[INFO] cloning repository https://github.com/elmines/rusty_brain
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elmines/rusty_brain" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmines%2Frusty_brain", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmines%2Frusty_brain'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 64d91e4f05aa841d5d3b65608971aa327d84ea22
[INFO] documenting elmines/rusty_brain against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felmines%2Frusty_brain" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elmines/rusty_brain 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 git repo https://github.com/elmines/rusty_brain
[INFO] finished tweaking git repo https://github.com/elmines/rusty_brain
[INFO] tweaked toml for git repo https://github.com/elmines/rusty_brain written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/elmines/rusty_brain already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.12.1
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 11f329ae158014fe33db1e68a1c0faf7d2f80b7d3d119a5db0eeede733bca40f
[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" "11f329ae158014fe33db1e68a1c0faf7d2f80b7d3d119a5db0eeede733bca40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "11f329ae158014fe33db1e68a1c0faf7d2f80b7d3d119a5db0eeede733bca40f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11f329ae158014fe33db1e68a1c0faf7d2f80b7d3d119a5db0eeede733bca40f", kill_on_drop: false }`
[INFO] [stdout] 11f329ae158014fe33db1e68a1c0faf7d2f80b7d3d119a5db0eeede733bca40f
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 890af5255710814babf43c931877b9b100f12833a4da878e3d15e6720682dffc
[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" "890af5255710814babf43c931877b9b100f12833a4da878e3d15e6720682dffc", kill_on_drop: false }`
[INFO] [stderr]    Compiling ndarray v0.12.1
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]  Documenting rusty_brain v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this file contains an unclosed delimiter
[INFO] [stdout]   --> src/core/session.rs:88:2
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl Session {
[INFO] [stdout]    |              - unclosed delimiter
[INFO] [stdout] ...
[INFO] [stdout] 75 |                     for pred in ready_comp.preds() {
[INFO] [stdout]    |                                                    - this delimiter might not be properly closed...
[INFO] [stdout] ...
[INFO] [stdout] 78 |                 }
[INFO] [stdout]    |                 - ...as it matches this but it has different indentation
[INFO] [stdout] ...
[INFO] [stdout] 88 | 
[INFO] [stdout]    |  ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: expected `;` or `{`, found `=>`
[INFO] [stdout]   --> src/core/session.rs:14:96
[INFO] [stdout]    |
[INFO] [stdout] 14 | fn extract_pred(x: &Tensor, feeds: &HashMap<&Tensor, &Array<f32, f64>>, fetches: Vec<&Tensor>) => {
[INFO] [stdout]    |                                                                                                ^^ expected `;` or `{`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: Compilation failed, aborting rustdoc
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: Could not document `rusty_brain`.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustdoc --crate-type lib --crate-name rusty_brain src/lib.rs -o /opt/rustwide/target/doc --error-format=json --json=diagnostic-rendered-ansi --document-private-items -L dependency=/opt/rustwide/target/debug/deps --extern ndarray=/opt/rustwide/target/debug/deps/libndarray-d8c77ce6a7730efe.rmeta --cap-lints=warn --crate-version 0.1.0` (exit code: 1)
[INFO] running `Command { std: "docker" "inspect" "890af5255710814babf43c931877b9b100f12833a4da878e3d15e6720682dffc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890af5255710814babf43c931877b9b100f12833a4da878e3d15e6720682dffc", kill_on_drop: false }`
[INFO] [stdout] 890af5255710814babf43c931877b9b100f12833a4da878e3d15e6720682dffc