[INFO] cloning repository https://github.com/INDA22PlusPlus/dstrombe-chess-gui
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/INDA22PlusPlus/dstrombe-chess-gui" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FINDA22PlusPlus%2Fdstrombe-chess-gui", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FINDA22PlusPlus%2Fdstrombe-chess-gui'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7ab9412a8ca393487bc36aa3881330b5505913cb
[INFO] documenting INDA22PlusPlus/dstrombe-chess-gui against 1.97.0-beta.6 for beta-rustdoc-1.98-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FINDA22PlusPlus%2Fdstrombe-chess-gui" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/INDA22PlusPlus/dstrombe-chess-gui
[INFO] finished tweaking git repo https://github.com/INDA22PlusPlus/dstrombe-chess-gui
[INFO] tweaked toml for git repo https://github.com/INDA22PlusPlus/dstrombe-chess-gui written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/INDA22PlusPlus/dstrombe-chess-gui on toolchain 1.97.0-beta.6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/INDA22PlusPlus/dstrombe-chess-gui already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.97.0-beta.6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/INDA22PlusPlus/castorm-chess.git`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5
[INFO] running `Command { std: "docker" "start" "93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5" "/opt/rustwide/cargo-home/bin/cargo" "+1.97.0-beta.6" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]  Documenting dstrombe-chess-gui v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/net.rs:47:19
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let stream =  (listener.incoming().next().unwrap().unwrap());
[INFO] [stdout]    |                   ^                                            ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 47 -     let stream =  (listener.incoming().next().unwrap().unwrap());
[INFO] [stdout] 47 +     let stream =  listener.incoming().next().unwrap().unwrap() ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]   --> src/net.rs:54:22
[INFO] [stdout]    |
[INFO] [stdout] 54 |         let mut mg = (tcp_stream.lock().unwrap());
[INFO] [stdout]    |                      ^                          ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 54 -         let mut mg = (tcp_stream.lock().unwrap());
[INFO] [stdout] 54 +         let mut mg = tcp_stream.lock().unwrap() ;
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/net.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |         let buf_len = match(stream.read(&mut r_buf)) {
[INFO] [stdout]    |                            ^                       ^
[INFO] [stdout]    |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 60 -         let buf_len = match(stream.read(&mut r_buf)) {
[INFO] [stdout] 60 +         let buf_len = match stream.read(&mut r_buf)  {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/net.rs:165:37
[INFO] [stdout]     |
[INFO] [stdout] 165 |     let mut w_buf : Vec<u8> = match (is_server) {
[INFO] [stdout]     |                                     ^         ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 165 -     let mut w_buf : Vec<u8> = match (is_server) {
[INFO] [stdout] 165 +     let mut w_buf : Vec<u8> = match is_server  {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/main.rs:202:15
[INFO] [stdout]     |
[INFO] [stdout] 202 |             if(chess_board.get_legal_moves_from_square(from_square).contains(&mv) && from_square != to_square) {
[INFO] [stdout]     |               ^                                                                                              ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 202 -             if(chess_board.get_legal_moves_from_square(from_square).contains(&mv) && from_square != to_square) {
[INFO] [stdout] 202 +             if chess_board.get_legal_moves_from_square(from_square).contains(&mv) && from_square != to_square {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/main.rs:234:19
[INFO] [stdout]     |
[INFO] [stdout] 234 |             match (chess_board.get_square_piece(square)) {
[INFO] [stdout]     |                   ^                                    ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 234 -             match (chess_board.get_square_piece(square)) {
[INFO] [stdout] 234 +             match chess_board.get_square_piece(square) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 03s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/dstrombe_chess_gui/index.html
[INFO] running `Command { std: "docker" "inspect" "93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5", kill_on_drop: false }`
[INFO] [stdout] 93d9e467fc4a6dd95ed943293e906f71e608e5f453b2a03e221b0fff4a248ba5