[INFO] fetching crate byte-unit 4.0.14...
[INFO] documenting byte-unit-4.0.14 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate byte-unit 4.0.14 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate byte-unit 4.0.14 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate byte-unit 4.0.14
[INFO] finished tweaking crates.io crate byte-unit 4.0.14
[INFO] tweaked toml for crates.io crate byte-unit 4.0.14 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd80d95f3ad1c6c9170bc92ed7869c1c23523c64e0af8ecb128a0739736302d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ffd80d95f3ad1c6c9170bc92ed7869c1c23523c64e0af8ecb128a0739736302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd80d95f3ad1c6c9170bc92ed7869c1c23523c64e0af8ecb128a0739736302d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd80d95f3ad1c6c9170bc92ed7869c1c23523c64e0af8ecb128a0739736302d", kill_on_drop: false }`
[INFO] [stdout] ffd80d95f3ad1c6c9170bc92ed7869c1c23523c64e0af8ecb128a0739736302d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "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] dfc6912a09e0f50dad0ab2bc013a59db73b6f9fe21ac82a89d4b1c76b370cf17
[INFO] running `Command { std: "docker" "start" "-a" "dfc6912a09e0f50dad0ab2bc013a59db73b6f9fe21ac82a89d4b1c76b370cf17", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]  Documenting byte-unit v4.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.40s
[INFO] running `Command { std: "docker" "inspect" "dfc6912a09e0f50dad0ab2bc013a59db73b6f9fe21ac82a89d4b1c76b370cf17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc6912a09e0f50dad0ab2bc013a59db73b6f9fe21ac82a89d4b1c76b370cf17", kill_on_drop: false }`
[INFO] [stdout] dfc6912a09e0f50dad0ab2bc013a59db73b6f9fe21ac82a89d4b1c76b370cf17
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+beta-2022-05-20" "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] 128382b8ad89ecc21db7ed45d1cdbe8260ce12f1de89b815c100e9e763364e38
[INFO] running `Command { std: "docker" "start" "-a" "128382b8ad89ecc21db7ed45d1cdbe8260ce12f1de89b815c100e9e763364e38", kill_on_drop: false }`
[INFO] [stderr]     Checking utf8-width v0.1.6
[INFO] [stderr]  Documenting byte-unit v4.0.14 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.91s
[INFO] running `Command { std: "docker" "inspect" "128382b8ad89ecc21db7ed45d1cdbe8260ce12f1de89b815c100e9e763364e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "128382b8ad89ecc21db7ed45d1cdbe8260ce12f1de89b815c100e9e763364e38", kill_on_drop: false }`
[INFO] [stdout] 128382b8ad89ecc21db7ed45d1cdbe8260ce12f1de89b815c100e9e763364e38