Nov 30 02:42:42.386 INFO checking furrykef/farce against try#32252761328f59ccfadb1bafb8148c685bc830b3 for pr-56323
Nov 30 02:42:42.386 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-0/try#32252761328f59ccfadb1bafb8148c685bc830b3:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56323/try#32252761328f59ccfadb1bafb8148c685bc830b3:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +32252761328f59ccfadb1bafb8148c685bc830b3-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 30 02:42:42.572 INFO [stdout] e55a7a0aa463178fcdad78b3e96f199f90516fe6b45ecf19aacecf34353e56dc
Nov 30 02:42:42.573 INFO running `"docker" "start" "-a" "e55a7a0aa463178fcdad78b3e96f199f90516fe6b45ecf19aacecf34353e56dc"`
Nov 30 02:42:42.927 INFO [stderr] usermod: no changes
Nov 30 02:42:42.978 INFO [stderr]     Checking libc v0.2.24
Nov 30 02:42:43.800 INFO [stderr]     Checking memchr v1.0.1
Nov 30 02:42:44.216 INFO [stderr]     Checking aho-corasick v0.6.3
Nov 30 02:42:44.982 INFO [stderr]     Checking regex v0.2.2
Nov 30 02:42:47.576 INFO [stderr]     Checking farce v0.1.0 (/source)
Nov 30 02:42:48.716 INFO [stderr] warning: unused import: `std::thread`
Nov 30 02:42:48.717 INFO [stderr]  --> src/engine_thread_manager.rs:3:5
Nov 30 02:42:48.717 INFO [stderr]   |
Nov 30 02:42:48.717 INFO [stderr] 3 | use std::thread;
Nov 30 02:42:48.718 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 02:42:48.718 INFO [stderr]   |
Nov 30 02:42:48.718 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 02:42:48.718 INFO [stderr] 
Nov 30 02:42:48.808 INFO [stderr] warning: unused import: `std::thread`
Nov 30 02:42:48.808 INFO [stderr]  --> src/engine_thread_manager.rs:3:5
Nov 30 02:42:48.808 INFO [stderr]   |
Nov 30 02:42:48.809 INFO [stderr] 3 | use std::thread;
Nov 30 02:42:48.809 INFO [stderr]   |     ^^^^^^^^^^^
Nov 30 02:42:48.809 INFO [stderr]   |
Nov 30 02:42:48.810 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 30 02:42:48.810 INFO [stderr] 
Nov 30 02:42:48.964 INFO [stderr] warning: unused variable: `rx`
Nov 30 02:42:48.965 INFO [stderr]   --> src/engine_thread_manager.rs:17:18
Nov 30 02:42:48.965 INFO [stderr]    |
Nov 30 02:42:48.965 INFO [stderr] 17 |         let (tx, rx) = mpsc::channel::<MessageToEngine>();
Nov 30 02:42:48.966 INFO [stderr]    |                  ^^ help: consider using `_rx` instead
Nov 30 02:42:48.966 INFO [stderr]    |
Nov 30 02:42:48.966 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 02:42:48.967 INFO [stderr] 
Nov 30 02:42:48.967 INFO [stderr] warning: unused variable: `tokens`
Nov 30 02:42:48.967 INFO [stderr]   --> src/engine_thread_manager.rs:24:26
Nov 30 02:42:48.967 INFO [stderr]    |
Nov 30 02:42:48.968 INFO [stderr] 24 |     pub fn cmd_go(&self, tokens: &mut SplitWhitespace) {
Nov 30 02:42:48.968 INFO [stderr]    |                          ^^^^^^ help: consider using `_tokens` instead
Nov 30 02:42:48.968 INFO [stderr] 
Nov 30 02:42:48.968 INFO [stderr] warning: unused variable: `tokens`
Nov 30 02:42:48.969 INFO [stderr]   --> src/engine_thread_manager.rs:36:32
Nov 30 02:42:48.969 INFO [stderr]    |
Nov 30 02:42:48.969 INFO [stderr] 36 |     pub fn cmd_position(&self, tokens: &mut SplitWhitespace) {
Nov 30 02:42:48.969 INFO [stderr]    |                                ^^^^^^ help: consider using `_tokens` instead
Nov 30 02:42:48.970 INFO [stderr] 
Nov 30 02:42:48.970 INFO [stderr] warning: unused variable: `tokens`
Nov 30 02:42:48.970 INFO [stderr]   --> src/engine_thread_manager.rs:40:33
Nov 30 02:42:48.970 INFO [stderr]    |
Nov 30 02:42:48.970 INFO [stderr] 40 |     pub fn cmd_setoption(&self, tokens: &mut SplitWhitespace) {
Nov 30 02:42:48.971 INFO [stderr]    |                                 ^^^^^^ help: consider using `_tokens` instead
Nov 30 02:42:48.971 INFO [stderr] 
Nov 30 02:42:49.016 INFO [stderr] warning: variant is never constructed: `White`
Nov 30 02:42:49.017 INFO [stderr]  --> src/color.rs:4:5
Nov 30 02:42:49.017 INFO [stderr]   |
Nov 30 02:42:49.017 INFO [stderr] 4 |     White,
Nov 30 02:42:49.018 INFO [stderr]   |     ^^^^^
Nov 30 02:42:49.018 INFO [stderr]   |
Nov 30 02:42:49.018 INFO [stderr]   = note: #[warn(dead_code)] on by default
Nov 30 02:42:49.018 INFO [stderr] 
Nov 30 02:42:49.019 INFO [stderr] warning: variant is never constructed: `Black`
Nov 30 02:42:49.019 INFO [stderr]  --> src/color.rs:5:5
Nov 30 02:42:49.019 INFO [stderr]   |
Nov 30 02:42:49.020 INFO [stderr] 5 |     Black
Nov 30 02:42:49.020 INFO [stderr]   |     ^^^^^
Nov 30 02:42:49.020 INFO [stderr] 
Nov 30 02:42:49.020 INFO [stderr] warning: function is never used: `opposite_color`
Nov 30 02:42:49.021 INFO [stderr]  --> src/color.rs:9:1
Nov 30 02:42:49.021 INFO [stderr]   |
Nov 30 02:42:49.021 INFO [stderr] 9 | pub fn opposite_color(color: Color) -> Color {
Nov 30 02:42:49.022 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.022 INFO [stderr] 
Nov 30 02:42:49.022 INFO [stderr] warning: variant is never constructed: `Pawn`
Nov 30 02:42:49.022 INFO [stderr]  --> src/piece.rs:3:5
Nov 30 02:42:49.023 INFO [stderr]   |
Nov 30 02:42:49.023 INFO [stderr] 3 |     Pawn,
Nov 30 02:42:49.023 INFO [stderr]   |     ^^^^
Nov 30 02:42:49.023 INFO [stderr] 
Nov 30 02:42:49.024 INFO [stderr] warning: variant is never constructed: `Knight`
Nov 30 02:42:49.024 INFO [stderr]  --> src/piece.rs:4:5
Nov 30 02:42:49.024 INFO [stderr]   |
Nov 30 02:42:49.024 INFO [stderr] 4 |     Knight,
Nov 30 02:42:49.025 INFO [stderr]   |     ^^^^^^
Nov 30 02:42:49.025 INFO [stderr] 
Nov 30 02:42:49.025 INFO [stderr] warning: variant is never constructed: `Bishop`
Nov 30 02:42:49.025 INFO [stderr]  --> src/piece.rs:5:5
Nov 30 02:42:49.026 INFO [stderr]   |
Nov 30 02:42:49.026 INFO [stderr] 5 |     Bishop,
Nov 30 02:42:49.026 INFO [stderr]   |     ^^^^^^
Nov 30 02:42:49.026 INFO [stderr] 
Nov 30 02:42:49.026 INFO [stderr] warning: variant is never constructed: `Rook`
Nov 30 02:42:49.027 INFO [stderr]  --> src/piece.rs:6:5
Nov 30 02:42:49.027 INFO [stderr]   |
Nov 30 02:42:49.027 INFO [stderr] 6 |     Rook,
Nov 30 02:42:49.027 INFO [stderr]   |     ^^^^
Nov 30 02:42:49.027 INFO [stderr] 
Nov 30 02:42:49.027 INFO [stderr] warning: variant is never constructed: `Queen`
Nov 30 02:42:49.027 INFO [stderr]  --> src/piece.rs:7:5
Nov 30 02:42:49.027 INFO [stderr]   |
Nov 30 02:42:49.027 INFO [stderr] 7 |     Queen,
Nov 30 02:42:49.027 INFO [stderr]   |     ^^^^^
Nov 30 02:42:49.027 INFO [stderr] 
Nov 30 02:42:49.027 INFO [stderr] warning: variant is never constructed: `King`
Nov 30 02:42:49.027 INFO [stderr]  --> src/piece.rs:8:5
Nov 30 02:42:49.027 INFO [stderr]   |
Nov 30 02:42:49.027 INFO [stderr] 8 |     King
Nov 30 02:42:49.028 INFO [stderr]   |     ^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: constant item is never used: `STARTPOS_FEN`
Nov 30 02:42:49.028 INFO [stderr]   --> src/position.rs:10:1
Nov 30 02:42:49.028 INFO [stderr]    |
Nov 30 02:42:49.028 INFO [stderr] 10 | const STARTPOS_FEN: &str = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
Nov 30 02:42:49.028 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: variant is never constructed: `Empty`
Nov 30 02:42:49.028 INFO [stderr]   --> src/position.rs:33:5
Nov 30 02:42:49.028 INFO [stderr]    |
Nov 30 02:42:49.028 INFO [stderr] 33 |     Empty,
Nov 30 02:42:49.028 INFO [stderr]    |     ^^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: variant is never constructed: `Piece`
Nov 30 02:42:49.028 INFO [stderr]   --> src/position.rs:34:5
Nov 30 02:42:49.028 INFO [stderr]    |
Nov 30 02:42:49.028 INFO [stderr] 34 |     Piece(PieceType, Color)
Nov 30 02:42:49.028 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: method is never used: `new`
Nov 30 02:42:49.028 INFO [stderr]   --> src/position.rs:50:5
Nov 30 02:42:49.028 INFO [stderr]    |
Nov 30 02:42:49.028 INFO [stderr] 50 |     pub fn new() -> Position {
Nov 30 02:42:49.028 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: method is never used: `from_fen`
Nov 30 02:42:49.028 INFO [stderr]   --> src/position.rs:58:5
Nov 30 02:42:49.028 INFO [stderr]    |
Nov 30 02:42:49.028 INFO [stderr] 58 |     pub fn from_fen(fen: &str) -> Position {
Nov 30 02:42:49.028 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: method is never used: `make_move`
Nov 30 02:42:49.028 INFO [stderr]    --> src/position.rs:190:5
Nov 30 02:42:49.028 INFO [stderr]     |
Nov 30 02:42:49.028 INFO [stderr] 190 | /     pub fn make_move(&mut self,
Nov 30 02:42:49.028 INFO [stderr] 191 | |                      src: (usize, usize),
Nov 30 02:42:49.028 INFO [stderr] 192 | |                      dst: (usize, usize),
Nov 30 02:42:49.028 INFO [stderr] 193 | |                      promotion_type: Option<PieceType>) {
Nov 30 02:42:49.028 INFO [stderr] ...   |
Nov 30 02:42:49.028 INFO [stderr] 287 | |         self.side_to_move = opposite_color(self.side_to_move);
Nov 30 02:42:49.028 INFO [stderr] 288 | |     }
Nov 30 02:42:49.028 INFO [stderr]     | |_____^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: function is never used: `read_board_data`
Nov 30 02:42:49.028 INFO [stderr]    --> src/position.rs:299:1
Nov 30 02:42:49.028 INFO [stderr]     |
Nov 30 02:42:49.028 INFO [stderr] 299 | fn read_board_data(captures: &Captures) -> [[Cell; 8]; 8] {
Nov 30 02:42:49.028 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: function is never used: `can_piece_move_into_cell`
Nov 30 02:42:49.028 INFO [stderr]    --> src/position.rs:331:1
Nov 30 02:42:49.028 INFO [stderr]     |
Nov 30 02:42:49.028 INFO [stderr] 331 | pub fn can_piece_move_into_cell(cell: Cell, my_color: Color) -> bool {
Nov 30 02:42:49.028 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.028 INFO [stderr] warning: function is never used: `parse_algebraic_coords`
Nov 30 02:42:49.028 INFO [stderr]    --> src/position.rs:340:1
Nov 30 02:42:49.028 INFO [stderr]     |
Nov 30 02:42:49.028 INFO [stderr] 340 | fn parse_algebraic_coords(coords: &str) -> (usize, usize) {
Nov 30 02:42:49.028 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.028 INFO [stderr] 
Nov 30 02:42:49.099 INFO [stderr] warning: unused variable: `rx`
Nov 30 02:42:49.099 INFO [stderr]   --> src/engine_thread_manager.rs:17:18
Nov 30 02:42:49.099 INFO [stderr]    |
Nov 30 02:42:49.099 INFO [stderr] 17 |         let (tx, rx) = mpsc::channel::<MessageToEngine>();
Nov 30 02:42:49.099 INFO [stderr]    |                  ^^ help: consider using `_rx` instead
Nov 30 02:42:49.099 INFO [stderr]    |
Nov 30 02:42:49.099 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Nov 30 02:42:49.099 INFO [stderr] 
Nov 30 02:42:49.100 INFO [stderr] warning: unused variable: `tokens`
Nov 30 02:42:49.100 INFO [stderr]   --> src/engine_thread_manager.rs:24:26
Nov 30 02:42:49.100 INFO [stderr]    |
Nov 30 02:42:49.100 INFO [stderr] 24 |     pub fn cmd_go(&self, tokens: &mut SplitWhitespace) {
Nov 30 02:42:49.100 INFO [stderr]    |                          ^^^^^^ help: consider using `_tokens` instead
Nov 30 02:42:49.100 INFO [stderr] 
Nov 30 02:42:49.100 INFO [stderr] warning: unused variable: `tokens`
Nov 30 02:42:49.100 INFO [stderr]   --> src/engine_thread_manager.rs:36:32
Nov 30 02:42:49.100 INFO [stderr]    |
Nov 30 02:42:49.100 INFO [stderr] 36 |     pub fn cmd_position(&self, tokens: &mut SplitWhitespace) {
Nov 30 02:42:49.100 INFO [stderr]    |                                ^^^^^^ help: consider using `_tokens` instead
Nov 30 02:42:49.100 INFO [stderr] 
Nov 30 02:42:49.100 INFO [stderr] warning: unused variable: `tokens`
Nov 30 02:42:49.100 INFO [stderr]   --> src/engine_thread_manager.rs:40:33
Nov 30 02:42:49.100 INFO [stderr]    |
Nov 30 02:42:49.100 INFO [stderr] 40 |     pub fn cmd_setoption(&self, tokens: &mut SplitWhitespace) {
Nov 30 02:42:49.100 INFO [stderr]    |                                 ^^^^^^ help: consider using `_tokens` instead
Nov 30 02:42:49.100 INFO [stderr] 
Nov 30 02:42:49.174 INFO [stderr] warning: function is never used: `can_piece_move_into_cell`
Nov 30 02:42:49.174 INFO [stderr]    --> src/position.rs:331:1
Nov 30 02:42:49.175 INFO [stderr]     |
Nov 30 02:42:49.175 INFO [stderr] 331 | pub fn can_piece_move_into_cell(cell: Cell, my_color: Color) -> bool {
Nov 30 02:42:49.175 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 30 02:42:49.175 INFO [stderr]     |
Nov 30 02:42:49.175 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 30 02:42:49.175 INFO [stderr] 
Nov 30 02:42:49.209 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.26s
Nov 30 02:42:49.212 INFO [stderr] su: No module specific data is present
Nov 30 02:42:50.166 INFO running `"docker" "inspect" "e55a7a0aa463178fcdad78b3e96f199f90516fe6b45ecf19aacecf34353e56dc"`
Nov 30 02:42:50.338 INFO running `"docker" "rm" "-f" "e55a7a0aa463178fcdad78b3e96f199f90516fe6b45ecf19aacecf34353e56dc"`
Nov 30 02:42:50.475 INFO [stdout] e55a7a0aa463178fcdad78b3e96f199f90516fe6b45ecf19aacecf34353e56dc