[INFO] cloning repository https://github.com/levinotik/duchess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/levinotik/duchess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevinotik%2Fduchess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevinotik%2Fduchess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2514126ac606b14437bf86abe77064dd92d6cd3
[INFO] testing levinotik/duchess against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevinotik%2Fduchess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/levinotik/duchess
[INFO] finished tweaking git repo https://github.com/levinotik/duchess
[INFO] tweaked toml for git repo https://github.com/levinotik/duchess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/levinotik/duchess on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/levinotik/duchess 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] testing levinotik/duchess against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevinotik%2Fduchess" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/levinotik/duchess
[INFO] finished tweaking git repo https://github.com/levinotik/duchess
[INFO] tweaked toml for git repo https://github.com/levinotik/duchess written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/levinotik/duchess on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/levinotik/duchess 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf63f830c465e8df366492983b1083281419227318a8676c396b59312b3a88c6
[INFO] running `Command { std: "docker" "start" "-a" "cf63f830c465e8df366492983b1083281419227318a8676c396b59312b3a88c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf63f830c465e8df366492983b1083281419227318a8676c396b59312b3a88c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf63f830c465e8df366492983b1083281419227318a8676c396b59312b3a88c6", kill_on_drop: false }`
[INFO] [stdout] cf63f830c465e8df366492983b1083281419227318a8676c396b59312b3a88c6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e466b09f317ed82b967e5ba14fc37ef2e737c8c44becf0575e88475a0a0f000c
[INFO] running `Command { std: "docker" "start" "-a" "e466b09f317ed82b967e5ba14fc37ef2e737c8c44becf0575e88475a0a0f000c", kill_on_drop: false }`
[INFO] [stderr]    Compiling duchess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `A2`
[INFO] [stdout]    --> src/lib.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 |         use self::Coordinates::{A1, A2};
[INFO] [stdout]     |                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::Piece`
[INFO] [stdout]    --> src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         use self::Piece;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PieceType` is never used
[INFO] [stdout]  --> src/lib.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PieceType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum PieceColor {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 13 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Piece {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `coordinates` is never read
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Square {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 91 |     coordinates: Coordinates,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `squares` and `next_move` are never read
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 95 |     squares: Vec<Square>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 96 |     next_move: Player,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Player(PieceColor);
[INFO] [stdout]     |        ------ ^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]    --> src/lib.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Pos;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `A2`
[INFO] [stdout]    --> src/lib.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 |         use self::Coordinates::{A1, A2};
[INFO] [stdout]     |                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::Piece`
[INFO] [stdout]    --> src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         use self::Piece;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PieceType` is never used
[INFO] [stdout]  --> src/lib.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PieceType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PieceColor` is never used
[INFO] [stdout]   --> src/lib.rs:12:6
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum PieceColor {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Piece {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Coordinates` is never used
[INFO] [stdout]   --> src/lib.rs:23:10
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Coordinates {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Square` is never constructed
[INFO] [stdout]   --> src/lib.rs:90:12
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Square {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Board` is never constructed
[INFO] [stdout]   --> src/lib.rs:94:12
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Board {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Player` is never constructed
[INFO] [stdout]    --> src/lib.rs:100:8
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Player(PieceColor);
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]    --> src/lib.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Pos;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "e466b09f317ed82b967e5ba14fc37ef2e737c8c44becf0575e88475a0a0f000c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e466b09f317ed82b967e5ba14fc37ef2e737c8c44becf0575e88475a0a0f000c", kill_on_drop: false }`
[INFO] [stdout] e466b09f317ed82b967e5ba14fc37ef2e737c8c44becf0575e88475a0a0f000c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bded10a8c8fd4feef64ac2a0870e42cf17be10df905c7768bcadb2af05ca0eca
[INFO] running `Command { std: "docker" "start" "-a" "bded10a8c8fd4feef64ac2a0870e42cf17be10df905c7768bcadb2af05ca0eca", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `A2`
[INFO] [stdout]    --> src/lib.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 |         use self::Coordinates::{A1, A2};
[INFO] [stdout]     |                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::Piece`
[INFO] [stdout]    --> src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         use self::Piece;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PieceType` is never used
[INFO] [stdout]  --> src/lib.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PieceType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum PieceColor {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 13 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Piece {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `coordinates` is never read
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Square {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 91 |     coordinates: Coordinates,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `squares` and `next_move` are never read
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Board {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 95 |     squares: Vec<Square>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 96 |     next_move: Player,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling duchess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/lib.rs:100:15
[INFO] [stdout]     |
[INFO] [stdout] 100 | struct Player(PieceColor);
[INFO] [stdout]     |        ------ ^^^^^^^^^^
[INFO] [stdout]     |        |
[INFO] [stdout]     |        field in this struct
[INFO] [stdout]     |
[INFO] [stdout]     = help: consider removing this field
[INFO] [stdout]     = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]    --> src/lib.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Pos;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `A2`
[INFO] [stdout]    --> src/lib.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 |         use self::Coordinates::{A1, A2};
[INFO] [stdout]     |                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::Piece`
[INFO] [stdout]    --> src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         use self::Piece;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `A2`
[INFO] [stdout]    --> src/lib.rs:107:37
[INFO] [stdout]     |
[INFO] [stdout] 107 |         use self::Coordinates::{A1, A2};
[INFO] [stdout]     |                                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::Piece`
[INFO] [stdout]    --> src/lib.rs:108:13
[INFO] [stdout]     |
[INFO] [stdout] 108 |         use self::Piece;
[INFO] [stdout]     |             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PieceType` is never used
[INFO] [stdout]  --> src/lib.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PieceType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum PieceColor {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 13 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Piece {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `coordinates` is never read
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Square {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 91 |     coordinates: Coordinates,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `squares` is never read
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 95 |     squares: Vec<Square>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]    --> src/lib.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Pos;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PieceType` is never used
[INFO] [stdout]  --> src/lib.rs:2:6
[INFO] [stdout]   |
[INFO] [stdout] 2 | enum PieceType {
[INFO] [stdout]   |      ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Black` is never constructed
[INFO] [stdout]   --> src/lib.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | enum PieceColor {
[INFO] [stdout]    |      ---------- variant in this enum
[INFO] [stdout] 13 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PieceColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Piece` is never constructed
[INFO] [stdout]   --> src/lib.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Piece {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]   --> src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum Coordinates {
[INFO] [stdout]    |          ----------- variants in this enum
[INFO] [stdout] 24 |     A1,
[INFO] [stdout] 25 |     A2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 26 |     A3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 27 |     A4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 28 |     A5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 29 |     A6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 30 |     A7,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 31 |     A8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 32 |     B1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 33 |     B2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 34 |     B3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 35 |     B4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 36 |     B5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 37 |     B6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 38 |     B7,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     B8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 40 |     C1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 41 |     C2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 42 |     C3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 43 |     C4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 44 |     C5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 45 |     C6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 46 |     C7,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 47 |     C8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 48 |     D1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 49 |     D2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 50 |     D3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 51 |     D4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 52 |     D5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 53 |     D6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 54 |     D7,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 55 |     D8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 56 |     E1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 57 |     E2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 58 |     E3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 59 |     E4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 60 |     E5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 61 |     E6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 62 |     E7,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 63 |     E8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 64 |     F1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 65 |     F2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 66 |     F3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 67 |     F4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 68 |     F5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 69 |     F6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 70 |     F7,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 71 |     F8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 72 |     G1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 73 |     G2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 74 |     G3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 75 |     G4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 76 |     G5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 77 |     G6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 78 |     G7,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 79 |     G8,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 80 |     H1,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 81 |     H2,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 82 |     H3,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 83 |     H4,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 84 |     H5,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 85 |     H6,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 86 |     H7,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 87 |     H8,
[INFO] [stdout]    |     ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Coordinates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `coordinates` is never read
[INFO] [stdout]   --> src/lib.rs:91:5
[INFO] [stdout]    |
[INFO] [stdout] 90 | pub struct Square {
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 91 |     coordinates: Coordinates,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `squares` is never read
[INFO] [stdout]   --> src/lib.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 94 | pub struct Board {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 95 |     squares: Vec<Square>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pos` is never constructed
[INFO] [stdout]    --> src/lib.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 102 | struct Pos;
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "bded10a8c8fd4feef64ac2a0870e42cf17be10df905c7768bcadb2af05ca0eca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bded10a8c8fd4feef64ac2a0870e42cf17be10df905c7768bcadb2af05ca0eca", kill_on_drop: false }`
[INFO] [stdout] bded10a8c8fd4feef64ac2a0870e42cf17be10df905c7768bcadb2af05ca0eca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 25eeee7df7e31e07a6c503fd1cb59e5b8b029697fb54869fa24eee38602b9e78
[INFO] running `Command { std: "docker" "start" "-a" "25eeee7df7e31e07a6c503fd1cb59e5b8b029697fb54869fa24eee38602b9e78", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `A2`
[INFO] [stderr]    --> src/lib.rs:107:37
[INFO] [stderr]     |
[INFO] [stderr] 107 |         use self::Coordinates::{A1, A2};
[INFO] [stderr]     |                                     ^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::Piece`
[INFO] [stderr]    --> src/lib.rs:108:13
[INFO] [stderr]     |
[INFO] [stderr] 108 |         use self::Piece;
[INFO] [stderr]     |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `PieceType` is never used
[INFO] [stderr]  --> src/lib.rs:2:6
[INFO] [stderr]   |
[INFO] [stderr] 2 | enum PieceType {
[INFO] [stderr]   |      ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Black` is never constructed
[INFO] [stderr]   --> src/lib.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | enum PieceColor {
[INFO] [stderr]    |      ---------- variant in this enum
[INFO] [stderr] 13 |     Black,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PieceColor` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Piece` is never constructed
[INFO] [stderr]   --> src/lib.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Piece {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `coordinates` is never read
[INFO] [stderr]   --> src/lib.rs:91:5
[INFO] [stderr]    |
[INFO] [stderr] 90 | pub struct Square {
[INFO] [stderr]    |            ------ field in this struct
[INFO] [stderr] 91 |     coordinates: Coordinates,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `squares` and `next_move` are never read
[INFO] [stderr]   --> src/lib.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub struct Board {
[INFO] [stderr]    |            ----- fields in this struct
[INFO] [stderr] 95 |     squares: Vec<Square>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 96 |     next_move: Player,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]    --> src/lib.rs:100:15
[INFO] [stderr]     |
[INFO] [stderr] 100 | struct Player(PieceColor);
[INFO] [stderr]     |        ------ ^^^^^^^^^^
[INFO] [stderr]     |        |
[INFO] [stderr]     |        field in this struct
[INFO] [stderr]     |
[INFO] [stderr]     = help: consider removing this field
[INFO] [stderr]     = note: `Player` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pos` is never constructed
[INFO] [stderr]    --> src/lib.rs:102:8
[INFO] [stderr]     |
[INFO] [stderr] 102 | struct Pos;
[INFO] [stderr]     |        ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `duchess` (lib) generated 9 warnings (run `cargo fix --lib -p duchess` to apply 2 suggestions)
[INFO] [stderr] warning: found module declaration for lib.rs
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | mod lib;
[INFO] [stderr]   | ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: lib.rs is the root of this crate's library target
[INFO] [stderr]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stderr]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: multiple variants are never constructed
[INFO] [stderr]   --> src/lib.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub enum Coordinates {
[INFO] [stderr]    |          ----------- variants in this enum
[INFO] [stderr] 24 |     A1,
[INFO] [stderr] 25 |     A2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 26 |     A3,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 27 |     A4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 28 |     A5,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 29 |     A6,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 30 |     A7,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 31 |     A8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 32 |     B1,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 33 |     B2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 34 |     B3,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 35 |     B4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 36 |     B5,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 37 |     B6,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 38 |     B7,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 39 |     B8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 40 |     C1,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 41 |     C2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 42 |     C3,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 43 |     C4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 44 |     C5,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 45 |     C6,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 46 |     C7,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 47 |     C8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 48 |     D1,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 49 |     D2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 50 |     D3,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 51 |     D4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 52 |     D5,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 53 |     D6,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 54 |     D7,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 55 |     D8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 56 |     E1,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 57 |     E2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 58 |     E3,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 59 |     E4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 60 |     E5,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 61 |     E6,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 62 |     E7,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 63 |     E8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 64 |     F1,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 65 |     F2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 66 |     F3,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 67 |     F4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 68 |     F5,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 69 |     F6,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 70 |     F7,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 71 |     F8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 72 |     G1,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 73 |     G2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 74 |     G3,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 75 |     G4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 76 |     G5,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 77 |     G6,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 78 |     G7,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 79 |     G8,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 80 |     H1,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 81 |     H2,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 82 |     H3,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 83 |     H4,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 84 |     H5,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 85 |     H6,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 86 |     H7,
[INFO] [stderr]    |     ^^
[INFO] [stderr] 87 |     H8,
[INFO] [stderr]    |     ^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Coordinates` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `squares` is never read
[INFO] [stderr]   --> src/lib.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 94 | pub struct Board {
[INFO] [stderr]    |            ----- field in this struct
[INFO] [stderr] 95 |     squares: Vec<Square>,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `duchess` (bin "duchess" test) generated 10 warnings (7 duplicates)
[INFO] [stderr] warning: `duchess` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/duchess-f157406b69737b17)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::white_has_first_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/duchess-facf2d97457408ce)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib::tests::white_has_first_move ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests duchess
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "25eeee7df7e31e07a6c503fd1cb59e5b8b029697fb54869fa24eee38602b9e78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25eeee7df7e31e07a6c503fd1cb59e5b8b029697fb54869fa24eee38602b9e78", kill_on_drop: false }`
[INFO] [stdout] 25eeee7df7e31e07a6c503fd1cb59e5b8b029697fb54869fa24eee38602b9e78
