[INFO] cloning repository https://github.com/lolepop/mcts.rs [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lolepop/mcts.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolepop%2Fmcts.rs", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolepop%2Fmcts.rs'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7c68667147ef1745dca2cb19d4d7241efc4d0ac0 [INFO] checking lolepop/mcts.rs against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolepop%2Fmcts.rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. 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[INFO] [stderr] Downloaded tikv-jemallocator v0.5.4 [INFO] [stderr] Downloaded anyhow v1.0.81 [INFO] [stderr] Downloaded cc v1.0.92 [INFO] [stderr] Downloaded tikv-jemalloc-sys v0.5.4+5.3.0-patched [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 77a0d7d8e8667fc3969e4d221d2b5601d3b8b2b3f0e1908be5df44e18547693a [INFO] running `Command { std: "docker" "start" "-a" "77a0d7d8e8667fc3969e4d221d2b5601d3b8b2b3f0e1908be5df44e18547693a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "77a0d7d8e8667fc3969e4d221d2b5601d3b8b2b3f0e1908be5df44e18547693a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "77a0d7d8e8667fc3969e4d221d2b5601d3b8b2b3f0e1908be5df44e18547693a", kill_on_drop: false }` [INFO] [stdout] 77a0d7d8e8667fc3969e4d221d2b5601d3b8b2b3f0e1908be5df44e18547693a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 45857a670268b1205645bca63546c4c16d23d08a68ed27157b22e7ef730e6fda [INFO] running `Command { std: "docker" "start" "-a" "45857a670268b1205645bca63546c4c16d23d08a68ed27157b22e7ef730e6fda", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cc v1.0.92 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking allocator-api2 v0.2.16 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling tikv-jemalloc-sys v0.5.4+5.3.0-patched [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking tikv-jemallocator v0.5.4 [INFO] [stderr] Checking mcts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `best_score` [INFO] [stdout] --> src/game.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | let (best_move, best_score) = self.best_descendant(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_score` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `best_score` [INFO] [stdout] --> src/game.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | let (best_move, best_score) = self.best_descendant(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_score` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/game.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl MctsTree { [INFO] [stdout] | ------------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/game.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl MctsTree { [INFO] [stdout] | ------------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `tikv_jemallocator::Jemalloc` [INFO] [stdout] --> src/main.rs:37:9 [INFO] [stdout] | [INFO] [stdout] 37 | use tikv_jemallocator::Jemalloc; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `best_score` [INFO] [stdout] --> src/game.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | let (best_move, best_score) = self.best_descendant(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_score` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `score` [INFO] [stdout] --> src/tictactoe.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | if let Some(score) = h.iter().chain(v.iter()).find(|s| s.abs() == 3) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `best_score` [INFO] [stdout] --> src/game.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | let (best_move, best_score) = self.best_descendant(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_score` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `score` [INFO] [stdout] --> src/tictactoe.rs:56:21 [INFO] [stdout] | [INFO] [stdout] 56 | if let Some(score) = h.iter().chain(v.iter()).find(|s| s.abs() == 3) { [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_score` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `uct` is never used [INFO] [stdout] --> src/game.rs:7:4 [INFO] [stdout] | [INFO] [stdout] 7 | fn uct(score: f32, visits: u32, total_visits: u32, c: f32) -> f32 { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `MoveScore` is never used [INFO] [stdout] --> src/game.rs:16:10 [INFO] [stdout] | [INFO] [stdout] 16 | pub enum MoveScore { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MoveScore` 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: methods `is_terminal` and `score` are never used [INFO] [stdout] --> src/game.rs:23:8 [INFO] [stdout] | [INFO] [stdout] 22 | impl MoveScore { [INFO] [stdout] | -------------- methods in this implementation [INFO] [stdout] 23 | fn is_terminal(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 30 | fn score(&self) -> f32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Game` is never used [INFO] [stdout] --> src/game.rs:38:11 [INFO] [stdout] | [INFO] [stdout] 38 | pub trait Game: Clone + Debug { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `NodeId` is never constructed [INFO] [stdout] --> src/game.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 53 | struct NodeId(usize); [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MctsNode` is never constructed [INFO] [stdout] --> src/game.rs:63:8 [INFO] [stdout] | [INFO] [stdout] 63 | struct MctsNode { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `MctsTree` is never constructed [INFO] [stdout] --> src/game.rs:69:8 [INFO] [stdout] | [INFO] [stdout] 69 | struct MctsTree { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `add_child`, `children`, `node`, `len`, and `dump` are never used [INFO] [stdout] --> src/game.rs:75:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl MctsTree { [INFO] [stdout] | ------------------------------------------ associated items in this implementation [INFO] [stdout] 75 | fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 82 | fn add_child(&mut self, node: NodeId, placement_move: Move) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | fn children(&self, node: NodeId) -> Option> { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 98 | fn node(&self, node: NodeId) -> Option<&MctsNode> { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn dump(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Mcts` is never constructed [INFO] [stdout] --> src/game.rs:129:12 [INFO] [stdout] | [INFO] [stdout] 129 | pub struct Mcts { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/game.rs:136:12 [INFO] [stdout] | [INFO] [stdout] 135 | impl Mcts { [INFO] [stdout] | --------------------- associated items in this implementation [INFO] [stdout] 136 | pub fn new(player_id: G::Player) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 140 | fn diff_existing_children(&self, existing: &Vec, truth: &Vec) -> Either, Vec> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 162 | fn select(&mut self, game: &mut G) -> Result> { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 233 | fn rollout(&mut self, game: &mut G) -> Result { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 246 | fn backpropagate(&mut self, traversal: &Vec<(NodeId, MoveScore)>, rollout_score: f32) { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 257 | fn best_descendant(&self) -> (&MctsNode<::Move>, f32) { [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 266 | pub fn best_move(&mut self, base_game: &G, iterations: usize, retry_failed: bool) -> G::Move { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 304 | pub fn dump_tree(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Win`, `Draw`, and `Continue` are never constructed [INFO] [stdout] --> src/tictactoe.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum WinState { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 7 | Win, [INFO] [stdout] | ^^^ [INFO] [stdout] 8 | // Loss, [INFO] [stdout] 9 | Draw, [INFO] [stdout] | ^^^^ [INFO] [stdout] 10 | Continue [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `WinState` 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: struct `TicTacToe` is never constructed [INFO] [stdout] --> src/tictactoe.rs:14:19 [INFO] [stdout] | [INFO] [stdout] 14 | pub(crate) struct TicTacToe { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new`, `next_player`, `end_state`, and `print` are never used [INFO] [stdout] --> src/tictactoe.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl TicTacToe { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 21 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 29 | fn next_player(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 33 | fn end_state(&self) -> WinState { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Win` and `Continue` are never constructed [INFO] [stdout] --> src/uno.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 7 | pub(crate) enum GameState { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 8 | Win, [INFO] [stdout] | ^^^ [INFO] [stdout] 9 | Continue [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Yellow`, `Green`, and `Blue` are never constructed [INFO] [stdout] --> src/uno.rs:13:31 [INFO] [stdout] | [INFO] [stdout] 13 | pub(crate) enum Colour { Red, Yellow, Green, Blue } [INFO] [stdout] | ------ ^^^^^^ ^^^^^ ^^^^ [INFO] [stdout] | | [INFO] [stdout] | variants in this enum [INFO] [stdout] | [INFO] [stdout] = note: `Colour` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `Card` is never used [INFO] [stdout] --> src/uno.rs:16:17 [INFO] [stdout] | [INFO] [stdout] 16 | pub(crate) enum Card { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Draw`, `Reverse`, `Skip`, `Wild`, and `ActionDraw` are never constructed [INFO] [stdout] --> src/uno.rs:27:5 [INFO] [stdout] | [INFO] [stdout] 25 | pub(crate) enum PlayerMove { [INFO] [stdout] | ---------- variants in this enum [INFO] [stdout] 26 | Number(Colour, u8), [INFO] [stdout] 27 | Draw(Colour, u8), [INFO] [stdout] | ^^^^ [INFO] [stdout] 28 | Reverse(Colour), [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 29 | Skip(Colour), [INFO] [stdout] | ^^^^ [INFO] [stdout] 30 | Wild(Colour, u8), [INFO] [stdout] | ^^^^ [INFO] [stdout] 31 | // non placements [INFO] [stdout] 32 | ActionDraw [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `PlayerMove` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `as_card`, `colour`, and `is_number` are never used [INFO] [stdout] --> src/uno.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl PlayerMove { [INFO] [stdout] | --------------- methods in this implementation [INFO] [stdout] 35 | fn as_card(self) -> Option { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 46 | fn colour(&self) -> Option { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 53 | fn is_number(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Uno` is never constructed [INFO] [stdout] --> src/uno.rs:66:19 [INFO] [stdout] | [INFO] [stdout] 66 | pub(crate) struct Uno { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/uno.rs:77:12 [INFO] [stdout] | [INFO] [stdout] 76 | impl Uno { [INFO] [stdout] | -------- associated items in this implementation [INFO] [stdout] 77 | pub fn new(deck: HashMap, num_players: usize, initial_player_cards: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 100 | fn draw_card_for_player(&mut self, player: usize, cards: usize) -> Result<()> { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 114 | fn draw_hand(&mut self, cards: usize, number_only: bool) -> Result> { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 138 | fn random_weighted_card(&self, number_only: bool) -> Option { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 159 | fn player_card_count(&self, player: usize) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 165 | fn shift_purgatory_into_stack(&mut self) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 173 | pub fn standard_deck(num_players: usize) -> Self { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 191 | fn update_move(&mut self, card: Option, pmove: PlayerMove) -> Result { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 202 | fn next_player(&mut self, scale: u8) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 22 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `NonTerminal` is never constructed [INFO] [stdout] --> src/game.rs:18:5 [INFO] [stdout] | [INFO] [stdout] 16 | pub enum MoveScore { [INFO] [stdout] | --------- variant in this enum [INFO] [stdout] 17 | Terminal(f32), [INFO] [stdout] 18 | NonTerminal(f32), [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `MoveScore` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `len` and `dump` are never used [INFO] [stdout] --> src/game.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl MctsTree { [INFO] [stdout] | ------------------------------------------ methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 106 | fn dump(&self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `dump_tree` is never used [INFO] [stdout] --> src/game.rs:304:12 [INFO] [stdout] | [INFO] [stdout] 135 | impl Mcts { [INFO] [stdout] | --------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 304 | pub fn dump_tree(&self) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `new` and `print` are never used [INFO] [stdout] --> src/tictactoe.rs:21:12 [INFO] [stdout] | [INFO] [stdout] 20 | impl TicTacToe { [INFO] [stdout] | -------------- associated items in this implementation [INFO] [stdout] 21 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 68 | pub fn print(&self) { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `is_number` is never used [INFO] [stdout] --> src/uno.rs:53:8 [INFO] [stdout] | [INFO] [stdout] 34 | impl PlayerMove { [INFO] [stdout] | --------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 53 | fn is_number(&self) -> bool { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.38s [INFO] running `Command { std: "docker" "inspect" "45857a670268b1205645bca63546c4c16d23d08a68ed27157b22e7ef730e6fda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45857a670268b1205645bca63546c4c16d23d08a68ed27157b22e7ef730e6fda", kill_on_drop: false }` [INFO] [stdout] 45857a670268b1205645bca63546c4c16d23d08a68ed27157b22e7ef730e6fda [INFO] checking lolepop/mcts.rs against try#f9935d29d867449445ee008640ccca1bf1ae0889+rustflags=-Dtail_expr_drop_order for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flolepop%2Fmcts.rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/lolepop/mcts.rs on toolchain f9935d29d867449445ee008640ccca1bf1ae0889 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/lolepop/mcts.rs [INFO] finished tweaking git repo https://github.com/lolepop/mcts.rs [INFO] tweaked toml for git repo https://github.com/lolepop/mcts.rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/lolepop/mcts.rs 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" "+f9935d29d867449445ee008640ccca1bf1ae0889" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] efd447cc0d2b1b3c12befee2a9fac3692ba18b2ff0d18c377f9821cda68880cb [INFO] running `Command { std: "docker" "start" "-a" "efd447cc0d2b1b3c12befee2a9fac3692ba18b2ff0d18c377f9821cda68880cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "efd447cc0d2b1b3c12befee2a9fac3692ba18b2ff0d18c377f9821cda68880cb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "efd447cc0d2b1b3c12befee2a9fac3692ba18b2ff0d18c377f9821cda68880cb", kill_on_drop: false }` [INFO] [stdout] efd447cc0d2b1b3c12befee2a9fac3692ba18b2ff0d18c377f9821cda68880cb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f9935d29d867449445ee008640ccca1bf1ae0889" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ddcfc58289ca102db41d0e656c4105dc311523a9fd673c88df8cc6d98277e818 [INFO] running `Command { std: "docker" "start" "-a" "ddcfc58289ca102db41d0e656c4105dc311523a9fd673c88df8cc6d98277e818", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Compiling cc v1.0.92 [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Checking once_cell v1.19.0 [INFO] [stderr] Checking zerocopy v0.7.32 [INFO] [stderr] Compiling anyhow v1.0.81 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking allocator-api2 v0.2.16 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Compiling ahash v0.8.11 [INFO] [stderr] Checking hashbrown v0.14.3 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking getrandom v0.2.12 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Compiling tikv-jemalloc-sys v0.5.4+5.3.0-patched [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking tikv-jemallocator v0.5.4 [INFO] [stderr] Checking mcts v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `best_score` [INFO] [stdout] --> src/game.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | let (best_move, best_score) = self.best_descendant(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_score` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `best_score` [INFO] [stdout] --> src/game.rs:299:25 [INFO] [stdout] | [INFO] [stdout] 299 | let (best_move, best_score) = self.best_descendant(); [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_best_score` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/game.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl MctsTree { [INFO] [stdout] | ------------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `len` is never used [INFO] [stdout] --> src/game.rs:102:8 [INFO] [stdout] | [INFO] [stdout] 74 | impl MctsTree { [INFO] [stdout] | ------------------------------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 102 | fn len(&self) -> usize { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/game.rs:137:22 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn new(player_id: G::Player) -> Self { [INFO] [stdout] | -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 137 | Self { tree: MctsTree::new(), root: NodeId(0), player_id } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/game.rs:144:31 [INFO] [stdout] | [INFO] [stdout] 144 | .map(|n| (n.placement_move.clone(), *id)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/game.rs:137:22 [INFO] [stdout] | [INFO] [stdout] 136 | pub fn new(player_id: G::Player) -> Self { [INFO] [stdout] | -------------------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 137 | Self { tree: MctsTree::new(), root: NodeId(0), player_id } [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/game.rs:144:31 [INFO] [stdout] | [INFO] [stdout] 144 | .map(|n| (n.placement_move.clone(), *id)) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/game.rs:191:90 [INFO] [stdout] | [INFO] [stdout] 191 | .map(|(i, s)| (i, uct(s.score, s.visits, total_visits, 2f32.sqrt()), s.placement_move.clone())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/game.rs:191:90 [INFO] [stdout] | [INFO] [stdout] 191 | .map(|(i, s)| (i, uct(s.score, s.visits, total_visits, 2f32.sqrt()), s.placement_move.clone())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/game.rs:213:81 [INFO] [stdout] | [INFO] [stdout] 213 | .filter_map(|placement_move| self.tree.add_child(selected_node, placement_move.clone())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/game.rs:213:81 [INFO] [stdout] | [INFO] [stdout] 213 | .filter_map(|placement_move| self.tree.add_child(selected_node, placement_move.clone())) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 4 previous errors; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `mcts` (lib test) due to 5 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `mcts` (lib) due to 5 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "ddcfc58289ca102db41d0e656c4105dc311523a9fd673c88df8cc6d98277e818", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ddcfc58289ca102db41d0e656c4105dc311523a9fd673c88df8cc6d98277e818", kill_on_drop: false }` [INFO] [stdout] ddcfc58289ca102db41d0e656c4105dc311523a9fd673c88df8cc6d98277e818