[INFO] fetching crate bq40z50 0.1.4...
[INFO] documenting bq40z50-0.1.4 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate bq40z50 0.1.4 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate bq40z50 0.1.4 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 bq40z50 0.1.4
[INFO] finished tweaking crates.io crate bq40z50 0.1.4
[INFO] tweaked toml for crates.io crate bq40z50 0.1.4 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate crates.io crate bq40z50 0.1.4 already has a lockfile, it will not be regenerated
[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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c4012cd2cfa4cdc1ef89f2de2a5176ad5c5a74cc701c15e4b546ed279035f936
[INFO] running `Command { std: "docker" "start" "-a" "c4012cd2cfa4cdc1ef89f2de2a5176ad5c5a74cc701c15e4b546ed279035f936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4012cd2cfa4cdc1ef89f2de2a5176ad5c5a74cc701c15e4b546ed279035f936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4012cd2cfa4cdc1ef89f2de2a5176ad5c5a74cc701c15e4b546ed279035f936", kill_on_drop: false }`
[INFO] [stdout] c4012cd2cfa4cdc1ef89f2de2a5176ad5c5a74cc701c15e4b546ed279035f936
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 728a4ec182c76b8f3ccd92996f1727283d71b6d318c3dc6d0d1d8ce00765ff39
[INFO] running `Command { std: "docker" "start" "-a" "728a4ec182c76b8f3ccd92996f1727283d71b6d318c3dc6d0d1d8ce00765ff39", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting bq40z50 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.38s
[INFO] running `Command { std: "docker" "inspect" "728a4ec182c76b8f3ccd92996f1727283d71b6d318c3dc6d0d1d8ce00765ff39", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "728a4ec182c76b8f3ccd92996f1727283d71b6d318c3dc6d0d1d8ce00765ff39", kill_on_drop: false }`
[INFO] [stdout] 728a4ec182c76b8f3ccd92996f1727283d71b6d318c3dc6d0d1d8ce00765ff39
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+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] 088961bbbd5151836e95a11a762f93a6aebbb44d9062687861f63e0fd8a378e4
[INFO] running `Command { std: "docker" "start" "-a" "088961bbbd5151836e95a11a762f93a6aebbb44d9062687861f63e0fd8a378e4", kill_on_drop: false }`
[INFO] [stderr]     Checking nb v1.0.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking nb v0.1.3
[INFO] [stderr]     Checking embedded-hal v0.2.4
[INFO] [stderr]  Documenting bq40z50 v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.54s
[INFO] running `Command { std: "docker" "inspect" "088961bbbd5151836e95a11a762f93a6aebbb44d9062687861f63e0fd8a378e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "088961bbbd5151836e95a11a762f93a6aebbb44d9062687861f63e0fd8a378e4", kill_on_drop: false }`
[INFO] [stdout] 088961bbbd5151836e95a11a762f93a6aebbb44d9062687861f63e0fd8a378e4