[INFO] updating cached repository moratorium08/reversi-ai
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/moratorium08/reversi-ai
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/moratorium08/reversi-ai" "work/ex/beta-1.37-6/sources/1.36.0/gh/moratorium08/reversi-ai"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/moratorium08/reversi-ai'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/moratorium08/reversi-ai" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/moratorium08/reversi-ai"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/moratorium08/reversi-ai'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 152e93a6f9e170378dca6f9ef0b878a155ba35aa
[INFO] sha for GitHub repo moratorium08/reversi-ai: 152e93a6f9e170378dca6f9ef0b878a155ba35aa
[INFO] validating manifest of moratorium08/reversi-ai on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of moratorium08/reversi-ai on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing moratorium08/reversi-ai
[INFO] finished frobbing moratorium08/reversi-ai
[INFO] frobbed toml for moratorium08/reversi-ai written to work/ex/beta-1.37-6/sources/1.36.0/gh/moratorium08/reversi-ai/Cargo.toml
[INFO] started frobbing moratorium08/reversi-ai
[INFO] finished frobbing moratorium08/reversi-ai
[INFO] frobbed toml for moratorium08/reversi-ai written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/moratorium08/reversi-ai/Cargo.toml
[INFO] crate moratorium08/reversi-ai already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing moratorium08/reversi-ai against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/moratorium08/reversi-ai:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 40935743f60b55c7fa7c76a7d5cb62a8529ba8db1a9bd0da2587ac7cc66f7844
[INFO] running `"docker" "start" "-a" "40935743f60b55c7fa7c76a7d5cb62a8529ba8db1a9bd0da2587ac7cc66f7844"`
[INFO] [stderr]    Compiling colored v1.6.1
[INFO] [stderr]    Compiling client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:246:28
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn flip(&self, p: &BitIndexable, player: Color) -> Board {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:401:30
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scores`
[INFO] [stderr]   --> src/interface/game.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     client::Command::Bye(scores) => {
[INFO] [stderr]    |                                          ^^^^^^ help: consider prefixing with an underscore: `_scores`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/interface/game.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     client::Command::Start(color, oname, t) => {
[INFO] [stderr]    |                                                          ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interface/game.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     x => panic!("Invalid Command")
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:133:53
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:133:50
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:133:56
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:133:42
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:153:53
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:153:50
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:153:56
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                        ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:163:53
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:163:60
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                            ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]    --> src/interface/game.rs:163:67
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                                   ^^^^^^ help: consider prefixing with an underscore: `_reason`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]   --> src/player/learning/analysis.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let mut epoch = 0u8;
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/player/learning/analysis.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let x = 0..1;
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]    --> src/player/learning/analysis.rs:195:21
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut epoch = 0u8;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 233 |     gen_analyzer!(diag4, 81,  "DIAG4");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 234 |     gen_analyzer!(diag5, 243, "DIAG5");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 235 |     gen_analyzer!(diag6, 729, "DIAG6");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 236 |     gen_analyzer!(diag7, 2187, "DIAG7");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 237 |     gen_analyzer!(diag8, 6561, "DIAG8");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 238 |     gen_analyzer!(hor_vert2, 6561, "HOR_VERT2");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 239 |     gen_analyzer!(hor_vert3, 6561, "HOR_VERT3");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 240 |     gen_analyzer!(hor_vert4, 6561, "HOR_VERT4");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 241 |     gen_analyzer!(edge2x, 59049, "EDGE2X");
[INFO] [stderr]     |     --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 242 |     gen_analyzer!(corner2x5, 59049, "CORNER2X5");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 243 |     gen_analyzer!(corner3x3, 19683, "CORNER3X3");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 244 |     gen_analyzer!(corner2x2, 81, "CORNER2X2");
[INFO] [stderr]     |     ------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interface/tcp_client.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ret: Result<client::Command, String>;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/player/learning/analysis.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new(mut reader: BufReader<File>, output_dir: &'a str) -> Analyzer {
[INFO] [stderr]    |            ----^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]    --> src/board.rs:401:5
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `proc_end`
[INFO] [stderr]    --> src/interface/game.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `map1`
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const map1: [[i64; 8]; 8] = [
[INFO] [stderr] 17 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 18 | |     [-40, -40, 1, 1, 1, 1, -40, -40],
[INFO] [stderr] 19 | |     [5, 1, 1, 1, 1, 1, 1, 5],
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 25 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/interface/tcp_client.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 self.writer.flush();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `map1` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const map1: [[i64; 8]; 8] = [
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper case: `MAP1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_functions` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:83:11
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub const feature_functions: [fn(board::Board) -> f32; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_FUNCTIONS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_names` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub const feature_names: [&str; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             create_dir(path);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |                         write!(&mut writer, "{}", if his.result == MatchResult::Black{1}else{0});
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             write!(&mut writer, ",{:.3}", item);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         write!(&mut writer, "\n");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:246:28
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn flip(&self, p: &BitIndexable, player: Color) -> Board {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:401:30
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:246:28
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn flip(&self, p: &BitIndexable, player: Color) -> Board {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:401:30
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scores`
[INFO] [stderr]   --> src/interface/game.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     client::Command::Bye(scores) => {
[INFO] [stderr]    |                                          ^^^^^^ help: consider prefixing with an underscore: `_scores`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/interface/game.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     client::Command::Start(color, oname, t) => {
[INFO] [stderr]    |                                                          ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interface/game.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     x => panic!("Invalid Command")
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:133:53
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:133:50
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:133:56
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:133:42
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:153:53
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:153:50
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:153:56
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                        ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:163:53
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:163:60
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                            ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]    --> src/interface/game.rs:163:67
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                                   ^^^^^^ help: consider prefixing with an underscore: `_reason`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]   --> src/player/learning/analysis.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let mut epoch = 0u8;
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/player/learning/analysis.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let x = 0..1;
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]    --> src/player/learning/analysis.rs:195:21
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut epoch = 0u8;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 233 |     gen_analyzer!(diag4, 81,  "DIAG4");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 234 |     gen_analyzer!(diag5, 243, "DIAG5");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 235 |     gen_analyzer!(diag6, 729, "DIAG6");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 236 |     gen_analyzer!(diag7, 2187, "DIAG7");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 237 |     gen_analyzer!(diag8, 6561, "DIAG8");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 238 |     gen_analyzer!(hor_vert2, 6561, "HOR_VERT2");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 239 |     gen_analyzer!(hor_vert3, 6561, "HOR_VERT3");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 240 |     gen_analyzer!(hor_vert4, 6561, "HOR_VERT4");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 241 |     gen_analyzer!(edge2x, 59049, "EDGE2X");
[INFO] [stderr]     |     --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 242 |     gen_analyzer!(corner2x5, 59049, "CORNER2X5");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 243 |     gen_analyzer!(corner3x3, 19683, "CORNER3X3");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 244 |     gen_analyzer!(corner2x2, 81, "CORNER2X2");
[INFO] [stderr]     |     ------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interface/tcp_client.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ret: Result<client::Command, String>;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/player/learning/analysis.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new(mut reader: BufReader<File>, output_dir: &'a str) -> Analyzer {
[INFO] [stderr]    |            ----^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scores`
[INFO] [stderr]   --> src/interface/game.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     client::Command::Bye(scores) => {
[INFO] [stderr]    |                                          ^^^^^^ help: consider prefixing with an underscore: `_scores`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/interface/game.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     client::Command::Start(color, oname, t) => {
[INFO] [stderr]    |                                                          ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interface/game.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     x => panic!("Invalid Command")
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:133:53
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:133:50
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:133:56
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:133:42
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:153:53
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:153:50
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:153:56
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                        ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:163:53
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:163:60
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                            ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]    --> src/interface/game.rs:163:67
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                                   ^^^^^^ help: consider prefixing with an underscore: `_reason`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]   --> src/player/learning/analysis.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let mut epoch = 0u8;
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/player/learning/analysis.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let x = 0..1;
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]    --> src/player/learning/analysis.rs:195:21
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut epoch = 0u8;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 233 |     gen_analyzer!(diag4, 81,  "DIAG4");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 234 |     gen_analyzer!(diag5, 243, "DIAG5");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 235 |     gen_analyzer!(diag6, 729, "DIAG6");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 236 |     gen_analyzer!(diag7, 2187, "DIAG7");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 237 |     gen_analyzer!(diag8, 6561, "DIAG8");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 238 |     gen_analyzer!(hor_vert2, 6561, "HOR_VERT2");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 239 |     gen_analyzer!(hor_vert3, 6561, "HOR_VERT3");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 240 |     gen_analyzer!(hor_vert4, 6561, "HOR_VERT4");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 241 |     gen_analyzer!(edge2x, 59049, "EDGE2X");
[INFO] [stderr]     |     --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 242 |     gen_analyzer!(corner2x5, 59049, "CORNER2X5");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 243 |     gen_analyzer!(corner3x3, 19683, "CORNER3X3");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 244 |     gen_analyzer!(corner2x2, 81, "CORNER2X2");
[INFO] [stderr]     |     ------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |         Ok(mut g) => g.main_loop(),
[INFO] [stderr]    |            ----^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interface/tcp_client.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ret: Result<client::Command, String>;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]    --> src/board.rs:401:5
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `proc_end`
[INFO] [stderr]    --> src/interface/game.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `map1`
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const map1: [[i64; 8]; 8] = [
[INFO] [stderr] 17 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 18 | |     [-40, -40, 1, 1, 1, 1, -40, -40],
[INFO] [stderr] 19 | |     [5, 1, 1, 1, 1, 1, 1, 5],
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 25 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/player/learning/analysis.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new(mut reader: BufReader<File>, output_dir: &'a str) -> Analyzer {
[INFO] [stderr]    |            ----^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `filename` should have an upper case name
[INFO] [stderr]   --> src/analysis.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 | const filename: &str = "data/data";
[INFO] [stderr]    |       ^^^^^^^^ help: convert the identifier to upper case: `FILENAME`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `output_dir` should have an upper case name
[INFO] [stderr]   --> src/analysis.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | const output_dir: &str = "output/";
[INFO] [stderr]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `OUTPUT_DIR`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/interface/tcp_client.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 self.writer.flush();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `map1` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const map1: [[i64; 8]; 8] = [
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper case: `MAP1`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_functions` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:83:11
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub const feature_functions: [fn(board::Board) -> f32; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_FUNCTIONS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_names` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub const feature_names: [&str; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             create_dir(path);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |                         write!(&mut writer, "{}", if his.result == MatchResult::Black{1}else{0});
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             write!(&mut writer, ",{:.3}", item);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         write!(&mut writer, "\n");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]    --> src/board.rs:401:5
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `proc_end`
[INFO] [stderr]    --> src/interface/game.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `map1`
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const map1: [[i64; 8]; 8] = [
[INFO] [stderr] 17 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 18 | |     [-40, -40, 1, 1, 1, 1, -40, -40],
[INFO] [stderr] 19 | |     [5, 1, 1, 1, 1, 1, 1, 5],
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 25 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     match game::Game::new(client, player, NAME) {
[INFO] [stderr] 36 | |         Ok(mut g) => g.main_loop(),
[INFO] [stderr] 37 | |         Err(s) => panic!("Fail: {}", s),
[INFO] [stderr] 38 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/interface/tcp_client.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 self.writer.flush();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `map1` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const map1: [[i64; 8]; 8] = [
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper case: `MAP1`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_functions` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:83:11
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub const feature_functions: [fn(board::Board) -> f32; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_FUNCTIONS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_names` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub const feature_names: [&str; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             create_dir(path);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |                         write!(&mut writer, "{}", if his.result == MatchResult::Black{1}else{0});
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             write!(&mut writer, ",{:.3}", item);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         write!(&mut writer, "\n");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.05s
[INFO] running `"docker" "inspect" "40935743f60b55c7fa7c76a7d5cb62a8529ba8db1a9bd0da2587ac7cc66f7844"`
[INFO] running `"docker" "rm" "-f" "40935743f60b55c7fa7c76a7d5cb62a8529ba8db1a9bd0da2587ac7cc66f7844"`
[INFO] [stdout] 40935743f60b55c7fa7c76a7d5cb62a8529ba8db1a9bd0da2587ac7cc66f7844
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/moratorium08/reversi-ai:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] b93d9a3bc100f880715583c1b63c82cb8b5300689c88f79461d5e381eeeb206d
[INFO] running `"docker" "start" "-a" "b93d9a3bc100f880715583c1b63c82cb8b5300689c88f79461d5e381eeeb206d"`
[INFO] [stderr]    Compiling client v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:246:28
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn flip(&self, p: &BitIndexable, player: Color) -> Board {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:401:30
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:246:28
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn flip(&self, p: &BitIndexable, player: Color) -> Board {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:401:30
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:246:28
[INFO] [stderr]     |
[INFO] [stderr] 246 |     pub fn flip(&self, p: &BitIndexable, player: Color) -> Board {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/board.rs:401:30
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |                              ^^^^^^^^^^^^ help: use `dyn`: `dyn BitIndexable`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/interface/parser.rs:184:34
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 (x, Command::Bye(v)) => { panic!("hoge={}", x); }
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scores`
[INFO] [stderr]   --> src/interface/game.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     client::Command::Bye(scores) => {
[INFO] [stderr]    |                                          ^^^^^^ help: consider prefixing with an underscore: `_scores`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/interface/game.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     client::Command::Start(color, oname, t) => {
[INFO] [stderr]    |                                                          ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interface/game.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     x => panic!("Invalid Command")
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:133:53
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:133:50
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:133:56
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:133:42
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:153:53
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:153:50
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:153:56
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                        ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:163:53
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:163:60
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                            ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]    --> src/interface/game.rs:163:67
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                                   ^^^^^^ help: consider prefixing with an underscore: `_reason`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]   --> src/player/learning/analysis.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let mut epoch = 0u8;
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/player/learning/analysis.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let x = 0..1;
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]    --> src/player/learning/analysis.rs:195:21
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut epoch = 0u8;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 233 |     gen_analyzer!(diag4, 81,  "DIAG4");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 234 |     gen_analyzer!(diag5, 243, "DIAG5");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 235 |     gen_analyzer!(diag6, 729, "DIAG6");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 236 |     gen_analyzer!(diag7, 2187, "DIAG7");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 237 |     gen_analyzer!(diag8, 6561, "DIAG8");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 238 |     gen_analyzer!(hor_vert2, 6561, "HOR_VERT2");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 239 |     gen_analyzer!(hor_vert3, 6561, "HOR_VERT3");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 240 |     gen_analyzer!(hor_vert4, 6561, "HOR_VERT4");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 241 |     gen_analyzer!(edge2x, 59049, "EDGE2X");
[INFO] [stderr]     |     --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 242 |     gen_analyzer!(corner2x5, 59049, "CORNER2X5");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 243 |     gen_analyzer!(corner3x3, 19683, "CORNER3X3");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 244 |     gen_analyzer!(corner2x2, 81, "CORNER2X2");
[INFO] [stderr]     |     ------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interface/tcp_client.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ret: Result<client::Command, String>;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/interface/parser.rs:184:34
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 (x, Command::Bye(v)) => { panic!("hoge={}", x); }
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scores`
[INFO] [stderr]   --> src/interface/game.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     client::Command::Bye(scores) => {
[INFO] [stderr]    |                                          ^^^^^^ help: consider prefixing with an underscore: `_scores`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/interface/game.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     client::Command::Start(color, oname, t) => {
[INFO] [stderr]    |                                                          ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interface/game.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     x => panic!("Invalid Command")
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:133:53
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:133:50
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:133:56
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:133:42
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:153:53
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:153:50
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:153:56
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                        ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:163:53
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:163:60
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                            ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]    --> src/interface/game.rs:163:67
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                                   ^^^^^^ help: consider prefixing with an underscore: `_reason`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]   --> src/player/learning/analysis.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let mut epoch = 0u8;
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/player/learning/analysis.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let x = 0..1;
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]    --> src/player/learning/analysis.rs:195:21
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut epoch = 0u8;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 233 |     gen_analyzer!(diag4, 81,  "DIAG4");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 234 |     gen_analyzer!(diag5, 243, "DIAG5");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 235 |     gen_analyzer!(diag6, 729, "DIAG6");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 236 |     gen_analyzer!(diag7, 2187, "DIAG7");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 237 |     gen_analyzer!(diag8, 6561, "DIAG8");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 238 |     gen_analyzer!(hor_vert2, 6561, "HOR_VERT2");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 239 |     gen_analyzer!(hor_vert3, 6561, "HOR_VERT3");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 240 |     gen_analyzer!(hor_vert4, 6561, "HOR_VERT4");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 241 |     gen_analyzer!(edge2x, 59049, "EDGE2X");
[INFO] [stderr]     |     --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 242 |     gen_analyzer!(corner2x5, 59049, "CORNER2X5");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 243 |     gen_analyzer!(corner3x3, 19683, "CORNER3X3");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 244 |     gen_analyzer!(corner2x2, 81, "CORNER2X2");
[INFO] [stderr]     |     ------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:36:12
[INFO] [stderr]    |
[INFO] [stderr] 36 |         Ok(mut g) => g.main_loop(),
[INFO] [stderr]    |            ----^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/player/learning/analysis.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new(mut reader: BufReader<File>, output_dir: &'a str) -> Analyzer {
[INFO] [stderr]    |            ----^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interface/tcp_client.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ret: Result<client::Command, String>;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]    --> src/board.rs:401:5
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `proc_end`
[INFO] [stderr]    --> src/interface/game.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `map1`
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const map1: [[i64; 8]; 8] = [
[INFO] [stderr] 17 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 18 | |     [-40, -40, 1, 1, 1, 1, -40, -40],
[INFO] [stderr] 19 | |     [5, 1, 1, 1, 1, 1, 1, 5],
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 25 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/player/learning/analysis.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new(mut reader: BufReader<File>, output_dir: &'a str) -> Analyzer {
[INFO] [stderr]    |            ----^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `filename` should have an upper case name
[INFO] [stderr]   --> src/analysis.rs:19:7
[INFO] [stderr]    |
[INFO] [stderr] 19 | const filename: &str = "data/data";
[INFO] [stderr]    |       ^^^^^^^^ help: convert the identifier to upper case: `FILENAME`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `output_dir` should have an upper case name
[INFO] [stderr]   --> src/analysis.rs:20:7
[INFO] [stderr]    |
[INFO] [stderr] 20 | const output_dir: &str = "output/";
[INFO] [stderr]    |       ^^^^^^^^^^ help: convert the identifier to upper case: `OUTPUT_DIR`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/interface/tcp_client.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 self.writer.flush();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `map1` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const map1: [[i64; 8]; 8] = [
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper case: `MAP1`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_functions` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:83:11
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub const feature_functions: [fn(board::Board) -> f32; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_FUNCTIONS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_names` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub const feature_names: [&str; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             create_dir(path);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |                         write!(&mut writer, "{}", if his.result == MatchResult::Black{1}else{0});
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             write!(&mut writer, ",{:.3}", item);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         write!(&mut writer, "\n");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `v`
[INFO] [stderr]    --> src/interface/parser.rs:184:34
[INFO] [stderr]     |
[INFO] [stderr] 184 |                 (x, Command::Bye(v)) => { panic!("hoge={}", x); }
[INFO] [stderr]     |                                  ^ help: consider prefixing with an underscore: `_v`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `scores`
[INFO] [stderr]   --> src/interface/game.rs:48:42
[INFO] [stderr]    |
[INFO] [stderr] 48 |                     client::Command::Bye(scores) => {
[INFO] [stderr]    |                                          ^^^^^^ help: consider prefixing with an underscore: `_scores`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/interface/game.rs:52:58
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     client::Command::Start(color, oname, t) => {
[INFO] [stderr]    |                                                          ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]   --> src/interface/game.rs:67:21
[INFO] [stderr]    |
[INFO] [stderr] 67 |                     x => panic!("Invalid Command")
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:133:53
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:133:50
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:133:56
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:133:42
[INFO] [stderr]     |
[INFO] [stderr] 133 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:153:53
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:153:50
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                  ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `r`
[INFO] [stderr]    --> src/interface/game.rs:153:56
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                                        ^ help: consider prefixing with an underscore: `_r`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:153:42
[INFO] [stderr]     |
[INFO] [stderr] 153 |                     client::Command::End(result, n, m, r) => {
[INFO] [stderr]     |                                          ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/interface/game.rs:156:21
[INFO] [stderr]     |
[INFO] [stderr] 156 |                     x => panic!("Invalid Command")
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `result`
[INFO] [stderr]    --> src/interface/game.rs:163:24
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                        ^^^^^^ help: consider prefixing with an underscore: `_result`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> src/interface/game.rs:163:53
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                     ^ help: consider prefixing with an underscore: `_n`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stderr]    --> src/interface/game.rs:163:60
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                            ^ help: consider prefixing with an underscore: `_m`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `reason`
[INFO] [stderr]    --> src/interface/game.rs:163:67
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |                                                                   ^^^^^^ help: consider prefixing with an underscore: `_reason`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]   --> src/player/learning/analysis.rs:78:21
[INFO] [stderr]    |
[INFO] [stderr] 78 |             let mut epoch = 0u8;
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `x`
[INFO] [stderr]    --> src/player/learning/analysis.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |             let x = 0..1;
[INFO] [stderr]     |                 ^ help: consider prefixing with an underscore: `_x`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `epoch` is assigned to, but never used
[INFO] [stderr]    --> src/player/learning/analysis.rs:195:21
[INFO] [stderr]     |
[INFO] [stderr] 195 |             let mut epoch = 0u8;
[INFO] [stderr]     |                     ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: consider using `_epoch` instead
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 233 |     gen_analyzer!(diag4, 81,  "DIAG4");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 234 |     gen_analyzer!(diag5, 243, "DIAG5");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 235 |     gen_analyzer!(diag6, 729, "DIAG6");
[INFO] [stderr]     |     ----------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 236 |     gen_analyzer!(diag7, 2187, "DIAG7");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 237 |     gen_analyzer!(diag8, 6561, "DIAG8");
[INFO] [stderr]     |     ------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 238 |     gen_analyzer!(hor_vert2, 6561, "HOR_VERT2");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 239 |     gen_analyzer!(hor_vert3, 6561, "HOR_VERT3");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 240 |     gen_analyzer!(hor_vert4, 6561, "HOR_VERT4");
[INFO] [stderr]     |     -------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 241 |     gen_analyzer!(edge2x, 59049, "EDGE2X");
[INFO] [stderr]     |     --------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 242 |     gen_analyzer!(corner2x5, 59049, "CORNER2X5");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 243 |     gen_analyzer!(corner3x3, 19683, "CORNER3X3");
[INFO] [stderr]     |     --------------------------------------------- in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]    --> src/player/learning/analysis.rs:25:17
[INFO] [stderr]     |
[INFO] [stderr] 25  |             let board = self.simulate(|board: board::Board, result: MatchResult, epoch: usize| {
[INFO] [stderr]     |                 ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] ...
[INFO] [stderr] 244 |     gen_analyzer!(corner2x2, 81, "CORNER2X2");
[INFO] [stderr]     |     ------------------------------------------ in this macro invocation
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/interface/tcp_client.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let mut ret: Result<client::Command, String>;
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/player/learning/analysis.rs:56:12
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn new(mut reader: BufReader<File>, output_dir: &'a str) -> Analyzer {
[INFO] [stderr]    |            ----^^^^^^
[INFO] [stderr]    |            |
[INFO] [stderr]    |            help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]    --> src/board.rs:401:5
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `proc_end`
[INFO] [stderr]    --> src/interface/game.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `map1`
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const map1: [[i64; 8]; 8] = [
[INFO] [stderr] 17 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 18 | |     [-40, -40, 1, 1, 1, 1, -40, -40],
[INFO] [stderr] 19 | |     [5, 1, 1, 1, 1, 1, 1, 5],
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 25 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `is_valid`
[INFO] [stderr]    --> src/board.rs:401:5
[INFO] [stderr]     |
[INFO] [stderr] 401 |     fn is_valid(&self, pos: &BitIndexable, player: Color) -> bool {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `proc_end`
[INFO] [stderr]    --> src/interface/game.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     fn proc_end(&self, result: client::MatchResult, n: u8, m: u8, reason: String) {}
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `map1`
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | / const map1: [[i64; 8]; 8] = [
[INFO] [stderr] 17 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 18 | |     [-40, -40, 1, 1, 1, 1, -40, -40],
[INFO] [stderr] 19 | |     [5, 1, 1, 1, 1, 1, 1, 5],
[INFO] [stderr] ...  |
[INFO] [stderr] 24 | |     [1000, -40, 5, 5, 5, 5, -40, 1000],
[INFO] [stderr] 25 | | ];
[INFO] [stderr]    | |__^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 | /     match game::Game::new(client, player, NAME) {
[INFO] [stderr] 36 | |         Ok(mut g) => g.main_loop(),
[INFO] [stderr] 37 | |         Err(s) => panic!("Fail: {}", s),
[INFO] [stderr] 38 | |     };
[INFO] [stderr]    | |______^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/interface/tcp_client.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 self.writer.flush();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `map1` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const map1: [[i64; 8]; 8] = [
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper case: `MAP1`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_functions` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:83:11
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub const feature_functions: [fn(board::Board) -> f32; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_FUNCTIONS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_names` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub const feature_names: [&str; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             create_dir(path);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |                         write!(&mut writer, "{}", if his.result == MatchResult::Black{1}else{0});
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             write!(&mut writer, ",{:.3}", item);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         write!(&mut writer, "\n");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/interface/tcp_client.rs:84:17
[INFO] [stderr]    |
[INFO] [stderr] 84 |                 self.writer.flush();
[INFO] [stderr]    |                 ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: constant `map1` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:16:7
[INFO] [stderr]    |
[INFO] [stderr] 16 | const map1: [[i64; 8]; 8] = [
[INFO] [stderr]    |       ^^^^ help: convert the identifier to upper case: `MAP1`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_functions` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:83:11
[INFO] [stderr]    |
[INFO] [stderr] 83 | pub const feature_functions: [fn(board::Board) -> f32; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_FUNCTIONS`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `feature_names` should have an upper case name
[INFO] [stderr]   --> src/player/linear_evaluator.rs:87:11
[INFO] [stderr]    |
[INFO] [stderr] 87 | pub const feature_names: [&str; 12] = [
[INFO] [stderr]    |           ^^^^^^^^^^^^^ help: convert the identifier to upper case: `FEATURE_NAMES`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:139:13
[INFO] [stderr]     |
[INFO] [stderr] 139 |             create_dir(path);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:170:25
[INFO] [stderr]     |
[INFO] [stderr] 170 |                         write!(&mut writer, "{}", if his.result == MatchResult::Black{1}else{0});
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:173:29
[INFO] [stderr]     |
[INFO] [stderr] 173 |                             write!(&mut writer, ",{:.3}", item);
[INFO] [stderr]     |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/player/learning/analysis.rs:175:25
[INFO] [stderr]     |
[INFO] [stderr] 175 |                         write!(&mut writer, "\n");
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.24s
[INFO] running `"docker" "inspect" "b93d9a3bc100f880715583c1b63c82cb8b5300689c88f79461d5e381eeeb206d"`
[INFO] running `"docker" "rm" "-f" "b93d9a3bc100f880715583c1b63c82cb8b5300689c88f79461d5e381eeeb206d"`
[INFO] [stdout] b93d9a3bc100f880715583c1b63c82cb8b5300689c88f79461d5e381eeeb206d
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/moratorium08/reversi-ai:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] c3ac699468a592a46b0b2e61d863c5ef9d41e989f04515b6608ca900a809ec91
[INFO] running `"docker" "start" "-a" "c3ac699468a592a46b0b2e61d863c5ef9d41e989f04515b6608ca900a809ec91"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/client-d24bf3a25b3386bc
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test interface::parser::test_move_command ... ok
[INFO] [stdout] test interface::parser::test_open_command ... ok
[INFO] [stdout] test interface::parser::test_bye_command ... ok
[INFO] [stdout] test interface::parser::test_ack_command ... ok
[INFO] [stdout] test interface::parser::test_command_parser ... ok
[INFO] [stdout] test interface::parser::test_end_command ... ok
[INFO] [stdout] test interface::parser::test_start_command ... ok
[INFO] [stdout] test player::learning::parser::tests::test_parse_csv_line ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- player::learning::parser::tests::test_parse_csv_line stdout ----
[INFO] [stdout] thread 'player::learning::parser::tests::test_parse_csv_line' panicked at 'attempt to add with overflow', src/board.rs:293:35
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x563590c04aab - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stdout]    1:     0x563590c04aab - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stdout]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stdout]    2:     0x563590c04aab - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stdout]    3:     0x563590c04aab - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stdout]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stdout]    4:     0x563590c04aab - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stdout]                                at src/libstd/panicking.rs:200
[INFO] [stdout]    5:     0x563590c0471a - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stdout]                                at src/libstd/panicking.rs:211
[INFO] [stdout]    6:     0x563590c05220 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stdout]                                at src/libstd/panicking.rs:477
[INFO] [stdout]    7:     0x563590c04da2 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stdout]                                at src/libstd/panicking.rs:384
[INFO] [stdout]    8:     0x563590c04c86 - rust_begin_unwind
[INFO] [stdout]                                at src/libstd/panicking.rs:311
[INFO] [stdout]    9:     0x563590c1ae6d - core::panicking::panic_fmt::h8980489a6c4a44cb
[INFO] [stdout]                                at src/libcore/panicking.rs:85
[INFO] [stdout]   10:     0x563590c1adac - core::panicking::panic::hedd9888e25456fbe
[INFO] [stdout]                                at src/libcore/panicking.rs:49
[INFO] [stdout]   11:     0x563590b9c3fd - client::board::Board::gen_flip::hb3af87deb470ac67
[INFO] [stdout]                                at src/board.rs:293
[INFO] [stdout]   12:     0x563590b9b742 - client::board::Board::flip::h32fb3b087faee236
[INFO] [stdout]                                at src/board.rs:255
[INFO] [stdout]   13:     0x563590ba2741 - client::player::learning::parser::tests::test_parse_csv_line::h6dca5767340f8463
[INFO] [stdout]                                at src/player/learning/parser.rs:149
[INFO] [stdout]   14:     0x563590ba1f5a - client::player::learning::parser::tests::test_parse_csv_line::{{closure}}::h8c0ed502bc6b2f8b
[INFO] [stdout]                                at src/player/learning/parser.rs:128
[INFO] [stdout]   15:     0x563590b9f84e - core::ops::function::FnOnce::call_once::hae12240294d4ff1c
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   16:     0x563590bbe08f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9568fda2c3b99042
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   17:     0x563590c0779a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   18:     0x563590bd8688 - std::panicking::try::h4b4c6c15836266eb
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   19:     0x563590bd8688 - std::panic::catch_unwind::h133691b514d0224c
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   20:     0x563590bd8688 - test::run_test::run_test_inner::{{closure}}::h41355d9f207d71fe
[INFO] [stdout]                                at src/libtest/lib.rs:1466
[INFO] [stdout]   21:     0x563590bb3505 - std::sys_common::backtrace::__rust_begin_short_backtrace::h7c86e4012abd2d40
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/sys_common/backtrace.rs:77
[INFO] [stdout]   22:     0x563590bb7685 - std::thread::Builder::spawn_unchecked::{{closure}}::{{closure}}::h2ba9d55fec0ea776
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:470
[INFO] [stdout]   23:     0x563590bb7685 - <std::panic::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hdf89f4d89df3dda3
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:315
[INFO] [stdout]   24:     0x563590bb7685 - std::panicking::try::do_call::h59b39c89384b7a2f
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:296
[INFO] [stdout]   25:     0x563590c0779a - __rust_maybe_catch_panic
[INFO] [stdout]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stdout]   26:     0x563590bb7cc2 - std::panicking::try::h9fff34be50f16431
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panicking.rs:275
[INFO] [stdout]   27:     0x563590bb7cc2 - std::panic::catch_unwind::h7551856ff7c5e12a
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/panic.rs:394
[INFO] [stdout]   28:     0x563590bb7cc2 - std::thread::Builder::spawn_unchecked::{{closure}}::hafea48c774d796e7
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/thread/mod.rs:469
[INFO] [stdout]   29:     0x563590bb7cc2 - core::ops::function::FnOnce::call_once{{vtable.shim}}::he5fe7b84ce5a3830
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libcore/ops/function.rs:231
[INFO] [stdout]   30:     0x563590bfa84f - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h55ef432b72ff7a0b
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   31:     0x563590c06ef0 - <alloc::boxed::Box<F> as core::ops::function::FnOnce<A>>::call_once::h9294a5138530eae1
[INFO] [stdout]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/liballoc/boxed.rs:746
[INFO] [stdout]   32:     0x563590c06ef0 - std::sys_common::thread::start_thread::h0d2733dd32c3723c
[INFO] [stdout]                                at src/libstd/sys_common/thread.rs:13
[INFO] [stdout]   33:     0x563590c06ef0 - std::sys::unix::thread::Thread::new::thread_start::hf1005dad6ba8f2b1
[INFO] [stdout]                                at src/libstd/sys/unix/thread.rs:79
[INFO] [stdout]   34:     0x7f23c3bbb4a4 - start_thread
[INFO] [stdout]   35:     0x7f23c36e6d0f - __clone
[INFO] [stdout]   36:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     player::learning::parser::tests::test_parse_csv_line
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 7 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--lib'
[INFO] running `"docker" "inspect" "c3ac699468a592a46b0b2e61d863c5ef9d41e989f04515b6608ca900a809ec91"`
[INFO] running `"docker" "rm" "-f" "c3ac699468a592a46b0b2e61d863c5ef9d41e989f04515b6608ca900a809ec91"`
[INFO] [stdout] c3ac699468a592a46b0b2e61d863c5ef9d41e989f04515b6608ca900a809ec91