[INFO] cloning repository https://github.com/ericye16/rusty-tic-tac-toe
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ericye16/rusty-tic-tac-toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] dda5667cea5006f90d7782d60ec13d08a39353bb
[INFO] linting ericye16/rusty-tic-tac-toe against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fericye16%2Frusty-tic-tac-toe" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ericye16/rusty-tic-tac-toe
[INFO] finished tweaking git repo https://github.com/ericye16/rusty-tic-tac-toe
[INFO] tweaked toml for git repo https://github.com/ericye16/rusty-tic-tac-toe written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ericye16/rusty-tic-tac-toe 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] crate git repo https://github.com/ericye16/rusty-tic-tac-toe 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" "+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-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b5155bf4539c1bd0b091ad0c21ec26746254c25aa5baf73521c5ee526533b3e8
[INFO] running `Command { std: "docker" "start" "-a" "b5155bf4539c1bd0b091ad0c21ec26746254c25aa5baf73521c5ee526533b3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5155bf4539c1bd0b091ad0c21ec26746254c25aa5baf73521c5ee526533b3e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5155bf4539c1bd0b091ad0c21ec26746254c25aa5baf73521c5ee526533b3e8", kill_on_drop: false }`
[INFO] [stdout] b5155bf4539c1bd0b091ad0c21ec26746254c25aa5baf73521c5ee526533b3e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c2467df2098226adaceea70bf4569dfdde8c4c698ba0c5432e43f13c7baaf9b4
[INFO] running `Command { std: "docker" "start" "-a" "c2467df2098226adaceea70bf4569dfdde8c4c698ba0c5432e43f13c7baaf9b4", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Checking rusty-tic-tac-toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/game.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     GameState { state: state }
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: replace it with: `state`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: redundant field names in struct initialization
[INFO] [stdout]   --> src/game.rs:46:17
[INFO] [stdout]    |
[INFO] [stdout] 46 |     GameState { state: state }
[INFO] [stdout]    |                 ^^^^^^^^^^^^ help: replace it with: `state`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names
[INFO] [stdout]    = note: `#[warn(clippy::redundant_field_names)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `O` is never constructed
[INFO] [stdout]  --> src/game.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 4 | enum CellState {
[INFO] [stdout]   |      --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |   O,
[INFO] [stdout]   |   ^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CellState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `PlayerStatus` is never used
[INFO] [stdout]   --> src/game.rs:22:10
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub enum PlayerStatus {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `check_winner` is never used
[INFO] [stdout]   --> src/game.rs:74:10
[INFO] [stdout]    |
[INFO] [stdout] 40 | impl GameState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 74 |   pub fn check_winner(&self) -> PlayerStatus {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `E`
[INFO] [stdout]    --> src/game.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let E = Empty;
[INFO] [stdout]     |         ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: you might have meant to pattern match on the similarly named variant `X`
[INFO] [stdout]     |
[INFO] [stdout] 229 -     let E = Empty;
[INFO] [stdout] 229 +     let game::CellState::X = Empty;
[INFO] [stdout]     |
[INFO] [stdout] help: if this is intentional, prefix it with an underscore
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let _E = Empty;
[INFO] [stdout]     |         +
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/game.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |       println!("");
[INFO] [stdout]    |       ^^^^^^^^^--^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/game.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |               winner = winner && true;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: try: `winner`
[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: this boolean expression can be simplified
[INFO] [stdout]   --> src/game.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |               loser = loser && true;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: try: `loser`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:110:24
[INFO] [stdout]     |
[INFO] [stdout] 110 |               winner = winner && true;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ help: try: `winner`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |               loser = loser && true;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ help: try: `loser`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:135:22
[INFO] [stdout]     |
[INFO] [stdout] 135 |             winner = winner && true;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: try: `winner`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |             loser = loser && true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: try: `loser`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |             winner = winner && true;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: try: `winner`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |             loser = loser && true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: try: `loser`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/game.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 |       println!("");
[INFO] [stdout]    |       ^^^^^^^^^--^
[INFO] [stdout]    |                |
[INFO] [stdout]    |                help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]    = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/game.rs:84:24
[INFO] [stdout]    |
[INFO] [stdout] 84 |               winner = winner && true;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^ help: try: `winner`
[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: this boolean expression can be simplified
[INFO] [stdout]   --> src/game.rs:88:23
[INFO] [stdout]    |
[INFO] [stdout] 88 |               loser = loser && true;
[INFO] [stdout]    |                       ^^^^^^^^^^^^^ help: try: `loser`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:110:24
[INFO] [stdout]     |
[INFO] [stdout] 110 |               winner = winner && true;
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ help: try: `winner`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:114:23
[INFO] [stdout]     |
[INFO] [stdout] 114 |               loser = loser && true;
[INFO] [stdout]     |                       ^^^^^^^^^^^^^ help: try: `loser`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:135:22
[INFO] [stdout]     |
[INFO] [stdout] 135 |             winner = winner && true;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: try: `winner`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:139:21
[INFO] [stdout]     |
[INFO] [stdout] 139 |             loser = loser && true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: try: `loser`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:159:22
[INFO] [stdout]     |
[INFO] [stdout] 159 |             winner = winner && true;
[INFO] [stdout]     |                      ^^^^^^^^^^^^^^ help: try: `winner`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]    --> src/game.rs:163:21
[INFO] [stdout]     |
[INFO] [stdout] 163 |             loser = loser && true;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^ help: try: `loser`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `ok().expect()` on a `Result` value
[INFO] [stdout]   --> src/main.rs:9:3
[INFO] [stdout]    |
[INFO] [stdout]  9 | /   io::stdin().read_line(&mut n)
[INFO] [stdout] 10 | |     .ok()
[INFO] [stdout] 11 | |     .expect("failed to read line");
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stdout]    = note: `#[warn(clippy::ok_expect)]` on by default
[INFO] [stdout] help: call `expect()` directly on the `Result`
[INFO] [stdout]    |
[INFO] [stdout]  9 -   io::stdin().read_line(&mut n)
[INFO] [stdout] 10 -     .ok()
[INFO] [stdout] 11 -     .expect("failed to read line");
[INFO] [stdout]  9 +   io::stdin().read_line(&mut n).expect("failed to read line");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/main.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |       Ok(num) if num >= 1 && num <= 3 => num - 1,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ help: use: `(1..=3).contains(&num)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |       Ok(num) if num >= 1 && num <= 3 => num - 1,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ help: use: `(1..=3).contains(&num)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/game.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 80 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 80 +         while let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 80 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 80 +         if let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 106 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 106 +         while let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 106 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 106 +         if let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout] 131 +       while let Some(cell) = self.state.get(get_index(r, r)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout] 131 +       if let Some(cell) = self.state.get(get_index(r, r)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:155:19
[INFO] [stdout]     |
[INFO] [stdout] 155 |       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 155 -       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout] 155 +       while let Some(cell) = self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 155 -       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout] 155 +       if let Some(cell) = self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: called `ok().expect()` on a `Result` value
[INFO] [stdout]   --> src/main.rs:9:3
[INFO] [stdout]    |
[INFO] [stdout]  9 | /   io::stdin().read_line(&mut n)
[INFO] [stdout] 10 | |     .ok()
[INFO] [stdout] 11 | |     .expect("failed to read line");
[INFO] [stdout]    | |__________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ok_expect
[INFO] [stdout]    = note: `#[warn(clippy::ok_expect)]` on by default
[INFO] [stdout] help: call `expect()` directly on the `Result`
[INFO] [stdout]    |
[INFO] [stdout]  9 -   io::stdin().read_line(&mut n)
[INFO] [stdout] 10 -     .ok()
[INFO] [stdout] 11 -     .expect("failed to read line");
[INFO] [stdout]  9 +   io::stdin().read_line(&mut n).expect("failed to read line");
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/main.rs:21:18
[INFO] [stdout]    |
[INFO] [stdout] 21 |       Ok(num) if num >= 1 && num <= 3 => num - 1,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ help: use: `(1..=3).contains(&num)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout]    = note: `#[warn(clippy::manual_range_contains)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: manual `RangeInclusive::contains` implementation
[INFO] [stdout]   --> src/main.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |       Ok(num) if num >= 1 && num <= 3 => num - 1,
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^^^^^^^ help: use: `(1..=3).contains(&num)`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#manual_range_contains
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/game.rs:80:21
[INFO] [stdout]    |
[INFO] [stdout] 80 |         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]    |
[INFO] [stdout] 80 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 80 +         while let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 80 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 80 +         if let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 |         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 106 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 106 +         while let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 106 -         for cell in self.state.get(get_index(r, c)) {
[INFO] [stdout] 106 +         if let Some(cell) = self.state.get(get_index(r, c)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:131:19
[INFO] [stdout]     |
[INFO] [stdout] 131 |       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 131 -       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout] 131 +       while let Some(cell) = self.state.get(get_index(r, r)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 131 -       for cell in self.state.get(get_index(r, r)) {
[INFO] [stdout] 131 +       if let Some(cell) = self.state.get(get_index(r, r)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/game.rs:155:19
[INFO] [stdout]     |
[INFO] [stdout] 155 |       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to check pattern in a loop use `while let`
[INFO] [stdout]     |
[INFO] [stdout] 155 -       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout] 155 +       while let Some(cell) = self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 155 -       for cell in self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout] 155 +       if let Some(cell) = self.state.get(get_index(r, 3 - r)) {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/game.rs:196:9
[INFO] [stdout]     |
[INFO] [stdout] 196 |     let E = Empty;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/game.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |     let E = Empty;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/game.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |     let E = Empty;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `E` should have a snake case name
[INFO] [stdout]    --> src/game.rs:229:9
[INFO] [stdout]     |
[INFO] [stdout] 229 |     let E = Empty;
[INFO] [stdout]     |         ^ help: convert the identifier to snake case: `e`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "c2467df2098226adaceea70bf4569dfdde8c4c698ba0c5432e43f13c7baaf9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2467df2098226adaceea70bf4569dfdde8c4c698ba0c5432e43f13c7baaf9b4", kill_on_drop: false }`
[INFO] [stdout] c2467df2098226adaceea70bf4569dfdde8c4c698ba0c5432e43f13c7baaf9b4