Oct 12 21:20:58.022 INFO checking furrykef/farce against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 21:20:58.023 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-5/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-5/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 21:20:58.452 INFO blam! c8a199ee57c1c49bf1fdbd17c3e015efb3cc93c21f6ff6a51df40ae524b51698
Oct 12 21:20:58.464 INFO running `"docker" "start" "-a" "c8a199ee57c1c49bf1fdbd17c3e015efb3cc93c21f6ff6a51df40ae524b51698"`
Oct 12 21:20:59.378 INFO kablam! usermod: no changes
Oct 12 21:20:59.488 INFO kablam!     Checking libc v0.2.24
Oct 12 21:21:00.636 INFO kablam!     Checking memchr v1.0.1
Oct 12 21:21:01.020 INFO kablam!     Checking aho-corasick v0.6.3
Oct 12 21:21:01.742 INFO kablam!     Checking regex v0.2.2
Oct 12 21:21:04.020 INFO kablam!     Checking farce v0.1.0 (/source)
Oct 12 21:21:04.745 INFO kablam! warning: unused import: `std::thread`
Oct 12 21:21:04.745 INFO kablam!  --> src/engine_thread_manager.rs:3:5
Oct 12 21:21:04.745 INFO kablam!   |
Oct 12 21:21:04.745 INFO kablam! 3 | use std::thread;
Oct 12 21:21:04.745 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 21:21:04.745 INFO kablam!   |
Oct 12 21:21:04.745 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 21:21:04.745 INFO kablam! 
Oct 12 21:21:04.892 INFO kablam! warning: unused variable: `rx`
Oct 12 21:21:04.892 INFO kablam!   --> src/engine_thread_manager.rs:17:18
Oct 12 21:21:04.892 INFO kablam!    |
Oct 12 21:21:04.892 INFO kablam! 17 |         let (tx, rx) = mpsc::channel::<MessageToEngine>();
Oct 12 21:21:04.892 INFO kablam!    |                  ^^ help: consider using `_rx` instead
Oct 12 21:21:04.892 INFO kablam!    |
Oct 12 21:21:04.892 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:21:04.892 INFO kablam! 
Oct 12 21:21:04.892 INFO kablam! warning: unused variable: `tokens`
Oct 12 21:21:04.892 INFO kablam!   --> src/engine_thread_manager.rs:24:26
Oct 12 21:21:04.892 INFO kablam!    |
Oct 12 21:21:04.892 INFO kablam! 24 |     pub fn cmd_go(&self, tokens: &mut SplitWhitespace) {
Oct 12 21:21:04.892 INFO kablam!    |                          ^^^^^^ help: consider using `_tokens` instead
Oct 12 21:21:04.892 INFO kablam! 
Oct 12 21:21:04.892 INFO kablam! warning: unused variable: `tokens`
Oct 12 21:21:04.892 INFO kablam!   --> src/engine_thread_manager.rs:36:32
Oct 12 21:21:04.892 INFO kablam!    |
Oct 12 21:21:04.892 INFO kablam! 36 |     pub fn cmd_position(&self, tokens: &mut SplitWhitespace) {
Oct 12 21:21:04.892 INFO kablam!    |                                ^^^^^^ help: consider using `_tokens` instead
Oct 12 21:21:04.892 INFO kablam! 
Oct 12 21:21:04.892 INFO kablam! warning: unused variable: `tokens`
Oct 12 21:21:04.892 INFO kablam!   --> src/engine_thread_manager.rs:40:33
Oct 12 21:21:04.892 INFO kablam!    |
Oct 12 21:21:04.892 INFO kablam! 40 |     pub fn cmd_setoption(&self, tokens: &mut SplitWhitespace) {
Oct 12 21:21:04.892 INFO kablam!    |                                 ^^^^^^ help: consider using `_tokens` instead
Oct 12 21:21:04.892 INFO kablam! 
Oct 12 21:21:04.920 INFO kablam! warning: variant is never constructed: `White`
Oct 12 21:21:04.920 INFO kablam!  --> src/color.rs:4:5
Oct 12 21:21:04.920 INFO kablam!   |
Oct 12 21:21:04.920 INFO kablam! 4 |     White,
Oct 12 21:21:04.920 INFO kablam!   |     ^^^^^
Oct 12 21:21:04.920 INFO kablam!   |
Oct 12 21:21:04.920 INFO kablam!   = note: #[warn(dead_code)] on by default
Oct 12 21:21:04.920 INFO kablam! 
Oct 12 21:21:04.920 INFO kablam! warning: variant is never constructed: `Black`
Oct 12 21:21:04.920 INFO kablam!  --> src/color.rs:5:5
Oct 12 21:21:04.920 INFO kablam!   |
Oct 12 21:21:04.920 INFO kablam! 5 |     Black
Oct 12 21:21:04.920 INFO kablam!   |     ^^^^^
Oct 12 21:21:04.920 INFO kablam! 
Oct 12 21:21:04.920 INFO kablam! warning: function is never used: `opposite_color`
Oct 12 21:21:04.920 INFO kablam!  --> src/color.rs:9:1
Oct 12 21:21:04.920 INFO kablam!   |
Oct 12 21:21:04.920 INFO kablam! 9 | pub fn opposite_color(color: Color) -> Color {
Oct 12 21:21:04.920 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:04.920 INFO kablam! 
Oct 12 21:21:04.920 INFO kablam! warning: variant is never constructed: `Pawn`
Oct 12 21:21:04.920 INFO kablam!  --> src/piece.rs:3:5
Oct 12 21:21:04.920 INFO kablam!   |
Oct 12 21:21:04.920 INFO kablam! 3 |     Pawn,
Oct 12 21:21:04.920 INFO kablam!   |     ^^^^
Oct 12 21:21:04.920 INFO kablam! 
Oct 12 21:21:04.920 INFO kablam! warning: variant is never constructed: `Knight`
Oct 12 21:21:04.920 INFO kablam!  --> src/piece.rs:4:5
Oct 12 21:21:04.920 INFO kablam!   |
Oct 12 21:21:04.920 INFO kablam! 4 |     Knight,
Oct 12 21:21:04.920 INFO kablam!   |     ^^^^^^
Oct 12 21:21:04.920 INFO kablam! 
Oct 12 21:21:04.920 INFO kablam! warning: variant is never constructed: `Bishop`
Oct 12 21:21:04.920 INFO kablam!  --> src/piece.rs:5:5
Oct 12 21:21:04.920 INFO kablam!   |
Oct 12 21:21:04.920 INFO kablam! 5 |     Bishop,
Oct 12 21:21:04.921 INFO kablam!   |     ^^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: variant is never constructed: `Rook`
Oct 12 21:21:04.921 INFO kablam!  --> src/piece.rs:6:5
Oct 12 21:21:04.921 INFO kablam!   |
Oct 12 21:21:04.921 INFO kablam! 6 |     Rook,
Oct 12 21:21:04.921 INFO kablam!   |     ^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: variant is never constructed: `Queen`
Oct 12 21:21:04.921 INFO kablam!  --> src/piece.rs:7:5
Oct 12 21:21:04.921 INFO kablam!   |
Oct 12 21:21:04.921 INFO kablam! 7 |     Queen,
Oct 12 21:21:04.921 INFO kablam!   |     ^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: variant is never constructed: `King`
Oct 12 21:21:04.921 INFO kablam!  --> src/piece.rs:8:5
Oct 12 21:21:04.921 INFO kablam!   |
Oct 12 21:21:04.921 INFO kablam! 8 |     King
Oct 12 21:21:04.921 INFO kablam!   |     ^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: constant item is never used: `STARTPOS_FEN`
Oct 12 21:21:04.921 INFO kablam!   --> src/position.rs:10:1
Oct 12 21:21:04.921 INFO kablam!    |
Oct 12 21:21:04.921 INFO kablam! 10 | const STARTPOS_FEN: &str = "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1";
Oct 12 21:21:04.921 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: variant is never constructed: `Empty`
Oct 12 21:21:04.921 INFO kablam!   --> src/position.rs:33:5
Oct 12 21:21:04.921 INFO kablam!    |
Oct 12 21:21:04.921 INFO kablam! 33 |     Empty,
Oct 12 21:21:04.921 INFO kablam!    |     ^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: variant is never constructed: `Piece`
Oct 12 21:21:04.921 INFO kablam!   --> src/position.rs:34:5
Oct 12 21:21:04.921 INFO kablam!    |
Oct 12 21:21:04.921 INFO kablam! 34 |     Piece(PieceType, Color)
Oct 12 21:21:04.921 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: method is never used: `new`
Oct 12 21:21:04.921 INFO kablam!   --> src/position.rs:50:5
Oct 12 21:21:04.921 INFO kablam!    |
Oct 12 21:21:04.921 INFO kablam! 50 |     pub fn new() -> Position {
Oct 12 21:21:04.921 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: method is never used: `from_fen`
Oct 12 21:21:04.921 INFO kablam!   --> src/position.rs:58:5
Oct 12 21:21:04.921 INFO kablam!    |
Oct 12 21:21:04.921 INFO kablam! 58 |     pub fn from_fen(fen: &str) -> Position {
Oct 12 21:21:04.921 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: method is never used: `make_move`
Oct 12 21:21:04.921 INFO kablam!    --> src/position.rs:190:5
Oct 12 21:21:04.921 INFO kablam!     |
Oct 12 21:21:04.921 INFO kablam! 190 | /     pub fn make_move(&mut self,
Oct 12 21:21:04.921 INFO kablam! 191 | |                      src: (usize, usize),
Oct 12 21:21:04.921 INFO kablam! 192 | |                      dst: (usize, usize),
Oct 12 21:21:04.921 INFO kablam! 193 | |                      promotion_type: Option<PieceType>) {
Oct 12 21:21:04.921 INFO kablam! ...   |
Oct 12 21:21:04.921 INFO kablam! 287 | |         self.side_to_move = opposite_color(self.side_to_move);
Oct 12 21:21:04.921 INFO kablam! 288 | |     }
Oct 12 21:21:04.921 INFO kablam!     | |_____^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: function is never used: `read_board_data`
Oct 12 21:21:04.921 INFO kablam!    --> src/position.rs:299:1
Oct 12 21:21:04.921 INFO kablam!     |
Oct 12 21:21:04.921 INFO kablam! 299 | fn read_board_data(captures: &Captures) -> [[Cell; 8]; 8] {
Oct 12 21:21:04.921 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: function is never used: `can_piece_move_into_cell`
Oct 12 21:21:04.921 INFO kablam!    --> src/position.rs:331:1
Oct 12 21:21:04.921 INFO kablam!     |
Oct 12 21:21:04.921 INFO kablam! 331 | pub fn can_piece_move_into_cell(cell: Cell, my_color: Color) -> bool {
Oct 12 21:21:04.921 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.921 INFO kablam! warning: function is never used: `parse_algebraic_coords`
Oct 12 21:21:04.921 INFO kablam!    --> src/position.rs:340:1
Oct 12 21:21:04.921 INFO kablam!     |
Oct 12 21:21:04.921 INFO kablam! 340 | fn parse_algebraic_coords(coords: &str) -> (usize, usize) {
Oct 12 21:21:04.921 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:04.921 INFO kablam! 
Oct 12 21:21:04.992 INFO kablam! warning: unused import: `std::thread`
Oct 12 21:21:04.992 INFO kablam!  --> src/engine_thread_manager.rs:3:5
Oct 12 21:21:04.992 INFO kablam!   |
Oct 12 21:21:04.992 INFO kablam! 3 | use std::thread;
Oct 12 21:21:04.992 INFO kablam!   |     ^^^^^^^^^^^
Oct 12 21:21:04.992 INFO kablam!   |
Oct 12 21:21:04.992 INFO kablam!   = note: #[warn(unused_imports)] on by default
Oct 12 21:21:04.992 INFO kablam! 
Oct 12 21:21:05.236 INFO kablam! warning: unused variable: `rx`
Oct 12 21:21:05.237 INFO kablam!   --> src/engine_thread_manager.rs:17:18
Oct 12 21:21:05.237 INFO kablam!    |
Oct 12 21:21:05.237 INFO kablam! 17 |         let (tx, rx) = mpsc::channel::<MessageToEngine>();
Oct 12 21:21:05.237 INFO kablam!    |                  ^^ help: consider using `_rx` instead
Oct 12 21:21:05.237 INFO kablam!    |
Oct 12 21:21:05.237 INFO kablam!    = note: #[warn(unused_variables)] on by default
Oct 12 21:21:05.237 INFO kablam! 
Oct 12 21:21:05.237 INFO kablam! warning: unused variable: `tokens`
Oct 12 21:21:05.237 INFO kablam!   --> src/engine_thread_manager.rs:24:26
Oct 12 21:21:05.237 INFO kablam!    |
Oct 12 21:21:05.237 INFO kablam! 24 |     pub fn cmd_go(&self, tokens: &mut SplitWhitespace) {
Oct 12 21:21:05.237 INFO kablam!    |                          ^^^^^^ help: consider using `_tokens` instead
Oct 12 21:21:05.237 INFO kablam! 
Oct 12 21:21:05.237 INFO kablam! warning: unused variable: `tokens`
Oct 12 21:21:05.237 INFO kablam!   --> src/engine_thread_manager.rs:36:32
Oct 12 21:21:05.237 INFO kablam!    |
Oct 12 21:21:05.237 INFO kablam! 36 |     pub fn cmd_position(&self, tokens: &mut SplitWhitespace) {
Oct 12 21:21:05.237 INFO kablam!    |                                ^^^^^^ help: consider using `_tokens` instead
Oct 12 21:21:05.237 INFO kablam! 
Oct 12 21:21:05.237 INFO kablam! warning: unused variable: `tokens`
Oct 12 21:21:05.237 INFO kablam!   --> src/engine_thread_manager.rs:40:33
Oct 12 21:21:05.237 INFO kablam!    |
Oct 12 21:21:05.237 INFO kablam! 40 |     pub fn cmd_setoption(&self, tokens: &mut SplitWhitespace) {
Oct 12 21:21:05.238 INFO kablam!    |                                 ^^^^^^ help: consider using `_tokens` instead
Oct 12 21:21:05.238 INFO kablam! 
Oct 12 21:21:05.280 INFO kablam! warning: function is never used: `can_piece_move_into_cell`
Oct 12 21:21:05.280 INFO kablam!    --> src/position.rs:331:1
Oct 12 21:21:05.280 INFO kablam!     |
Oct 12 21:21:05.281 INFO kablam! 331 | pub fn can_piece_move_into_cell(cell: Cell, my_color: Color) -> bool {
Oct 12 21:21:05.281 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 21:21:05.281 INFO kablam!     |
Oct 12 21:21:05.281 INFO kablam!     = note: #[warn(dead_code)] on by default
Oct 12 21:21:05.281 INFO kablam! 
Oct 12 21:21:05.340 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 5.92s
Oct 12 21:21:05.340 INFO kablam! su: No module specific data is present
Oct 12 21:21:05.959 INFO running `"docker" "rm" "-f" "c8a199ee57c1c49bf1fdbd17c3e015efb3cc93c21f6ff6a51df40ae524b51698"`
Oct 12 21:21:06.047 INFO blam! c8a199ee57c1c49bf1fdbd17c3e015efb3cc93c21f6ff6a51df40ae524b51698