[INFO] fetching crate slog-atomic 3.0.0...
[INFO] documenting slog-atomic-3.0.0 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate slog-atomic 3.0.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate slog-atomic 3.0.0 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate slog-atomic 3.0.0
[INFO] finished tweaking crates.io crate slog-atomic 3.0.0
[INFO] tweaked toml for crates.io crate slog-atomic 3.0.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate slog-atomic 3.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded arc-swap v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f975a46be49be59020720f977e1a14b981ea83dbc83ed7275f1bd962dc74b443
[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" "f975a46be49be59020720f977e1a14b981ea83dbc83ed7275f1bd962dc74b443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f975a46be49be59020720f977e1a14b981ea83dbc83ed7275f1bd962dc74b443", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f975a46be49be59020720f977e1a14b981ea83dbc83ed7275f1bd962dc74b443", kill_on_drop: false }`
[INFO] [stdout] f975a46be49be59020720f977e1a14b981ea83dbc83ed7275f1bd962dc74b443
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15f93524655864d49e2965ab15f05b719f25a65a09acb315b7563bfae61b4193
[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" "15f93524655864d49e2965ab15f05b719f25a65a09acb315b7563bfae61b4193", kill_on_drop: false }`
[INFO] [stderr]     Checking arc-swap v0.4.0
[INFO] [stderr]  Documenting slog-atomic v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "15f93524655864d49e2965ab15f05b719f25a65a09acb315b7563bfae61b4193", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15f93524655864d49e2965ab15f05b719f25a65a09acb315b7563bfae61b4193", kill_on_drop: false }`
[INFO] [stdout] 15f93524655864d49e2965ab15f05b719f25a65a09acb315b7563bfae61b4193
