[INFO] fetching crate freecell 0.1.0...
[INFO] documenting freecell-0.1.0 against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] extracting crate freecell 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate freecell 0.1.0 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate freecell 0.1.0
[INFO] finished tweaking crates.io crate freecell 0.1.0
[INFO] tweaked toml for crates.io crate freecell 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2800d1f0355900c92d1afaa5755d09f60a036ab96eee7ca82209e5a5c854e6c9
[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" "2800d1f0355900c92d1afaa5755d09f60a036ab96eee7ca82209e5a5c854e6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2800d1f0355900c92d1afaa5755d09f60a036ab96eee7ca82209e5a5c854e6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2800d1f0355900c92d1afaa5755d09f60a036ab96eee7ca82209e5a5c854e6c9", kill_on_drop: false }`
[INFO] [stdout] 2800d1f0355900c92d1afaa5755d09f60a036ab96eee7ca82209e5a5c854e6c9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 404e72725d18db1d3c871878a983b8b3a5ba5919441af9a774b95e9f4b17c473
[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" "404e72725d18db1d3c871878a983b8b3a5ba5919441af9a774b95e9f4b17c473", kill_on_drop: false }`
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]  Documenting freecell v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/card_collections/foundation.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 42 | | /// // TODO [high priority]
[INFO] [stdout] 43 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::invalid_rust_codeblocks)]` on by default
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 41 | /// ```text
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: Rust code block is empty
[INFO] [stdout]   --> src/card_collections/foundation.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |   /// ```
[INFO] [stdout]    |  _____^
[INFO] [stdout] 42 | | /// // TODO [high priority]
[INFO] [stdout] 43 | | /// ```
[INFO] [stdout]    | |_______^
[INFO] [stdout]    |
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]    |
[INFO] [stdout] 41 | /// ```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 2.27s
[INFO] running `Command { std: "docker" "inspect" "404e72725d18db1d3c871878a983b8b3a5ba5919441af9a774b95e9f4b17c473", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "404e72725d18db1d3c871878a983b8b3a5ba5919441af9a774b95e9f4b17c473", kill_on_drop: false }`
[INFO] [stdout] 404e72725d18db1d3c871878a983b8b3a5ba5919441af9a774b95e9f4b17c473
