[INFO] fetching crate as_derive_utils 0.8.3...
[INFO] documenting as_derive_utils-0.8.3 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate as_derive_utils 0.8.3 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate as_derive_utils 0.8.3 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate as_derive_utils 0.8.3
[INFO] finished tweaking crates.io crate as_derive_utils 0.8.3
[INFO] tweaked toml for crates.io crate as_derive_utils 0.8.3 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "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] 22848ce71b17422482f48d0d0b9aaf3300d2efbd479c1f45014abdbfc978e3a9
[INFO] running `Command { std: "docker" "start" "-a" "22848ce71b17422482f48d0d0b9aaf3300d2efbd479c1f45014abdbfc978e3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22848ce71b17422482f48d0d0b9aaf3300d2efbd479c1f45014abdbfc978e3a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22848ce71b17422482f48d0d0b9aaf3300d2efbd479c1f45014abdbfc978e3a9", kill_on_drop: false }`
[INFO] [stdout] 22848ce71b17422482f48d0d0b9aaf3300d2efbd479c1f45014abdbfc978e3a9
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a6e39d7d210a4a797053315a514dc7ba1aae419aafef4cbfefa3c1f3fba3feb
[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" "6a6e39d7d210a4a797053315a514dc7ba1aae419aafef4cbfefa3c1f3fba3feb", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling core_extensions v0.1.17
[INFO] [stderr]  Documenting as_derive_utils v0.8.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.90s
[INFO] running `Command { std: "docker" "inspect" "6a6e39d7d210a4a797053315a514dc7ba1aae419aafef4cbfefa3c1f3fba3feb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a6e39d7d210a4a797053315a514dc7ba1aae419aafef4cbfefa3c1f3fba3feb", kill_on_drop: false }`
[INFO] [stdout] 6a6e39d7d210a4a797053315a514dc7ba1aae419aafef4cbfefa3c1f3fba3feb