[INFO] updating cached repository https://github.com/pavacicp/foo-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a261953ba6f68cc75b1772da323963021cbb816
[INFO] documenting pavacicp/foo-chess against try#66dfc4e010913fbed0c4ea91fc2c010004b0f441 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpavacicp%2Ffoo-chess" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pavacicp/foo-chess on toolchain 66dfc4e010913fbed0c4ea91fc2c010004b0f441
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pavacicp/foo-chess
[INFO] finished tweaking git repo https://github.com/pavacicp/foo-chess
[INFO] tweaked toml for git repo https://github.com/pavacicp/foo-chess written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/pavacicp/foo-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "metadata" "--no-deps" "--format-version=1", 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] 98d13c8ebefdcd387129e2686a3f6ee8a1f91dee05431e41e81745f2d5ef512f
[INFO] running `Command { std: "docker" "start" "-a" "98d13c8ebefdcd387129e2686a3f6ee8a1f91dee05431e41e81745f2d5ef512f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98d13c8ebefdcd387129e2686a3f6ee8a1f91dee05431e41e81745f2d5ef512f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d13c8ebefdcd387129e2686a3f6ee8a1f91dee05431e41e81745f2d5ef512f", kill_on_drop: false }`
[INFO] [stdout] 98d13c8ebefdcd387129e2686a3f6ee8a1f91dee05431e41e81745f2d5ef512f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+66dfc4e010913fbed0c4ea91fc2c010004b0f441" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5f454ae4b10299935675a1ac31bb7699c3190c8f0ec2422a2099439c3c25adf
[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" "f5f454ae4b10299935675a1ac31bb7699c3190c8f0ec2422a2099439c3c25adf", kill_on_drop: false }`
[INFO] [stderr]    Compiling crunchy v0.1.6
[INFO] [stderr]     Checking tiny-keccak v1.4.2
[INFO] [stderr]  Documenting foo-chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/figure.rs:85:51
[INFO] [stdout]    |
[INFO] [stdout] 85 |                 if current_pos.0 == 2 && icon == WHITE_PAWN { (2 as i32) }
[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 block return value
[INFO] [stdout]   --> src/figure.rs:86:56
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 else if current_pos.0 == 7 && icon == BLACK_PAWN { (2 as i32) }
[INFO] [stdout]    |                                                                    ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/figure.rs:87:12
[INFO] [stdout]    |
[INFO] [stdout] 87 |                 else { (1 as i32) }
[INFO] [stdout]    |                        ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]   --> src/board.rs:63:3
[INFO] [stdout]    |
[INFO] [stdout] 63 |         (self.get_field_content(pos) == WHITE_FIELD || self.get_field_content(pos) == BLACK_FIELD)
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.41s
[INFO] running `Command { std: "docker" "inspect" "f5f454ae4b10299935675a1ac31bb7699c3190c8f0ec2422a2099439c3c25adf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5f454ae4b10299935675a1ac31bb7699c3190c8f0ec2422a2099439c3c25adf", kill_on_drop: false }`
[INFO] [stdout] f5f454ae4b10299935675a1ac31bb7699c3190c8f0ec2422a2099439c3c25adf