[INFO] fetching crate battery 0.7.8...
[INFO] documenting battery-0.7.8 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate battery 0.7.8 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate battery 0.7.8 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 battery 0.7.8
[INFO] finished tweaking crates.io crate battery 0.7.8
[INFO] tweaked toml for crates.io crate battery 0.7.8 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate battery 0.7.8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 4c784772b55c31ac11bb5926e3ad2a3f724864a25575c09d069769a9096a53d0
[INFO] running `Command { std: "docker" "start" "-a" "4c784772b55c31ac11bb5926e3ad2a3f724864a25575c09d069769a9096a53d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4c784772b55c31ac11bb5926e3ad2a3f724864a25575c09d069769a9096a53d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c784772b55c31ac11bb5926e3ad2a3f724864a25575c09d069769a9096a53d0", kill_on_drop: false }`
[INFO] [stdout] 4c784772b55c31ac11bb5926e3ad2a3f724864a25575c09d069769a9096a53d0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 542af4eb0d1066faaab37ef421281cc72ff5f7de91e3748e7f105ed7a31e7bc0
[INFO] running `Command { std: "docker" "start" "-a" "542af4eb0d1066faaab37ef421281cc72ff5f7de91e3748e7f105ed7a31e7bc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling battery v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]  Documenting battery v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.34s
[INFO] running `Command { std: "docker" "inspect" "542af4eb0d1066faaab37ef421281cc72ff5f7de91e3748e7f105ed7a31e7bc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "542af4eb0d1066faaab37ef421281cc72ff5f7de91e3748e7f105ed7a31e7bc0", kill_on_drop: false }`
[INFO] [stdout] 542af4eb0d1066faaab37ef421281cc72ff5f7de91e3748e7f105ed7a31e7bc0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6696914828dcc7797d99f0074827e08e9272e5282eed9dd6fd68d5d5e09bdb7e
[INFO] running `Command { std: "docker" "start" "-a" "6696914828dcc7797d99f0074827e08e9272e5282eed9dd6fd68d5d5e09bdb7e", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling battery v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]  Documenting battery v0.7.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.90s
[INFO] running `Command { std: "docker" "inspect" "6696914828dcc7797d99f0074827e08e9272e5282eed9dd6fd68d5d5e09bdb7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6696914828dcc7797d99f0074827e08e9272e5282eed9dd6fd68d5d5e09bdb7e", kill_on_drop: false }`
[INFO] [stdout] 6696914828dcc7797d99f0074827e08e9272e5282eed9dd6fd68d5d5e09bdb7e