[INFO] fetching crate lxd 0.1.8...
[INFO] documenting lxd-0.1.8 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate lxd 0.1.8 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lxd 0.1.8 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lxd 0.1.8
[INFO] finished tweaking crates.io crate lxd 0.1.8
[INFO] tweaked toml for crates.io crate lxd 0.1.8 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b3001c5e1c5054aa72639658540dd1f61af21433e9c7d5f509b523cba8394ab
[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" "7b3001c5e1c5054aa72639658540dd1f61af21433e9c7d5f509b523cba8394ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b3001c5e1c5054aa72639658540dd1f61af21433e9c7d5f509b523cba8394ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b3001c5e1c5054aa72639658540dd1f61af21433e9c7d5f509b523cba8394ab", kill_on_drop: false }`
[INFO] [stdout] 7b3001c5e1c5054aa72639658540dd1f61af21433e9c7d5f509b523cba8394ab
[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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75abac364918b56c0fa6d1fe0f933b8f16da96d2d25720cfec8c45d056bb002c
[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" "75abac364918b56c0fa6d1fe0f933b8f16da96d2d25720cfec8c45d056bb002c", kill_on_drop: false }`
[INFO] [stderr]  Documenting lxd v0.1.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/image.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 77 |     /// ```
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 77 |     /// ```text
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/snapshot.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 |     /// ```
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 25 |     /// ```text
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.12s
[INFO] running `Command { std: "docker" "inspect" "75abac364918b56c0fa6d1fe0f933b8f16da96d2d25720cfec8c45d056bb002c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75abac364918b56c0fa6d1fe0f933b8f16da96d2d25720cfec8c45d056bb002c", kill_on_drop: false }`
[INFO] [stdout] 75abac364918b56c0fa6d1fe0f933b8f16da96d2d25720cfec8c45d056bb002c