[INFO] fetching crate crate_demo 0.1.0...
[INFO] documenting crate_demo-0.1.0 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate crate_demo 0.1.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate crate_demo 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 crate_demo 0.1.0
[INFO] finished tweaking crates.io crate crate_demo 0.1.0
[INFO] tweaked toml for crates.io crate crate_demo 0.1.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate crates.io crate crate_demo 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] ddee2fdfd39e1cc8a4e1d66f076b6fbe7c7e3ef29feecb88b89160529a4e9294
[INFO] running `Command { std: "docker" "start" "-a" "ddee2fdfd39e1cc8a4e1d66f076b6fbe7c7e3ef29feecb88b89160529a4e9294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddee2fdfd39e1cc8a4e1d66f076b6fbe7c7e3ef29feecb88b89160529a4e9294", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddee2fdfd39e1cc8a4e1d66f076b6fbe7c7e3ef29feecb88b89160529a4e9294", kill_on_drop: false }`
[INFO] [stdout] ddee2fdfd39e1cc8a4e1d66f076b6fbe7c7e3ef29feecb88b89160529a4e9294
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] bd395ec95c0c6e1989cb4753304aa66891a5fa387d37c96f778a4f8d77d6d3f8
[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" "bd395ec95c0c6e1989cb4753304aa66891a5fa387d37c96f778a4f8d77d6d3f8", kill_on_drop: false }`
[INFO] [stderr]  Documenting crate_demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.05s
[INFO] running `Command { std: "docker" "inspect" "bd395ec95c0c6e1989cb4753304aa66891a5fa387d37c96f778a4f8d77d6d3f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd395ec95c0c6e1989cb4753304aa66891a5fa387d37c96f778a4f8d77d6d3f8", kill_on_drop: false }`
[INFO] [stdout] bd395ec95c0c6e1989cb4753304aa66891a5fa387d37c96f778a4f8d77d6d3f8