[INFO] updating cached repository https://github.com/craigfay/chess-engine [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] b962f3954542ef2a47f4534cf745a93c820ed272 [INFO] checking craigfay/chess-engine against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcraigfay%2Fchess-engine" "/workspace/builds/worker-1/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/craigfay/chess-engine on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/craigfay/chess-engine [INFO] finished tweaking git repo https://github.com/craigfay/chess-engine [INFO] tweaked toml for git repo https://github.com/craigfay/chess-engine written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/craigfay/chess-engine already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] b816001b7212fcdb7408e1424aabcbcdbacd46eafbb09b41a9e2090624529ecc [INFO] running `"docker" "start" "-a" "b816001b7212fcdb7408e1424aabcbcdbacd46eafbb09b41a9e2090624529ecc"` [INFO] [stderr] Checking chess-engine v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `Color` [INFO] [stderr] --> src/actions.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | Color, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `legal_actions`, `legal_next_states` [INFO] [stderr] --> src/actions.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | legal_actions, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 25 | legal_next_states, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::gamestate::GameState` [INFO] [stderr] --> src/pieces.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::gamestate::GameState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::gamestate::GameState` [INFO] [stderr] --> src/notation.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::gamestate::GameState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Black`, `Pawn`, `White` [INFO] [stderr] --> src/notation.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | Pawn [INFO] [stderr] | ^^^^ [INFO] [stderr] 9 | }, [INFO] [stderr] 10 | Color::{White,Black}, [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Piece` [INFO] [stderr] --> src/utilities.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Piece, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `color_is_checked`, `color_threatens_square`, `is_checkmate`, `is_stalemate`, `legal_actions`, `position_delta` [INFO] [stderr] --> src/tests.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | color_threatens_square, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 4 | color_is_checked, [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] 5 | position_delta, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] 6 | legal_actions, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 7 | is_checkmate, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] 8 | is_stalemate, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Action`, `Capture`, `Castle`, `EnPassant`, `Kingside`, `Move`, `Promotion`, `Queenside` [INFO] [stderr] --> src/tests.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | Action, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 13 | Move, [INFO] [stderr] | ^^^^ [INFO] [stderr] 14 | Capture, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 15 | Promotion, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 16 | Castle, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 17 | CastleDirection::{Kingside, Queenside}, [INFO] [stderr] | ^^^^^^^^ ^^^^^^^^^ [INFO] [stderr] 18 | EnPassant, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `GameState`, `Placement` [INFO] [stderr] --> src/tests.rs:22:5 [INFO] [stderr] | [INFO] [stderr] 22 | GameState, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] 23 | Placement, [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Bishop`, `Black`, `King`, `Knight`, `Pawn`, `Piece`, `Queen`, `Rook`, `White` [INFO] [stderr] --> src/tests.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | Piece, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 28 | PieceName::{ [INFO] [stderr] 29 | Pawn, [INFO] [stderr] | ^^^^ [INFO] [stderr] 30 | Rook, [INFO] [stderr] | ^^^^ [INFO] [stderr] 31 | Bishop, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 32 | Knight, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] 33 | Queen, [INFO] [stderr] | ^^^^^ [INFO] [stderr] 34 | King, [INFO] [stderr] | ^^^^ [INFO] [stderr] 35 | }, [INFO] [stderr] 36 | Color::{White, Black}, [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `square_algebraic_to_index`, `square_index_to_algebraic` [INFO] [stderr] --> src/tests.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | square_index_to_algebraic, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 41 | square_algebraic_to_index, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Color` [INFO] [stderr] --> src/actions.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | Color, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `legal_actions`, `legal_next_states` [INFO] [stderr] --> src/actions.rs:24:5 [INFO] [stderr] | [INFO] [stderr] 24 | legal_actions, [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] 25 | legal_next_states, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::gamestate::GameState` [INFO] [stderr] --> src/pieces.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::gamestate::GameState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::gamestate::GameState` [INFO] [stderr] --> src/notation.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use crate::gamestate::GameState; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Black`, `Pawn`, `White` [INFO] [stderr] --> src/notation.rs:8:9 [INFO] [stderr] | [INFO] [stderr] 8 | Pawn [INFO] [stderr] | ^^^^ [INFO] [stderr] 9 | }, [INFO] [stderr] 10 | Color::{White,Black}, [INFO] [stderr] | ^^^^^ ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Piece` [INFO] [stderr] --> src/utilities.rs:11:5 [INFO] [stderr] | [INFO] [stderr] 11 | Piece, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `Piece` [INFO] [stderr] --> src/tests.rs:27:5 [INFO] [stderr] | [INFO] [stderr] 27 | Piece, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `square_index_to_algebraic` [INFO] [stderr] --> src/tests.rs:40:5 [INFO] [stderr] | [INFO] [stderr] 40 | square_index_to_algebraic, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta_x` [INFO] [stderr] --> src/actions.rs:149:14 [INFO] [stderr] | [INFO] [stderr] 149 | let (delta_x, delta_y) = position_delta(self.from, self.to); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta_x` [INFO] [stderr] --> src/actions.rs:267:14 [INFO] [stderr] | [INFO] [stderr] 267 | let (delta_x, delta_y) = position_delta(self.with, self.on); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta_y` [INFO] [stderr] --> src/actions.rs:267:23 [INFO] [stderr] | [INFO] [stderr] 267 | let (delta_x, delta_y) = position_delta(self.with, self.on); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_y` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | let mut origin_rank = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | let mut origin_file = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:193:13 [INFO] [stderr] | [INFO] [stderr] 193 | let mut origin_rank = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | let mut origin_file = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:292:13 [INFO] [stderr] | [INFO] [stderr] 292 | let mut origin_file = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:516:13 [INFO] [stderr] | [INFO] [stderr] 516 | let mut origin_file = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:517:13 [INFO] [stderr] | [INFO] [stderr] 517 | let mut capture_indicator = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `square_index_to_algebraic` [INFO] [stderr] --> src/notation.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn square_index_to_algebraic(square: usize) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `square_algebraic_to_index` [INFO] [stderr] --> src/notation.rs:21:8 [INFO] [stderr] | [INFO] [stderr] 21 | pub fn square_algebraic_to_index(s: &str) -> Option { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: 23 warnings emitted [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta_x` [INFO] [stderr] --> src/actions.rs:149:14 [INFO] [stderr] | [INFO] [stderr] 149 | let (delta_x, delta_y) = position_delta(self.from, self.to); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta_x` [INFO] [stderr] --> src/actions.rs:267:14 [INFO] [stderr] | [INFO] [stderr] 267 | let (delta_x, delta_y) = position_delta(self.with, self.on); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_x` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `delta_y` [INFO] [stderr] --> src/actions.rs:267:23 [INFO] [stderr] | [INFO] [stderr] 267 | let (delta_x, delta_y) = position_delta(self.with, self.on); [INFO] [stderr] | ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_delta_y` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `action` [INFO] [stderr] --> src/tests.rs:1005:9 [INFO] [stderr] | [INFO] [stderr] 1005 | let action = Move { from: 29, to: 20 }; [INFO] [stderr] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_action` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:95:13 [INFO] [stderr] | [INFO] [stderr] 95 | let mut origin_rank = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:96:13 [INFO] [stderr] | [INFO] [stderr] 96 | let mut origin_file = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:193:13 [INFO] [stderr] | [INFO] [stderr] 193 | let mut origin_rank = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:194:13 [INFO] [stderr] | [INFO] [stderr] 194 | let mut origin_file = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:292:13 [INFO] [stderr] | [INFO] [stderr] 292 | let mut origin_file = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:516:13 [INFO] [stderr] | [INFO] [stderr] 516 | let mut origin_file = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/actions.rs:517:13 [INFO] [stderr] | [INFO] [stderr] 517 | let mut capture_indicator = &mut String::with_capacity(1); [INFO] [stderr] | ----^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:495:9 [INFO] [stderr] | [INFO] [stderr] 495 | let mut state = GameState::with_placements(vec![ [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/tests.rs:1248:9 [INFO] [stderr] | [INFO] [stderr] 1248 | let mut state = GameState::with_placements(vec![ [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `square_index_to_algebraic` [INFO] [stderr] --> src/notation.rs:14:8 [INFO] [stderr] | [INFO] [stderr] 14 | pub fn square_index_to_algebraic(square: usize) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 22 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1.23s [INFO] running `"docker" "inspect" "b816001b7212fcdb7408e1424aabcbcdbacd46eafbb09b41a9e2090624529ecc"` [INFO] running `"docker" "rm" "-f" "b816001b7212fcdb7408e1424aabcbcdbacd46eafbb09b41a9e2090624529ecc"` [INFO] [stdout] b816001b7212fcdb7408e1424aabcbcdbacd46eafbb09b41a9e2090624529ecc