[INFO] cloning repository https://github.com/l3kn/rust_chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/l3kn/rust_chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Frust_chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Frust_chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae51af4460a1760b4bee1123df071b6711bc666c
[INFO] documenting l3kn/rust_chess against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Frust_chess" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/l3kn/rust_chess on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/l3kn/rust_chess
[INFO] finished tweaking git repo https://github.com/l3kn/rust_chess
[INFO] tweaked toml for git repo https://github.com/l3kn/rust_chess written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/l3kn/rust_chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a5a81637bfcbb01243b71908642bec88e6d131b42d19f23b66f727a771b14838
[INFO] running `Command { std: "docker" "start" "-a" "a5a81637bfcbb01243b71908642bec88e6d131b42d19f23b66f727a771b14838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a5a81637bfcbb01243b71908642bec88e6d131b42d19f23b66f727a771b14838", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5a81637bfcbb01243b71908642bec88e6d131b42d19f23b66f727a771b14838", kill_on_drop: false }`
[INFO] [stdout] a5a81637bfcbb01243b71908642bec88e6d131b42d19f23b66f727a771b14838
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28818e5c0c1187d46364556e78bd5a8827bf9b79b43a98fb97920b035209d57e
[INFO] running `Command { std: "docker" "start" "-a" "28818e5c0c1187d46364556e78bd5a8827bf9b79b43a98fb97920b035209d57e", kill_on_drop: false }`
[INFO] [stderr]  Documenting chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |         res |= (1 << (row * 8 + c));
[INFO] [stdout]    |                ^                  ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 18 -         res |= (1 << (row * 8 + c));
[INFO] [stdout] 18 +         res |= 1 << (row * 8 + c);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:25:16
[INFO] [stdout]    |
[INFO] [stdout] 25 |         res |= (1 << (r * 8 + col));
[INFO] [stdout]    |                ^                  ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 25 -         res |= (1 << (r * 8 + col));
[INFO] [stdout] 25 +         res |= 1 << (r * 8 + col);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/occupancy_masks.rs:42:12
[INFO] [stdout]    |
[INFO] [stdout] 42 |         if (x != col && y != row) {
[INFO] [stdout]    |            ^                    ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 42 -         if (x != col && y != row) {
[INFO] [stdout] 42 +         if x != col && y != row {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:43:20
[INFO] [stdout]    |
[INFO] [stdout] 43 |             res |= (1 << (y * 8 + x));
[INFO] [stdout]    |                    ^                ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 43 -             res |= (1 << (y * 8 + x));
[INFO] [stdout] 43 +             res |= 1 << (y * 8 + x);
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]   --> src/occupancy_masks.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |         if (x != col_ && y != row) {
[INFO] [stdout]    |            ^                     ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 59 -         if (x != col_ && y != row) {
[INFO] [stdout] 59 +         if x != col_ && y != row {
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/occupancy_masks.rs:60:20
[INFO] [stdout]    |
[INFO] [stdout] 60 |             res |= (1 << (y * 8 + (7 - x)));
[INFO] [stdout]    |                    ^                      ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -             res |= (1 << (y * 8 + (7 - x)));
[INFO] [stdout] 60 +             res |= 1 << (y * 8 + (7 - x));
[INFO] [stdout]    | 
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/board.rs:186:20
[INFO] [stdout]     |
[INFO] [stdout] 186 |                 '0'...'8' => {
[INFO] [stdout]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.56s
[INFO] running `Command { std: "docker" "inspect" "28818e5c0c1187d46364556e78bd5a8827bf9b79b43a98fb97920b035209d57e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28818e5c0c1187d46364556e78bd5a8827bf9b79b43a98fb97920b035209d57e", kill_on_drop: false }`
[INFO] [stdout] 28818e5c0c1187d46364556e78bd5a8827bf9b79b43a98fb97920b035209d57e