[INFO] fetching crate utile_cli 0.3.2...
[INFO] documenting utile_cli-0.3.2 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate utile_cli 0.3.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate utile_cli 0.3.2 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 utile_cli 0.3.2
[INFO] finished tweaking crates.io crate utile_cli 0.3.2
[INFO] tweaked toml for crates.io crate utile_cli 0.3.2 written to /workspace/builds/worker-8/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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 1fce1a5e0d8ac98ddc15240e0a5f51ed4aff6dbe2b48335ed76e7257f6fe84d9
[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" "1fce1a5e0d8ac98ddc15240e0a5f51ed4aff6dbe2b48335ed76e7257f6fe84d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1fce1a5e0d8ac98ddc15240e0a5f51ed4aff6dbe2b48335ed76e7257f6fe84d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fce1a5e0d8ac98ddc15240e0a5f51ed4aff6dbe2b48335ed76e7257f6fe84d9", kill_on_drop: false }`
[INFO] [stdout] 1fce1a5e0d8ac98ddc15240e0a5f51ed4aff6dbe2b48335ed76e7257f6fe84d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e90db3db569f70c991b39b6d9e0bd4fbe6ffdf3dbc8ea0ec5879b8d2394c7f42
[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" "e90db3db569f70c991b39b6d9e0bd4fbe6ffdf3dbc8ea0ec5879b8d2394c7f42", kill_on_drop: false }`
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking pancurses v0.16.1
[INFO] [stderr]  Documenting utile_cli v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:639:14
[INFO] [stdout]     |
[INFO] [stdout] 639 |           if (y < layers.len() - 1) {
[INFO] [stdout]     |              ^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/cli.rs:644:14
[INFO] [stdout]     |
[INFO] [stdout] 644 |           if (y > 0) {
[INFO] [stdout]     |              ^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: could not parse code block as Rust code
[INFO] [stdout]    --> src/cli.rs:272:7
[INFO] [stdout]     |
[INFO] [stdout] 272 |     /// ```
[INFO] [stdout]     |  _______^
[INFO] [stdout] 273 | |   /// [ L1 ] <- `layer_locate(0)` or `layer_front()`
[INFO] [stdout] 274 | |   /// [ L2 ] <- `layer_locate(-1)`
[INFO] [stdout] 275 | |   /// [ L3 ] <- `layer_locate(1)` or `layer_locate(-2)`
[INFO] [stdout] 276 | |   /// [ L4 ] <- `layer_back()`
[INFO] [stdout] 277 | |   /// ```
[INFO] [stdout]     | |_________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout]     = note: error from rustc: unknown start of token: `
[INFO] [stdout] help: mark blocks that do not contain Rust code as text
[INFO] [stdout]     |
[INFO] [stdout] 272 |   /// ```text
[INFO] [stdout]     |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.91s
[INFO] running `Command { std: "docker" "inspect" "e90db3db569f70c991b39b6d9e0bd4fbe6ffdf3dbc8ea0ec5879b8d2394c7f42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e90db3db569f70c991b39b6d9e0bd4fbe6ffdf3dbc8ea0ec5879b8d2394c7f42", kill_on_drop: false }`
[INFO] [stdout] e90db3db569f70c991b39b6d9e0bd4fbe6ffdf3dbc8ea0ec5879b8d2394c7f42