[INFO] cloning repository https://github.com/wojciech-projects/lewek
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wojciech-projects/lewek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciech-projects%2Flewek", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciech-projects%2Flewek'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bb540eb0742a2d080c561037dc0c4490682b0aa3
[INFO] checking wojciech-projects/lewek against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwojciech-projects%2Flewek" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wojciech-projects/lewek on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wojciech-projects/lewek
[INFO] finished tweaking git repo https://github.com/wojciech-projects/lewek
[INFO] tweaked toml for git repo https://github.com/wojciech-projects/lewek written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/wojciech-projects/lewek 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 991b3aa0eb5190c3c18ee4ac0a4e7e91f79eda8c9427cb92c134c6ca3eafb315
[INFO] running `Command { std: "docker" "start" "-a" "991b3aa0eb5190c3c18ee4ac0a4e7e91f79eda8c9427cb92c134c6ca3eafb315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "991b3aa0eb5190c3c18ee4ac0a4e7e91f79eda8c9427cb92c134c6ca3eafb315", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "991b3aa0eb5190c3c18ee4ac0a4e7e91f79eda8c9427cb92c134c6ca3eafb315", kill_on_drop: false }`
[INFO] [stdout] 991b3aa0eb5190c3c18ee4ac0a4e7e91f79eda8c9427cb92c134c6ca3eafb315
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c90aec04e554296b611640fbe19d2a73f82e1e6b95745c468b5da77a55ee9f9b
[INFO] running `Command { std: "docker" "start" "-a" "c90aec04e554296b611640fbe19d2a73f82e1e6b95745c468b5da77a55ee9f9b", kill_on_drop: false }`
[INFO] [stderr]     Checking lewek v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type alias `Row` is never used
[INFO] [stdout]   --> src/game/board.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub type Row = usize;
[INFO] [stdout]    |          ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Col` is never used
[INFO] [stdout]   --> src/game/board.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub type Col = usize;
[INFO] [stdout]    |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Field` is never used
[INFO] [stdout]   --> src/game/board.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub type Field = usize;
[INFO] [stdout]    |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `rowcol2field` is never used
[INFO] [stdout]   --> src/game/board.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn rowcol2field(row: Row, col: Col) -> Field {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALL_INDEXES` is never used
[INFO] [stdout]   --> src/game/board.rs:18:11
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub const ALL_INDEXES: [Field; BOARD_SIZE] = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11];
[INFO] [stdout]    |           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `empty` is never used
[INFO] [stdout]   --> src/game/board.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Board {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 23 |     pub fn empty() -> Self {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/game/board.rs:46:12
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameState` is never constructed
[INFO] [stdout]   --> src/game/board.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct GameState {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pawn`, `Bishop`, `Rook`, `King`, and `PromotedPawn` are never constructed
[INFO] [stdout]  --> src/game/piece.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum PieceKind {
[INFO] [stdout]   |          --------- variants in this enum
[INFO] [stdout] 3 |     Pawn,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 4 |     Bishop,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 5 |     Rook,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 6 |     King,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout] 7 |     PromotedPawn,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PieceKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Pawn`, `Bishop`, and `Rook` are never constructed
[INFO] [stdout]   --> src/game/piece.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub enum HandPiece {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 11 |     Pawn,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 12 |     Bishop,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 13 |     Rook,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `HandPiece` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALL_HAND_PIECES` is never used
[INFO] [stdout]   --> src/game/piece.rs:16:11
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub const ALL_HAND_PIECES: [HandPiece; 3] = [HandPiece::Pawn, HandPiece::Bishop, HandPiece::Rook];
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Black` and `White` are never constructed
[INFO] [stdout]   --> src/game/piece.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub enum Color {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 20 |     Black,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 21 |     White,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Color` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE_PAWN` is never used
[INFO] [stdout]   --> src/game/piece.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub const WHITE_PAWN: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE_KING` is never used
[INFO] [stdout]   --> src/game/piece.rs:34:11
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub const WHITE_KING: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE_BISHOP` is never used
[INFO] [stdout]   --> src/game/piece.rs:38:11
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub const WHITE_BISHOP: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE_ROOK` is never used
[INFO] [stdout]   --> src/game/piece.rs:42:11
[INFO] [stdout]    |
[INFO] [stdout] 42 | pub const WHITE_ROOK: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `WHITE_PROMOTED_PAWN` is never used
[INFO] [stdout]   --> src/game/piece.rs:46:11
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub const WHITE_PROMOTED_PAWN: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLACK_PAWN` is never used
[INFO] [stdout]   --> src/game/piece.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub const BLACK_PAWN: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLACK_KING` is never used
[INFO] [stdout]   --> src/game/piece.rs:55:11
[INFO] [stdout]    |
[INFO] [stdout] 55 | pub const BLACK_KING: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLACK_BISHOP` is never used
[INFO] [stdout]   --> src/game/piece.rs:59:11
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub const BLACK_BISHOP: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLACK_ROOK` is never used
[INFO] [stdout]   --> src/game/piece.rs:63:11
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub const BLACK_ROOK: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BLACK_PROMOTED_PAWN` is never used
[INFO] [stdout]   --> src/game/piece.rs:67:11
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub const BLACK_PROMOTED_PAWN: Piece = Piece {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ALL_PIECES` is never used
[INFO] [stdout]   --> src/game/piece.rs:72:11
[INFO] [stdout]    |
[INFO] [stdout] 72 | pub const ALL_PIECES: [Piece; 10] = [
[INFO] [stdout]    |           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_color` is never used
[INFO] [stdout]  --> src/parser.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn parse_color(color: &str) -> Option<Color> {
[INFO] [stdout]   |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_piece` is never used
[INFO] [stdout]   --> src/parser.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn parse_piece(piece: &str) -> Option<Piece> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `RowLexerOutput` is never used
[INFO] [stdout]   --> src/parser.rs:30:6
[INFO] [stdout]    |
[INFO] [stdout] 30 | enum RowLexerOutput {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lex_row` is never used
[INFO] [stdout]   --> src/parser.rs:35:4
[INFO] [stdout]    |
[INFO] [stdout] 35 | fn lex_row(row: &str) -> Vec<RowLexerOutput> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_board` is never used
[INFO] [stdout]   --> src/parser.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn parse_board(board: &str) -> Option<Board> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_hand_piece` is never used
[INFO] [stdout]   --> src/parser.rs:94:4
[INFO] [stdout]    |
[INFO] [stdout] 94 | fn parse_hand_piece(piece: &str) -> Option<HandPiece> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HandLexerOutput` is never constructed
[INFO] [stdout]    --> src/parser.rs:104:8
[INFO] [stdout]     |
[INFO] [stdout] 104 | struct HandLexerOutput {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `lex_hand` is never used
[INFO] [stdout]    --> src/parser.rs:110:4
[INFO] [stdout]     |
[INFO] [stdout] 110 | fn lex_hand(hands: &str) -> Option<Vec<HandLexerOutput>> {
[INFO] [stdout]     |    ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Hands` is never constructed
[INFO] [stdout]    --> src/parser.rs:151:8
[INFO] [stdout]     |
[INFO] [stdout] 151 | struct Hands {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_hands` is never used
[INFO] [stdout]    --> src/parser.rs:156:4
[INFO] [stdout]     |
[INFO] [stdout] 156 | fn parse_hands(hands: &str) -> Option<Hands> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `parse_sfen` is never used
[INFO] [stdout]    --> src/parser.rs:183:4
[INFO] [stdout]     |
[INFO] [stdout] 183 | fn parse_sfen(sfen: &str) -> Option<Position> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Sfen` is never used
[INFO] [stdout]  --> src/sfen.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Sfen {
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameState` is never constructed
[INFO] [stdout]   --> src/game/board.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub struct GameState {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] running `Command { std: "docker" "inspect" "c90aec04e554296b611640fbe19d2a73f82e1e6b95745c468b5da77a55ee9f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c90aec04e554296b611640fbe19d2a73f82e1e6b95745c468b5da77a55ee9f9b", kill_on_drop: false }`
[INFO] [stdout] c90aec04e554296b611640fbe19d2a73f82e1e6b95745c468b5da77a55ee9f9b