[INFO] fetching crate kak-subvert 1.0.1...
[INFO] documenting kak-subvert-1.0.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate kak-subvert 1.0.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate kak-subvert 1.0.1 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 kak-subvert 1.0.1
[INFO] finished tweaking crates.io crate kak-subvert 1.0.1
[INFO] tweaked toml for crates.io crate kak-subvert 1.0.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate kak-subvert 1.0.1 already has a lockfile, it will not be regenerated
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stdout] ac3fd43d66fe87a9c6c7a519fbbdf53380cf5caf8f0fcfede9fdde016a8d4006
[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" "ac3fd43d66fe87a9c6c7a519fbbdf53380cf5caf8f0fcfede9fdde016a8d4006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac3fd43d66fe87a9c6c7a519fbbdf53380cf5caf8f0fcfede9fdde016a8d4006", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac3fd43d66fe87a9c6c7a519fbbdf53380cf5caf8f0fcfede9fdde016a8d4006", kill_on_drop: false }`
[INFO] [stdout] ac3fd43d66fe87a9c6c7a519fbbdf53380cf5caf8f0fcfede9fdde016a8d4006
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7676d92b95b68e257946953c2b177d2505d54cca911e3ed99c1ad5d1337c7ae3
[INFO] running `Command { std: "docker" "start" "-a" "7676d92b95b68e257946953c2b177d2505d54cca911e3ed99c1ad5d1337c7ae3", kill_on_drop: false }`
[INFO] [stderr]     Checking regex-syntax v0.6.13
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking regex v1.3.3
[INFO] [stderr]     Checking Inflector v0.11.4
[INFO] [stderr]  Documenting kak-subvert v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.40s
[INFO] running `Command { std: "docker" "inspect" "7676d92b95b68e257946953c2b177d2505d54cca911e3ed99c1ad5d1337c7ae3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7676d92b95b68e257946953c2b177d2505d54cca911e3ed99c1ad5d1337c7ae3", kill_on_drop: false }`
[INFO] [stdout] 7676d92b95b68e257946953c2b177d2505d54cca911e3ed99c1ad5d1337c7ae3