[INFO] fetching crate gorrosion 0.1.3...
[INFO] linting gorrosion-0.1.3 against nightly for clippy-nonminimal_bool-denied
[INFO] extracting crate gorrosion 0.1.3 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate gorrosion 0.1.3
[INFO] finished tweaking crates.io crate gorrosion 0.1.3
[INFO] tweaked toml for crates.io crate gorrosion 0.1.3 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate gorrosion 0.1.3 on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98a372eb9abe5159d6abe3da7e4b0ab9e43cf27e18aa5228f83098ab9be7db9f
[INFO] running `Command { std: "docker" "start" "-a" "98a372eb9abe5159d6abe3da7e4b0ab9e43cf27e18aa5228f83098ab9be7db9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98a372eb9abe5159d6abe3da7e4b0ab9e43cf27e18aa5228f83098ab9be7db9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98a372eb9abe5159d6abe3da7e4b0ab9e43cf27e18aa5228f83098ab9be7db9f", kill_on_drop: false }`
[INFO] [stdout] 98a372eb9abe5159d6abe3da7e4b0ab9e43cf27e18aa5228f83098ab9be7db9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3cfcb5a47c93332ee0cc365198b139288a99fa05dbf2d3c1e1ce26ae58639f09
[INFO] running `Command { std: "docker" "start" "-a" "3cfcb5a47c93332ee0cc365198b139288a99fa05dbf2d3c1e1ce26ae58639f09", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking gorrosion v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: using tabs in doc comments is not recommended
[INFO] [stdout]   --> src/core/util/bool_vec.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ///    assert_eq!(falses[i], false);
[INFO] [stdout]    |        ^^^^ help: consider using four spaces per tab
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#tabs_in_doc_comments
[INFO] [stdout]    = note: `#[warn(clippy::tabs_in_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using tabs in doc comments is not recommended
[INFO] [stdout]   --> src/core/util/bool_vec.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     ///    assert_eq!(trues[i], true);
[INFO] [stdout]    |        ^^^^ help: consider using four spaces per tab
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#tabs_in_doc_comments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlayerState` is never constructed
[INFO] [stdout]   --> src/core/game.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct PlayerState<'board, T: 'board + Board> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place_stone`, `survivors`, `kill`, and `kill_dead` are never used
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | / impl<'board, T> PlayerState<'board, T>
[INFO] [stdout] 35 | | where
[INFO] [stdout] 36 | |     T: Board,
[INFO] [stdout]    | |_____________- methods in this implementation
[INFO] [stdout] 37 |   {
[INFO] [stdout] 38 |       fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |       fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |       fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]   --> src/core/game.rs:74:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum Color {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `other` is never used
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Color {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameState` is never constructed
[INFO] [stdout]   --> src/core/game.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct GameState<'board, T: 'board + Board> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `free`, `kill_dead`, `player_state`, and `place_stone` are never used
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | / impl<'board, T> GameState<'board, T>
[INFO] [stdout] 112 | | where
[INFO] [stdout] 113 | |     T: Board,
[INFO] [stdout]     | |_____________- methods in this implementation
[INFO] [stdout] 114 |   {
[INFO] [stdout] 115 |       fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |       fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |       fn player_state(
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |       fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]    --> src/core/game.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum Action<Index: Copy> {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]    --> src/core/game.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | struct Move<T: Board> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocalRules` is never constructed
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rules` is never constructed
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameNode` is never constructed
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rules` is never used
[INFO] [stdout]  --> src/core/rules.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Rules<T: Board> {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/core/board.rs:143:3
[INFO] [stdout]     |
[INFO] [stdout] 143 |         &self.rect.adjacencies()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `self.rect.adjacencies()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/core/board.rs:171:3
[INFO] [stdout]     |
[INFO] [stdout] 171 |         assert_eq!(eight_steps[((0, 0), (5, 3))], true);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_assert_comparison)]` on by default
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 171 -         assert_eq!(eight_steps[((0, 0), (5, 3))], true);
[INFO] [stdout] 171 +         assert!(eight_steps[((0, 0), (5, 3))]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/core/game.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let new_connections = conn * adj * conn;
[INFO] [stdout]    |             ---------------------------------------- unnecessary `let` binding
[INFO] [stdout] 47 |             new_connections
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 46 ~             
[INFO] [stdout] 47 ~             conn * adj * conn
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using tabs in doc comments is not recommended
[INFO] [stdout]   --> src/core/util/bool_vec.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     ///    assert_eq!(falses[i], false);
[INFO] [stdout]    |        ^^^^ help: consider using four spaces per tab
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#tabs_in_doc_comments
[INFO] [stdout]    = note: `#[warn(clippy::tabs_in_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: using tabs in doc comments is not recommended
[INFO] [stdout]   --> src/core/util/bool_vec.rs:71:5
[INFO] [stdout]    |
[INFO] [stdout] 71 |     ///    assert_eq!(trues[i], true);
[INFO] [stdout]    |        ^^^^ help: consider using four spaces per tab
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#tabs_in_doc_comments
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/core/rules.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |         !self.outcome(game).is_none()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.outcome(game).is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `.map(...).any(identity)`
[INFO] [stdout]    --> src/core/util/bool_mat.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |               (0..len).map(|k| {
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 151 | |                 self.contents[(j, k)] & other.contents[(k, l)]
[INFO] [stdout] 152 | |             }).any(|b| b)
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_all_any_identity
[INFO] [stdout]     = note: `#[warn(clippy::map_all_any_identity)]` on by default
[INFO] [stdout] help: use `.any(...)` instead
[INFO] [stdout]     |
[INFO] [stdout] 150 ~             (0..len).any(|k| {
[INFO] [stdout] 151 ~                 self.contents[(j, k)] & other.contents[(k, l)]
[INFO] [stdout] 152 ~             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'now
[INFO] [stdout]    --> src/core/util/bool_mat.rs:170:6
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl<'now, J, K, L> Mul<BoolMat<K, L>> for &'now BoolMat<J, K>
[INFO] [stdout]     |      ^^^^                                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::needless_lifetimes)]` on by default
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 170 - impl<'now, J, K, L> Mul<BoolMat<K, L>> for &'now BoolMat<J, K>
[INFO] [stdout] 170 + impl<J, K, L> Mul<BoolMat<K, L>> for &BoolMat<J, K>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'now
[INFO] [stdout]    --> src/core/util/bool_vec.rs:187:6
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl<'now, I> BitAnd for &'now BoolVec<I>
[INFO] [stdout]     |      ^^^^                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 187 - impl<'now, I> BitAnd for &'now BoolVec<I>
[INFO] [stdout] 187 + impl<I> BitAnd for &BoolVec<I>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'now
[INFO] [stdout]    --> src/core/util/bool_vec.rs:198:6
[INFO] [stdout]     |
[INFO] [stdout] 198 | impl<'now, I> BitOr for &'now BoolVec<I>
[INFO] [stdout]     |      ^^^^                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 198 - impl<'now, I> BitOr for &'now BoolVec<I>
[INFO] [stdout] 198 + impl<I> BitOr for &BoolVec<I>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'now
[INFO] [stdout]    --> src/core/util/bool_vec.rs:209:6
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl<'now, I> Not for &'now BoolVec<I>
[INFO] [stdout]     |      ^^^^              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 209 - impl<'now, I> Not for &'now BoolVec<I>
[INFO] [stdout] 209 + impl<I> Not for &BoolVec<I>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/core/util/bool_vec.rs:231:4
[INFO] [stdout]     |
[INFO] [stdout] 231 |             assert_eq!(falses[i], false);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 231 -             assert_eq!(falses[i], false);
[INFO] [stdout] 231 +             assert!(!falses[i]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: used `assert_eq!` with a literal bool
[INFO] [stdout]    --> src/core/util/bool_vec.rs:236:4
[INFO] [stdout]     |
[INFO] [stdout] 236 |             assert_eq!(trues[i], true);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_assert_comparison
[INFO] [stdout] help: replace it with `assert!(..)`
[INFO] [stdout]     |
[INFO] [stdout] 236 -             assert_eq!(trues[i], true);
[INFO] [stdout] 236 +             assert!(trues[i]);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PlayerState` is never constructed
[INFO] [stdout]   --> src/core/game.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct PlayerState<'board, T: 'board + Board> {
[INFO] [stdout]    |        ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `place_stone`, `survivors`, `kill`, and `kill_dead` are never used
[INFO] [stdout]   --> src/core/game.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | / impl<'board, T> PlayerState<'board, T>
[INFO] [stdout] 35 | | where
[INFO] [stdout] 36 | |     T: Board,
[INFO] [stdout]    | |_____________- methods in this implementation
[INFO] [stdout] 37 |   {
[INFO] [stdout] 38 |       fn place_stone(&mut self, i: <T::I as Indexer>::Index) {
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 51 |       fn survivors(&self, free: &BoolVec<T::I>) -> BoolVec<T::I> {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |       fn kill(&mut self, zombies: &BoolVec<T::I>) {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 67 |       fn kill_dead(&mut self, liberties: &BoolVec<T::I>) {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Color` is never used
[INFO] [stdout]   --> src/core/game.rs:74:6
[INFO] [stdout]    |
[INFO] [stdout] 74 | enum Color {
[INFO] [stdout]    |      ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `other` is never used
[INFO] [stdout]   --> src/core/game.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 79 | impl Color {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 80 |     fn other(&self) -> Color {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameState` is never constructed
[INFO] [stdout]   --> src/core/game.rs:89:8
[INFO] [stdout]    |
[INFO] [stdout] 89 | struct GameState<'board, T: 'board + Board> {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `free`, `kill_dead`, `player_state`, and `place_stone` are never used
[INFO] [stdout]    --> src/core/game.rs:115:5
[INFO] [stdout]     |
[INFO] [stdout] 111 | / impl<'board, T> GameState<'board, T>
[INFO] [stdout] 112 | | where
[INFO] [stdout] 113 | |     T: Board,
[INFO] [stdout]     | |_____________- methods in this implementation
[INFO] [stdout] 114 |   {
[INFO] [stdout] 115 |       fn free(&self) -> BoolVec<T::I> {
[INFO] [stdout]     |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 121 |       fn kill_dead(&mut self, color: Color) {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 126 |       fn player_state(
[INFO] [stdout]     |          ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 136 |       fn place_stone(&mut self, i: <T::I as Indexer>::Index, color: Color) {
[INFO] [stdout]     |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Action` is never used
[INFO] [stdout]    --> src/core/game.rs:165:6
[INFO] [stdout]     |
[INFO] [stdout] 165 | enum Action<Index: Copy> {
[INFO] [stdout]     |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Move` is never constructed
[INFO] [stdout]    --> src/core/game.rs:172:8
[INFO] [stdout]     |
[INFO] [stdout] 172 | struct Move<T: Board> {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LocalRules` is never constructed
[INFO] [stdout]    --> src/core/game.rs:177:8
[INFO] [stdout]     |
[INFO] [stdout] 177 | struct LocalRules {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Rules` is never constructed
[INFO] [stdout]    --> src/core/game.rs:182:8
[INFO] [stdout]     |
[INFO] [stdout] 182 | struct Rules {
[INFO] [stdout]     |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `GameNode` is never constructed
[INFO] [stdout]    --> src/core/game.rs:190:8
[INFO] [stdout]     |
[INFO] [stdout] 190 | struct GameNode<'a, 'board: 'a, T: 'board + Board> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Rules` is never used
[INFO] [stdout]  --> src/core/rules.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | trait Rules<T: Board> {
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler
[INFO] [stdout]    --> src/core/board.rs:143:3
[INFO] [stdout]     |
[INFO] [stdout] 143 |         &self.rect.adjacencies()
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^ help: change this to: `self.rect.adjacencies()`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow
[INFO] [stdout]     = note: `#[warn(clippy::needless_borrow)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: returning the result of a `let` binding from a block
[INFO] [stdout]   --> src/core/game.rs:47:4
[INFO] [stdout]    |
[INFO] [stdout] 46 |             let new_connections = conn * adj * conn;
[INFO] [stdout]    |             ---------------------------------------- unnecessary `let` binding
[INFO] [stdout] 47 |             new_connections
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stdout]    = note: `#[warn(clippy::let_and_return)]` on by default
[INFO] [stdout] help: return the expression directly
[INFO] [stdout]    |
[INFO] [stdout] 46 ~             
[INFO] [stdout] 47 ~             conn * adj * conn
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/core/rules.rs:14:3
[INFO] [stdout]    |
[INFO] [stdout] 14 |         !self.outcome(game).is_none()
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.outcome(game).is_some()`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: usage of `.map(...).any(identity)`
[INFO] [stdout]    --> src/core/util/bool_mat.rs:150:13
[INFO] [stdout]     |
[INFO] [stdout] 150 |               (0..len).map(|k| {
[INFO] [stdout]     |  ______________________^
[INFO] [stdout] 151 | |                 self.contents[(j, k)] & other.contents[(k, l)]
[INFO] [stdout] 152 | |             }).any(|b| b)
[INFO] [stdout]     | |_________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#map_all_any_identity
[INFO] [stdout]     = note: `#[warn(clippy::map_all_any_identity)]` on by default
[INFO] [stdout] help: use `.any(...)` instead
[INFO] [stdout]     |
[INFO] [stdout] 150 ~             (0..len).any(|k| {
[INFO] [stdout] 151 ~                 self.contents[(j, k)] & other.contents[(k, l)]
[INFO] [stdout] 152 ~             })
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'now
[INFO] [stdout]    --> src/core/util/bool_mat.rs:170:6
[INFO] [stdout]     |
[INFO] [stdout] 170 | impl<'now, J, K, L> Mul<BoolMat<K, L>> for &'now BoolMat<J, K>
[INFO] [stdout]     |      ^^^^                                   ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout]     = note: `#[warn(clippy::needless_lifetimes)]` on by default
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 170 - impl<'now, J, K, L> Mul<BoolMat<K, L>> for &'now BoolMat<J, K>
[INFO] [stdout] 170 + impl<J, K, L> Mul<BoolMat<K, L>> for &BoolMat<J, K>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'now
[INFO] [stdout]    --> src/core/util/bool_vec.rs:187:6
[INFO] [stdout]     |
[INFO] [stdout] 187 | impl<'now, I> BitAnd for &'now BoolVec<I>
[INFO] [stdout]     |      ^^^^                 ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 187 - impl<'now, I> BitAnd for &'now BoolVec<I>
[INFO] [stdout] 187 + impl<I> BitAnd for &BoolVec<I>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'now
[INFO] [stdout]    --> src/core/util/bool_vec.rs:198:6
[INFO] [stdout]     |
[INFO] [stdout] 198 | impl<'now, I> BitOr for &'now BoolVec<I>
[INFO] [stdout]     |      ^^^^                ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 198 - impl<'now, I> BitOr for &'now BoolVec<I>
[INFO] [stdout] 198 + impl<I> BitOr for &BoolVec<I>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the following explicit lifetimes could be elided: 'now
[INFO] [stdout]    --> src/core/util/bool_vec.rs:209:6
[INFO] [stdout]     |
[INFO] [stdout] 209 | impl<'now, I> Not for &'now BoolVec<I>
[INFO] [stdout]     |      ^^^^              ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_lifetimes
[INFO] [stdout] help: elide the lifetimes
[INFO] [stdout]     |
[INFO] [stdout] 209 - impl<'now, I> Not for &'now BoolVec<I>
[INFO] [stdout] 209 + impl<I> Not for &BoolVec<I>
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] running `Command { std: "docker" "inspect" "3cfcb5a47c93332ee0cc365198b139288a99fa05dbf2d3c1e1ce26ae58639f09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3cfcb5a47c93332ee0cc365198b139288a99fa05dbf2d3c1e1ce26ae58639f09", kill_on_drop: false }`
[INFO] [stdout] 3cfcb5a47c93332ee0cc365198b139288a99fa05dbf2d3c1e1ce26ae58639f09