[INFO] cloning repository https://github.com/coltonisgod234/chess_bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coltonisgod234/chess_bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoltonisgod234%2Fchess_bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoltonisgod234%2Fchess_bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdd56ffe6d5e67ee4f3b966bc72e7875d76f49b7
[INFO] checking coltonisgod234/chess_bot against try#14e4661efa5acbf985e4fe564baae04683366cc1 for pr-157696
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoltonisgod234%2Fchess_bot" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/coltonisgod234/chess_bot
[INFO] finished tweaking git repo https://github.com/coltonisgod234/chess_bot
[INFO] tweaked toml for git repo https://github.com/coltonisgod234/chess_bot written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/coltonisgod234/chess_bot on toolchain 14e4661efa5acbf985e4fe564baae04683366cc1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/coltonisgod234/chess_bot 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" "+14e4661efa5acbf985e4fe564baae04683366cc1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 27b8483b3a7ee40af77c458182f18a26aac579723123079addf058efa95ec7ac
[INFO] running `Command { std: "docker" "start" "27b8483b3a7ee40af77c458182f18a26aac579723123079addf058efa95ec7ac", 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" "27b8483b3a7ee40af77c458182f18a26aac579723123079addf058efa95ec7ac" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "27b8483b3a7ee40af77c458182f18a26aac579723123079addf058efa95ec7ac", 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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "27b8483b3a7ee40af77c458182f18a26aac579723123079addf058efa95ec7ac" "/opt/rustwide/cargo-home/bin/cargo" "+14e4661efa5acbf985e4fe564baae04683366cc1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.5.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling libc v0.2.177
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling heapless v0.9.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking hash32 v0.3.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.1
[INFO] [stderr]     Checking mucow v0.1.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]     Checking bitflags v2.10.0
[INFO] [stderr]    Compiling autocfg v0.1.8
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]     Checking crossbeam-deque v0.8.6
[INFO] [stderr]     Checking rayon v1.11.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.17.0
[INFO] [stderr]     Checking pleco v0.5.0
[INFO] [stderr]     Checking chess_bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/chesslib/movegen/mod.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         legal_moves.push(m);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let _ = legal_moves.push(m);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/rook.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         moves.push(Move {
[INFO] [stdout] 25 | |             from: start as u8,
[INFO] [stdout] 26 | |             to: checking as u8,
[INFO] [stdout] 27 | |             promotion: None,
[INFO] [stdout] 28 | |             flags: MoveFlags::empty()
[INFO] [stdout] 29 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/rook.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         moves.push(Move {
[INFO] [stdout] 49 | |             from: start as u8,
[INFO] [stdout] 50 | |             to: checking as u8,
[INFO] [stdout] 51 | |             promotion: None,
[INFO] [stdout] 52 | |             flags: MoveFlags::empty()
[INFO] [stdout] 53 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/rook.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | /         moves.push(Move {
[INFO] [stdout] 73 | |             from: start as u8,
[INFO] [stdout] 74 | |             to: checking as u8,
[INFO] [stdout] 75 | |             promotion: None,
[INFO] [stdout] 76 | |             flags: MoveFlags::empty()
[INFO] [stdout] 77 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/chesslib/movegen/rook.rs:97:9
[INFO] [stdout]     |
[INFO] [stdout]  97 | /         moves.push(Move {
[INFO] [stdout]  98 | |             from: start as u8,
[INFO] [stdout]  99 | |             to: checking as u8,
[INFO] [stdout] 100 | |             promotion: None,
[INFO] [stdout] 101 | |             flags: MoveFlags::empty()
[INFO] [stdout] 102 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout]  97 |         let _ = moves.push(Move {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/bishop.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         moves.push(Move {
[INFO] [stdout] 28 | |             from: start as u8,
[INFO] [stdout] 29 | |             to: checking as u8,
[INFO] [stdout] 30 | |             promotion: None,
[INFO] [stdout] 31 | |             flags: MoveFlags::empty()
[INFO] [stdout] 32 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/pawn.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 | /             moves.push(Move {
[INFO] [stdout] 43 | |                 from: start,
[INFO] [stdout] 44 | |                 to: checking as u8,
[INFO] [stdout] 45 | |                 promotion,
[INFO] [stdout] 46 | |                 flags: MoveFlags::empty()
[INFO] [stdout] 47 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let _ = moves.push(Move {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/pawn.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 | /             moves.push(Move {
[INFO] [stdout] 63 | |                 from: start,
[INFO] [stdout] 64 | |                 to: checking as u8,
[INFO] [stdout] 65 | |                 promotion,
[INFO] [stdout] 66 | |                 flags: MoveFlags::empty()
[INFO] [stdout] 67 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let _ = moves.push(Move {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/pawn.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 | /         moves.push(Move {
[INFO] [stdout] 79 | |             from: start,
[INFO] [stdout] 80 | |             to: checking as u8,
[INFO] [stdout] 81 | |             promotion: None,
[INFO] [stdout] 82 | |             flags: MoveFlags::empty()
[INFO] [stdout] 83 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/pawn.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 | /             moves.push(Move {
[INFO] [stdout] 91 | |                 from: start,
[INFO] [stdout] 92 | |                 to: checking as u8,
[INFO] [stdout] 93 | |                 promotion: None,
[INFO] [stdout] 94 | |                 flags: MoveFlags::DoublePush  // be sure to indicate this is a double push
[INFO] [stdout] 95 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let _ = moves.push(Move {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/king.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         moves.push(Move {
[INFO] [stdout] 28 | |             from: for_piece_at_index,
[INFO] [stdout] 29 | |             to: checking as u8,
[INFO] [stdout] 30 | |             promotion: None,
[INFO] [stdout] 31 | |             flags: MoveFlags::empty()
[INFO] [stdout] 32 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/knight.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         moves.push(Move {
[INFO] [stdout] 26 | |             from: checking as u8,
[INFO] [stdout] 27 | |             to: target as u8,
[INFO] [stdout] 28 | |             promotion: None,
[INFO] [stdout] 29 | |             flags: MoveFlags::empty(),
[INFO] [stdout] 30 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.85s
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/chesslib/movegen/mod.rs:113:9
[INFO] [stdout]     |
[INFO] [stdout] 113 |         legal_moves.push(m);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 113 |         let _ = legal_moves.push(m);
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/rook.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | /         moves.push(Move {
[INFO] [stdout] 25 | |             from: start as u8,
[INFO] [stdout] 26 | |             to: checking as u8,
[INFO] [stdout] 27 | |             promotion: None,
[INFO] [stdout] 28 | |             flags: MoveFlags::empty()
[INFO] [stdout] 29 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 24 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/rook.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 | /         moves.push(Move {
[INFO] [stdout] 49 | |             from: start as u8,
[INFO] [stdout] 50 | |             to: checking as u8,
[INFO] [stdout] 51 | |             promotion: None,
[INFO] [stdout] 52 | |             flags: MoveFlags::empty()
[INFO] [stdout] 53 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 48 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/rook.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | /         moves.push(Move {
[INFO] [stdout] 73 | |             from: start as u8,
[INFO] [stdout] 74 | |             to: checking as u8,
[INFO] [stdout] 75 | |             promotion: None,
[INFO] [stdout] 76 | |             flags: MoveFlags::empty()
[INFO] [stdout] 77 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/chesslib/movegen/rook.rs:97:9
[INFO] [stdout]     |
[INFO] [stdout]  97 | /         moves.push(Move {
[INFO] [stdout]  98 | |             from: start as u8,
[INFO] [stdout]  99 | |             to: checking as u8,
[INFO] [stdout] 100 | |             promotion: None,
[INFO] [stdout] 101 | |             flags: MoveFlags::empty()
[INFO] [stdout] 102 | |         });
[INFO] [stdout]     | |__________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout]  97 |         let _ = moves.push(Move {
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/bishop.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         moves.push(Move {
[INFO] [stdout] 28 | |             from: start as u8,
[INFO] [stdout] 29 | |             to: checking as u8,
[INFO] [stdout] 30 | |             promotion: None,
[INFO] [stdout] 31 | |             flags: MoveFlags::empty()
[INFO] [stdout] 32 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/pawn.rs:42:13
[INFO] [stdout]    |
[INFO] [stdout] 42 | /             moves.push(Move {
[INFO] [stdout] 43 | |                 from: start,
[INFO] [stdout] 44 | |                 to: checking as u8,
[INFO] [stdout] 45 | |                 promotion,
[INFO] [stdout] 46 | |                 flags: MoveFlags::empty()
[INFO] [stdout] 47 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 42 |             let _ = moves.push(Move {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/pawn.rs:62:13
[INFO] [stdout]    |
[INFO] [stdout] 62 | /             moves.push(Move {
[INFO] [stdout] 63 | |                 from: start,
[INFO] [stdout] 64 | |                 to: checking as u8,
[INFO] [stdout] 65 | |                 promotion,
[INFO] [stdout] 66 | |                 flags: MoveFlags::empty()
[INFO] [stdout] 67 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 62 |             let _ = moves.push(Move {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/pawn.rs:78:9
[INFO] [stdout]    |
[INFO] [stdout] 78 | /         moves.push(Move {
[INFO] [stdout] 79 | |             from: start,
[INFO] [stdout] 80 | |             to: checking as u8,
[INFO] [stdout] 81 | |             promotion: None,
[INFO] [stdout] 82 | |             flags: MoveFlags::empty()
[INFO] [stdout] 83 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/pawn.rs:90:13
[INFO] [stdout]    |
[INFO] [stdout] 90 | /             moves.push(Move {
[INFO] [stdout] 91 | |                 from: start,
[INFO] [stdout] 92 | |                 to: checking as u8,
[INFO] [stdout] 93 | |                 promotion: None,
[INFO] [stdout] 94 | |                 flags: MoveFlags::DoublePush  // be sure to indicate this is a double push
[INFO] [stdout] 95 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 90 |             let _ = moves.push(Move {
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/king.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 | /         moves.push(Move {
[INFO] [stdout] 28 | |             from: for_piece_at_index,
[INFO] [stdout] 29 | |             to: checking as u8,
[INFO] [stdout] 30 | |             promotion: None,
[INFO] [stdout] 31 | |             flags: MoveFlags::empty()
[INFO] [stdout] 32 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 27 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/chesslib/movegen/knight.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | /         moves.push(Move {
[INFO] [stdout] 26 | |             from: checking as u8,
[INFO] [stdout] 27 | |             to: target as u8,
[INFO] [stdout] 28 | |             promotion: None,
[INFO] [stdout] 29 | |             flags: MoveFlags::empty(),
[INFO] [stdout] 30 | |         });
[INFO] [stdout]    | |__________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 25 |         let _ = moves.push(Move {
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "27b8483b3a7ee40af77c458182f18a26aac579723123079addf058efa95ec7ac", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "27b8483b3a7ee40af77c458182f18a26aac579723123079addf058efa95ec7ac", kill_on_drop: false }`
[INFO] [stdout] 27b8483b3a7ee40af77c458182f18a26aac579723123079addf058efa95ec7ac
