[INFO] cloning repository https://github.com/justinaustin/ruci
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justinaustin/ruci" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinaustin%2Fruci"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinaustin%2Fruci'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 50083624d7e1f5fe009854f487346e79c1765614
[INFO] checking justinaustin/ruci against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustinaustin%2Fruci" "/workspace/builds/worker-6/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justinaustin/ruci on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/justinaustin/ruci
[INFO] finished tweaking git repo https://github.com/justinaustin/ruci
[INFO] tweaked toml for git repo https://github.com/justinaustin/ruci written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/justinaustin/ruci already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 4a56d88df3e1e414d5c092a91a80742e3713b96307aa392ff0478ab18f63308e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4a56d88df3e1e414d5c092a91a80742e3713b96307aa392ff0478ab18f63308e"`
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking ruci v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     try!(io::stdin().read_line(&mut buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/board.rs:162:20
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 '1'...'8' => index += ch as usize - 49,
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefMut`
[INFO] [stderr]  --> src/evaluation.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Piece`
[INFO] [stderr]  --> src/evaluation.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piece::{Piece, Type};
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/zobrist.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{Rng, thread_rng};
[INFO] [stderr]   |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'try': use the `?` operator instead
[INFO] [stderr]   --> src/main.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     try!(io::stdin().read_line(&mut buffer));
[INFO] [stderr]    |     ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/board.rs:162:20
[INFO] [stderr]     |
[INFO] [stderr] 162 |                 '1'...'8' => index += ch as usize - 49,
[INFO] [stderr]     |                    ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::cell::RefMut`
[INFO] [stderr]  --> src/evaluation.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::cell::RefMut;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Piece`
[INFO] [stderr]  --> src/evaluation.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piece::{Piece, Type};
[INFO] [stderr]   |             ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `thread_rng`
[INFO] [stderr]  --> src/zobrist.rs:3:17
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rand::{Rng, thread_rng};
[INFO] [stderr]   |                 ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mobility_weight`
[INFO] [stderr]    --> src/evaluation.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mobility_weight = MOBILITY_WEIGHT * mobility_diff;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_mobility_weight`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/logic.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     if let Some(p) = board.board[start.rank as usize][start.file as usize] {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quiescence`
[INFO] [stderr]    --> src/evaluation.rs:260:1
[INFO] [stderr]     |
[INFO] [stderr] 260 | fn quiescence(board: &Board, mut alpha: f64, beta: f64) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_valid_move_string`
[INFO] [stderr]  --> src/logic.rs:7:1
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn is_valid_move_string(board: &Board, chess_move: &str) -> bool {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_checkmate`
[INFO] [stderr]   --> src/logic.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn is_checkmate(board: &Board) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `is_stalemate`
[INFO] [stderr]   --> src/logic.rs:38:1
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub fn is_stalemate(board: &Board) -> bool {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_PAWN`
[INFO] [stderr]   --> src/zobrist.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const WHITE_PAWN: usize = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_BISHOP`
[INFO] [stderr]   --> src/zobrist.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const WHITE_BISHOP: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_KNIGHT`
[INFO] [stderr]   --> src/zobrist.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const WHITE_KNIGHT: usize = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_ROOK`
[INFO] [stderr]   --> src/zobrist.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const WHITE_ROOK: usize = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_QUEEN`
[INFO] [stderr]   --> src/zobrist.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const WHITE_QUEEN: usize = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_KING`
[INFO] [stderr]   --> src/zobrist.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const WHITE_KING: usize = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_PAWN`
[INFO] [stderr]   --> src/zobrist.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const BLACK_PAWN: usize = 6;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_BISHOP`
[INFO] [stderr]   --> src/zobrist.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const BLACK_BISHOP: usize = 7;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_KNIGHT`
[INFO] [stderr]   --> src/zobrist.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const BLACK_KNIGHT: usize = 8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_ROOK`
[INFO] [stderr]   --> src/zobrist.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const BLACK_ROOK: usize = 9;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_QUEEN`
[INFO] [stderr]   --> src/zobrist.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const BLACK_QUEEN: usize = 10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_KING`
[INFO] [stderr]   --> src/zobrist.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const BLACK_KING: usize = 11;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]   --> src/zobrist.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn hash(&self, board: &Board) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_position`
[INFO] [stderr]   --> src/main.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn print_position(input: &Vec<&str>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mobility_weight`
[INFO] [stderr]    --> src/evaluation.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 |     let mobility_weight = MOBILITY_WEIGHT * mobility_diff;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^ help: consider prefixing with an underscore: `_mobility_weight`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `p`
[INFO] [stderr]   --> src/logic.rs:89:17
[INFO] [stderr]    |
[INFO] [stderr] 89 |     if let Some(p) = board.board[start.rank as usize][start.file as usize] {
[INFO] [stderr]    |                 ^ help: consider prefixing with an underscore: `_p`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `quiescence`
[INFO] [stderr]    --> src/evaluation.rs:260:1
[INFO] [stderr]     |
[INFO] [stderr] 260 | fn quiescence(board: &Board, mut alpha: f64, beta: f64) -> f64 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_PAWN`
[INFO] [stderr]   --> src/zobrist.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | const WHITE_PAWN: usize = 0;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_BISHOP`
[INFO] [stderr]   --> src/zobrist.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | const WHITE_BISHOP: usize = 1;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_KNIGHT`
[INFO] [stderr]   --> src/zobrist.rs:13:1
[INFO] [stderr]    |
[INFO] [stderr] 13 | const WHITE_KNIGHT: usize = 2;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_ROOK`
[INFO] [stderr]   --> src/zobrist.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | const WHITE_ROOK: usize = 3;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_QUEEN`
[INFO] [stderr]   --> src/zobrist.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const WHITE_QUEEN: usize = 4;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `WHITE_KING`
[INFO] [stderr]   --> src/zobrist.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const WHITE_KING: usize = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_PAWN`
[INFO] [stderr]   --> src/zobrist.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | const BLACK_PAWN: usize = 6;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_BISHOP`
[INFO] [stderr]   --> src/zobrist.rs:18:1
[INFO] [stderr]    |
[INFO] [stderr] 18 | const BLACK_BISHOP: usize = 7;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_KNIGHT`
[INFO] [stderr]   --> src/zobrist.rs:19:1
[INFO] [stderr]    |
[INFO] [stderr] 19 | const BLACK_KNIGHT: usize = 8;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_ROOK`
[INFO] [stderr]   --> src/zobrist.rs:20:1
[INFO] [stderr]    |
[INFO] [stderr] 20 | const BLACK_ROOK: usize = 9;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_QUEEN`
[INFO] [stderr]   --> src/zobrist.rs:21:1
[INFO] [stderr]    |
[INFO] [stderr] 21 | const BLACK_QUEEN: usize = 10;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `BLACK_KING`
[INFO] [stderr]   --> src/zobrist.rs:22:1
[INFO] [stderr]    |
[INFO] [stderr] 22 | const BLACK_KING: usize = 11;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `hash`
[INFO] [stderr]   --> src/zobrist.rs:52:5
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn hash(&self, board: &Board) -> u64 {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `print_position`
[INFO] [stderr]   --> src/main.rs:42:1
[INFO] [stderr]    |
[INFO] [stderr] 42 | fn print_position(input: &Vec<&str>) {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `"docker" "inspect" "4a56d88df3e1e414d5c092a91a80742e3713b96307aa392ff0478ab18f63308e"`
[INFO] running `"docker" "rm" "-f" "4a56d88df3e1e414d5c092a91a80742e3713b96307aa392ff0478ab18f63308e"`
[INFO] [stdout] 4a56d88df3e1e414d5c092a91a80742e3713b96307aa392ff0478ab18f63308e