[INFO] cloning repository https://github.com/AustinArrell/ChessCommand
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/AustinArrell/ChessCommand" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinArrell%2FChessCommand", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinArrell%2FChessCommand'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2ecb7ce47d09cc09d2756d145529aa64816d477a
[INFO] testing AustinArrell/ChessCommand against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAustinArrell%2FChessCommand" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/AustinArrell/ChessCommand on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/AustinArrell/ChessCommand
[INFO] finished tweaking git repo https://github.com/AustinArrell/ChessCommand
[INFO] tweaked toml for git repo https://github.com/AustinArrell/ChessCommand written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/AustinArrell/ChessCommand already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] 6c1dd49ddb3171e72cf2629a29357d2ea6a7c56e77953b18fdf609cf7e1b7ef4
[INFO] running `Command { std: "docker" "start" "-a" "6c1dd49ddb3171e72cf2629a29357d2ea6a7c56e77953b18fdf609cf7e1b7ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6c1dd49ddb3171e72cf2629a29357d2ea6a7c56e77953b18fdf609cf7e1b7ef4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c1dd49ddb3171e72cf2629a29357d2ea6a7c56e77953b18fdf609cf7e1b7ef4", kill_on_drop: false }`
[INFO] [stdout] 6c1dd49ddb3171e72cf2629a29357d2ea6a7c56e77953b18fdf609cf7e1b7ef4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 87ffaee5e11a3364fbdf9258e220b5a8b62b682ee52a3d9268a837de4c596cbd
[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" "87ffaee5e11a3364fbdf9258e220b5a8b62b682ee52a3d9268a837de4c596cbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `air::Air`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use air::Air;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::Piece`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use piece::Piece;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::Pos`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use util::Pos;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `board::Board`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use board::Board;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let n = Knight::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let b = Bishop::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let r = Rook::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let p = Pawn::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let k = King::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let q = Queen::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos1`
[INFO] [stdout]   --> src/air.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn verify_move(&self, pos1:&Pos, pos2:&Pos) -> bool
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_pos1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos2`
[INFO] [stdout]   --> src/air.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn verify_move(&self, pos1:&Pos, pos2:&Pos) -> bool
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_pos2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PIECE_SYMBOLS`
[INFO] [stdout]   --> src/piece.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / static PIECE_SYMBOLS :[(char,char);6] =
[INFO] [stdout] 4  | | [
[INFO] [stdout] 5  | |     ('K','♔'),
[INFO] [stdout] 6  | |     ('Q','♕'),
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     ('P','♙'),
[INFO] [stdout] 11 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_server`
[INFO] [stdout]   --> src/game.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     is_server: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_king`
[INFO] [stdout]   --> src/board.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     white_king : Pos,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_king`
[INFO] [stdout]   --> src/board.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     black_king : Pos,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "87ffaee5e11a3364fbdf9258e220b5a8b62b682ee52a3d9268a837de4c596cbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87ffaee5e11a3364fbdf9258e220b5a8b62b682ee52a3d9268a837de4c596cbd", kill_on_drop: false }`
[INFO] [stdout] 87ffaee5e11a3364fbdf9258e220b5a8b62b682ee52a3d9268a837de4c596cbd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f2e6428c6dc430896b7a30f00839ae13c4ec22ed3e196b5602c18734835a41e
[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" "8f2e6428c6dc430896b7a30f00839ae13c4ec22ed3e196b5602c18734835a41e", kill_on_drop: false }`
[INFO] [stderr]    Compiling learn_rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `air::Air`
[INFO] [stdout]   --> src/main.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use air::Air;
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `piece::Piece`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use piece::Piece;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util::Pos`
[INFO] [stdout]   --> src/main.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | use util::Pos;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `board::Board`
[INFO] [stdout]   --> src/main.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 33 | use board::Board;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]   --> src/main.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let n = Knight::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/main.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |     let b = Bishop::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `r`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let r = Rook::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `p`
[INFO] [stdout]   --> src/main.rs:49:9
[INFO] [stdout]    |
[INFO] [stdout] 49 |     let p = Pawn::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `k`
[INFO] [stdout]   --> src/main.rs:50:9
[INFO] [stdout]    |
[INFO] [stdout] 50 |     let k = King::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `q`
[INFO] [stdout]   --> src/main.rs:51:9
[INFO] [stdout]    |
[INFO] [stdout] 51 |     let q = Queen::new(true);
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos1`
[INFO] [stdout]   --> src/air.rs:16:27
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn verify_move(&self, pos1:&Pos, pos2:&Pos) -> bool
[INFO] [stdout]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_pos1`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pos2`
[INFO] [stdout]   --> src/air.rs:16:38
[INFO] [stdout]    |
[INFO] [stdout] 16 |     fn verify_move(&self, pos1:&Pos, pos2:&Pos) -> bool
[INFO] [stdout]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_pos2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `PIECE_SYMBOLS`
[INFO] [stdout]   --> src/piece.rs:3:1
[INFO] [stdout]    |
[INFO] [stdout] 3  | / static PIECE_SYMBOLS :[(char,char);6] =
[INFO] [stdout] 4  | | [
[INFO] [stdout] 5  | |     ('K','♔'),
[INFO] [stdout] 6  | |     ('Q','♕'),
[INFO] [stdout] ...  |
[INFO] [stdout] 10 | |     ('P','♙'),
[INFO] [stdout] 11 | | ];
[INFO] [stdout]    | |__^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_server`
[INFO] [stdout]   --> src/game.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     is_server: bool,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `white_king`
[INFO] [stdout]   --> src/board.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     white_king : Pos,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `black_king`
[INFO] [stdout]   --> src/board.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     black_king : Pos,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 16 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "8f2e6428c6dc430896b7a30f00839ae13c4ec22ed3e196b5602c18734835a41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f2e6428c6dc430896b7a30f00839ae13c4ec22ed3e196b5602c18734835a41e", kill_on_drop: false }`
[INFO] [stdout] 8f2e6428c6dc430896b7a30f00839ae13c4ec22ed3e196b5602c18734835a41e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "RUSTFLAGS=--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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0ae79e83fdd7b525130bbe86a99020422389c0d9cfd12182cb96831a7759fb85
[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" "0ae79e83fdd7b525130bbe86a99020422389c0d9cfd12182cb96831a7759fb85", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `air::Air`
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 22 | use air::Air;
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piece::Piece`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use piece::Piece;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `util::Pos`
[INFO] [stderr]   --> src/main.rs:31:5
[INFO] [stderr]    |
[INFO] [stderr] 31 | use util::Pos;
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `board::Board`
[INFO] [stderr]   --> src/main.rs:33:5
[INFO] [stderr]    |
[INFO] [stderr] 33 | use board::Board;
[INFO] [stderr]    |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |     let n = Knight::new(true);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/main.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 47 |     let b = Bishop::new(true);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]   --> src/main.rs:48:9
[INFO] [stderr]    |
[INFO] [stderr] 48 |     let r = Rook::new(true);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/main.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |     let p = Pawn::new(true);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `k`
[INFO] [stderr]   --> src/main.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     let k = King::new(true);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_k`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `q`
[INFO] [stderr]   --> src/main.rs:51:9
[INFO] [stderr]    |
[INFO] [stderr] 51 |     let q = Queen::new(true);
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_q`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos1`
[INFO] [stderr]   --> src/air.rs:16:27
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn verify_move(&self, pos1:&Pos, pos2:&Pos) -> bool
[INFO] [stderr]    |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_pos1`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pos2`
[INFO] [stderr]   --> src/air.rs:16:38
[INFO] [stderr]    |
[INFO] [stderr] 16 |     fn verify_move(&self, pos1:&Pos, pos2:&Pos) -> bool
[INFO] [stderr]    |                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_pos2`
[INFO] [stderr] 
[INFO] [stderr] warning: static is never used: `PIECE_SYMBOLS`
[INFO] [stderr]   --> src/piece.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / static PIECE_SYMBOLS :[(char,char);6] =
[INFO] [stderr] 4  | | [
[INFO] [stderr] 5  | |     ('K','♔'),
[INFO] [stderr] 6  | |     ('Q','♕'),
[INFO] [stderr] ...  |
[INFO] [stderr] 10 | |     ('P','♙'),
[INFO] [stderr] 11 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `is_server`
[INFO] [stderr]   --> src/game.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     is_server: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `white_king`
[INFO] [stderr]   --> src/board.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     white_king : Pos,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `black_king`
[INFO] [stderr]   --> src/board.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     black_king : Pos,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `learn_rust` (bin "learn_rust" test) generated 16 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/learn_rust-96280db4d0982ce6)
[INFO] running `Command { std: "docker" "inspect" "0ae79e83fdd7b525130bbe86a99020422389c0d9cfd12182cb96831a7759fb85", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ae79e83fdd7b525130bbe86a99020422389c0d9cfd12182cb96831a7759fb85", kill_on_drop: false }`
[INFO] [stdout] 0ae79e83fdd7b525130bbe86a99020422389c0d9cfd12182cb96831a7759fb85