "docker" "inspect" "69284dd523fffb1563f76c4b3c6b847be5ff6577ade4bde93ef1603e43ad1575", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69284dd523fffb1563f76c4b3c6b847be5ff6577ade4bde93ef1603e43ad1575", kill_on_drop: false }`
[INFO] [stdout] 69284dd523fffb1563f76c4b3c6b847be5ff6577ade4bde93ef1603e43ad1575
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] acd938f753f29ce60c075256b2bf0577cd30855b891e6284d2307004645472c7
[INFO] running `Command { std: "docker" "start" "-a" "acd938f753f29ce60c075256b2bf0577cd30855b891e6284d2307004645472c7", 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 autocfg v1.1.0
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking serde-value v0.6.0
[INFO] [stderr]  Documenting serde-value-flatten v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.10s
[INFO] running `Command { std: "docker" "inspect" "acd938f753f29ce60c075256b2bf0577cd30855b891e6284d2307004645472c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acd938f753f29ce60c075256b2bf0577cd30855b891e6284d2307004645472c7", kill_on_drop: false }`
[INFO] [stdout] acd938f753f29ce60c075256b2bf0577cd30855b891e6284d2307004645472c7