[INFO] updating cached repository levkk/rust-chess
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/levkk/rust-chess
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/levkk/rust-chess" "work/ex/clippy-test-run/sources/stable/gh/levkk/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/levkk/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/levkk/rust-chess" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/levkk/rust-chess"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/levkk/rust-chess'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d7e98a6431b6055577180cea95812dc309d90ade
[INFO] sha for GitHub repo levkk/rust-chess: d7e98a6431b6055577180cea95812dc309d90ade
[INFO] validating manifest of levkk/rust-chess on toolchain stable
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of levkk/rust-chess on toolchain stable+rustflags=-Dclippy::into_iter_on_array
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing levkk/rust-chess
[INFO] finished frobbing levkk/rust-chess
[INFO] frobbed toml for levkk/rust-chess written to work/ex/clippy-test-run/sources/stable/gh/levkk/rust-chess/Cargo.toml
[INFO] started frobbing levkk/rust-chess
[INFO] finished frobbing levkk/rust-chess
[INFO] frobbed toml for levkk/rust-chess written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/levkk/rust-chess/Cargo.toml
[INFO] crate levkk/rust-chess has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+stable" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] linting levkk/rust-chess against stable for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-0/stable:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable/gh/levkk/rust-chess:/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=forbid" "-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" "+stable" "clippy" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 79d2156a2f9f6a58b8f3d3ef0f2143706845c48424c612d46638ed01a6262e3c
[INFO] running `"docker" "start" "-a" "79d2156a2f9f6a58b8f3d3ef0f2143706845c48424c612d46638ed01a6262e3c"`
[INFO] [stderr]     Checking tobj v0.1.6
[INFO] [stderr]    Compiling glfw-sys v3.2.2
[INFO] [stderr]     Checking num-complex v0.2.0
[INFO] [stderr]     Checking num-bigint v0.2.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking regex v0.2.11
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking glfw v0.25.0
[INFO] [stderr]     Checking reqwest v0.9.2
[INFO] [stderr]     Checking rust_chess v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/connection.rs:78:47
[INFO] [stderr]    |
[INFO] [stderr] 78 |       TcpConnectionDelimiter::EndOfMessage => write!(f, "\r\n"), // Just like HTTP
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: using `write!()` with a format string that ends in a single newline, consider using `writeln!()` instead
[INFO] [stderr]   --> src/connection.rs:78:47
[INFO] [stderr]    |
[INFO] [stderr] 78 |       TcpConnectionDelimiter::EndOfMessage => write!(f, "\r\n"), // Just like HTTP
[INFO] [stderr]    |                                               ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::write_with_newline)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_with_newline
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:409:11
[INFO] [stderr]     |
[INFO] [stderr] 409 |           return (dx == 0 && dy == 1 && !self.has_piece(to)) || (dx == 1 && dy == 1 && self.has_piece(to));        
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == 0 && dy == 1 && !self.has_piece(to)) || (dx == 1 && dy == 1 && self.has_piece(to))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:413:11
[INFO] [stderr]     |
[INFO] [stderr] 413 |           return (dx == 0 && (dy == 1 || dy == 2) && !self.has_piece(to)) || (dx == 1 && dy == 1 && self.has_piece(to));
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == 0 && (dy == 1 || dy == 2) && !self.has_piece(to)) || (dx == 1 && dy == 1 && self.has_piece(to))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:419:9
[INFO] [stderr]     |
[INFO] [stderr] 419 |         return (dx == 0 && dy != 0) || (dx != 0 && dy == 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == 0 && dy != 0) || (dx != 0 && dy == 0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |         return (dx == 2 && dy == 1) || (dx == 1 && dy == 2);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == 2 && dy == 1) || (dx == 1 && dy == 2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:428:9
[INFO] [stderr]     |
[INFO] [stderr] 428 |         return dx == dy && dx != 0; // Only on a diagonal,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `dx == dy && dx != 0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:433:9
[INFO] [stderr]     |
[INFO] [stderr] 433 |         return (dx == dy && dx != 0) || (dx == 0 && dy != 0) || (dx == 0 && dy != 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == dy && dx != 0) || (dx == 0 && dy != 0) || (dx == 0 && dy != 0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:438:11
[INFO] [stderr]     |
[INFO] [stderr] 438 |           return dx == 1 || dy == 1;
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `dx == 1 || dy == 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:442:12
[INFO] [stderr]     |
[INFO] [stderr] 442 |            return (dx ==  1 || dy == 1) && (dx == 2 && dy == 0);  
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx ==  1 || dy == 1) && (dx == 2 && dy == 0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         return false; // Irrelevant.
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:459:5
[INFO] [stderr]     |
[INFO] [stderr] 459 |     return self.board[coord.0][coord.1].piece.piece_type != Piece::Nil;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.board[coord.0][coord.1].piece.piece_type != Piece::Nil`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:464:5
[INFO] [stderr]     |
[INFO] [stderr] 464 |     return self.board[coord.0][coord.1].color.clone();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.board[coord.0][coord.1].color.clone()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/board.rs:507:7
[INFO] [stderr]     |
[INFO] [stderr] 507 |   use super::*;
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/game.rs:72:7
[INFO] [stderr]    |
[INFO] [stderr] 72 |       return Err("Illegal move notation (regex).");
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("Illegal move notation (regex).")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections`
[INFO] [stderr]  --> src/connection.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{net, thread, time, collections};
[INFO] [stderr]   |                              ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/connection.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         location_header
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/connection.rs:249:31
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let location_header = String::from(headers[header::LOCATION].to_str().unwrap());
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/model_loader.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   return models;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `models`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `channel`
[INFO] [stderr]   --> src/gui.rs:29:23
[INFO] [stderr]    |
[INFO] [stderr] 29 | use std::sync::mpsc::{channel, Receiver, Sender};
[INFO] [stderr]    |                       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gui.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     return self.window.should_close() || self.should_close;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.window.should_close() || self.should_close`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/gui.rs:384:16
[INFO] [stderr]     |
[INFO] [stderr] 384 |             else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 385 | |             if model.is_dragging() {
[INFO] [stderr] 386 | |               model.dragging(x_gl, y_gl);
[INFO] [stderr] 387 | |             }
[INFO] [stderr] 388 | |           }
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 384 |           else if model.is_dragging() {
[INFO] [stderr] 385 |   model.dragging(x_gl, y_gl);
[INFO] [stderr] 386 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/models/piece.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     return (-1.0 + slope * (input as f32 - 0.0)) as f32;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(-1.0 + slope * (input as f32 - 0.0)) as f32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/models/piece.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     return (0.0 + slope * (input - (-1.0))) as usize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(0.0 + slope * (input - (-1.0))) as usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::*`
[INFO] [stderr]    --> src/models/piece.rs:171:7
[INFO] [stderr]     |
[INFO] [stderr] 171 |   use super::*;
[INFO] [stderr]     |       ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:409:11
[INFO] [stderr]     |
[INFO] [stderr] 409 |           return (dx == 0 && dy == 1 && !self.has_piece(to)) || (dx == 1 && dy == 1 && self.has_piece(to));        
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == 0 && dy == 1 && !self.has_piece(to)) || (dx == 1 && dy == 1 && self.has_piece(to))`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_return)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:413:11
[INFO] [stderr]     |
[INFO] [stderr] 413 |           return (dx == 0 && (dy == 1 || dy == 2) && !self.has_piece(to)) || (dx == 1 && dy == 1 && self.has_piece(to));
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == 0 && (dy == 1 || dy == 2) && !self.has_piece(to)) || (dx == 1 && dy == 1 && self.has_piece(to))`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:419:9
[INFO] [stderr]     |
[INFO] [stderr] 419 |         return (dx == 0 && dy != 0) || (dx != 0 && dy == 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == 0 && dy != 0) || (dx != 0 && dy == 0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:424:9
[INFO] [stderr]     |
[INFO] [stderr] 424 |         return (dx == 2 && dy == 1) || (dx == 1 && dy == 2);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == 2 && dy == 1) || (dx == 1 && dy == 2)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:428:9
[INFO] [stderr]     |
[INFO] [stderr] 428 |         return dx == dy && dx != 0; // Only on a diagonal,
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `dx == dy && dx != 0`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:433:9
[INFO] [stderr]     |
[INFO] [stderr] 433 |         return (dx == dy && dx != 0) || (dx == 0 && dy != 0) || (dx == 0 && dy != 0);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx == dy && dx != 0) || (dx == 0 && dy != 0) || (dx == 0 && dy != 0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:438:11
[INFO] [stderr]     |
[INFO] [stderr] 438 |           return dx == 1 || dy == 1;
[INFO] [stderr]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `dx == 1 || dy == 1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:442:12
[INFO] [stderr]     |
[INFO] [stderr] 442 |            return (dx ==  1 || dy == 1) && (dx == 2 && dy == 0);  
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(dx ==  1 || dy == 1) && (dx == 2 && dy == 0)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:447:9
[INFO] [stderr]     |
[INFO] [stderr] 447 |         return false; // Irrelevant.
[INFO] [stderr]     |         ^^^^^^^^^^^^^ help: remove `return` as shown: `false`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:459:5
[INFO] [stderr]     |
[INFO] [stderr] 459 |     return self.board[coord.0][coord.1].piece.piece_type != Piece::Nil;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.board[coord.0][coord.1].piece.piece_type != Piece::Nil`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/board.rs:464:5
[INFO] [stderr]     |
[INFO] [stderr] 464 |     return self.board[coord.0][coord.1].color.clone();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.board[coord.0][coord.1].color.clone()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/game.rs:72:7
[INFO] [stderr]    |
[INFO] [stderr] 72 |       return Err("Illegal move notation (regex).");
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `Err("Illegal move notation (regex).")`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `collections`
[INFO] [stderr]  --> src/connection.rs:7:30
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::{net, thread, time, collections};
[INFO] [stderr]   |                              ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: returning the result of a let binding from a block. Consider returning the expression directly.
[INFO] [stderr]    --> src/connection.rs:250:9
[INFO] [stderr]     |
[INFO] [stderr] 250 |         location_header
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_and_return)] on by default
[INFO] [stderr] note: this expression can be directly returned
[INFO] [stderr]    --> src/connection.rs:249:31
[INFO] [stderr]     |
[INFO] [stderr] 249 |         let location_header = String::from(headers[header::LOCATION].to_str().unwrap());
[INFO] [stderr]     |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_and_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/model_loader.rs:55:3
[INFO] [stderr]    |
[INFO] [stderr] 55 |   return models;
[INFO] [stderr]    |   ^^^^^^^^^^^^^^ help: remove `return` as shown: `models`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/gui.rs:144:5
[INFO] [stderr]     |
[INFO] [stderr] 144 |     return self.window.should_close() || self.should_close;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `self.window.should_close() || self.should_close`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: this `else { if .. }` block can be collapsed
[INFO] [stderr]    --> src/gui.rs:384:16
[INFO] [stderr]     |
[INFO] [stderr] 384 |             else {
[INFO] [stderr]     |  ________________^
[INFO] [stderr] 385 | |             if model.is_dragging() {
[INFO] [stderr] 386 | |               model.dragging(x_gl, y_gl);
[INFO] [stderr] 387 | |             }
[INFO] [stderr] 388 | |           }
[INFO] [stderr]     | |___________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::collapsible_if)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#collapsible_if
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 384 |           else if model.is_dragging() {
[INFO] [stderr] 385 |   model.dragging(x_gl, y_gl);
[INFO] [stderr] 386 | }
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/models/piece.rs:56:5
[INFO] [stderr]    |
[INFO] [stderr] 56 |     return (-1.0 + slope * (input as f32 - 0.0)) as f32;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(-1.0 + slope * (input as f32 - 0.0)) as f32`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]   --> src/models/piece.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     return (0.0 + slope * (input - (-1.0))) as usize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(0.0 + slope * (input - (-1.0))) as usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mesh`
[INFO] [stderr]   --> src/model_loader.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mesh = &m.mesh;
[INFO] [stderr]    |         ^^^^ help: consider using `_mesh` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RETRY_ATTEMPTS_HTTP`
[INFO] [stderr]   --> src/connection.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const RETRY_ATTEMPTS_HTTP: i32 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `zoom`
[INFO] [stderr]   --> src/camera.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   zoom: f32,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/board.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     write!(f, "{}", color);
[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]     = note: this error 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: this boolean expression can be simplified
[INFO] [stderr]    --> src/board.rs:419:16
[INFO] [stderr]     |
[INFO] [stderr] 419 |         return (dx == 0 && dy != 0) || (dx != 0 && dy == 0);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `dx == 0 && dy != 0 || dx != 0 && dy == 0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]    --> src/board.rs:433:16
[INFO] [stderr]     |
[INFO] [stderr] 433 |         return (dx == dy && dx != 0) || (dx == 0 && dy != 0) || (dx == 0 && dy != 0);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 433 |         return dx == 0 && dy != 0 || dx == dy && dx != 0;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 433 |         return !(dx == 0 && dy == 0 || dx != dy && dx != 0);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 433 |         return (dx != 0 || dy != 0) && (dx == dy || dx == 0);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 27
[INFO] [stderr]    --> src/board.rs:400:3
[INFO] [stderr]     |
[INFO] [stderr] 400 | /   fn validate_move(&self, from: (usize, usize), to: (usize, usize), piece: &GamePiece) -> bool {
[INFO] [stderr] 401 | |     
[INFO] [stderr] 402 | |     let (dx, dy) = Self::d(from, to);
[INFO] [stderr] 403 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 449 | |     }
[INFO] [stderr] 450 | |   }
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mesh`
[INFO] [stderr]   --> src/model_loader.rs:16:9
[INFO] [stderr]    |
[INFO] [stderr] 16 |     let mesh = &m.mesh;
[INFO] [stderr]    |         ^^^^ help: consider using `_mesh` instead
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/game.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 | /         match board_receiver.recv_timeout(Duration::from_millis(100)) {
[INFO] [stderr] 158 | |           Ok(new_board) => {
[INFO] [stderr] 159 | |             // Update board with new or old board
[INFO] [stderr] 160 | |             window.update_board(new_board.clone());
[INFO] [stderr] 161 | |           }
[INFO] [stderr] 162 | |           Err(_) => (),
[INFO] [stderr] 163 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 157 |         if let Ok(new_board) = board_receiver.recv_timeout(Duration::from_millis(100)) {
[INFO] [stderr] 158 |   // Update board with new or old board
[INFO] [stderr] 159 |   window.update_board(new_board.clone());
[INFO] [stderr] 160 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/game.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 | /         match close_receiver.recv_timeout(Duration::from_millis(10)) {
[INFO] [stderr] 167 | |           Ok(close) => {
[INFO] [stderr] 168 | |             if close {
[INFO] [stderr] 169 | |               window.close();
[INFO] [stderr] ...   |
[INFO] [stderr] 172 | |           Err(_) => (),
[INFO] [stderr] 173 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 166 |         if let Ok(close) = close_receiver.recv_timeout(Duration::from_millis(10)) {
[INFO] [stderr] 167 |   if close {
[INFO] [stderr] 168 |     window.close();
[INFO] [stderr] 169 |   }
[INFO] [stderr] 170 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/game.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 | /         match gui_receiver.recv_timeout(Duration::from_millis(100)) {
[INFO] [stderr] 229 | |           Ok(gui_input) => {
[INFO] [stderr] 230 | |             received_input = true;
[INFO] [stderr] 231 | |             input = gui_input;
[INFO] [stderr] 232 | |           },
[INFO] [stderr] 233 | |           Err(_) => (), // Received nothing yet
[INFO] [stderr] 234 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 228 |         if let Ok(gui_input) = gui_receiver.recv_timeout(Duration::from_millis(100)) {
[INFO] [stderr] 229 |   received_input = true;
[INFO] [stderr] 230 |   input = gui_input;
[INFO] [stderr] 231 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         board_sender.send(self.board.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/client.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | /     let connection: Box<Connection>;
[INFO] [stderr] 78 | |
[INFO] [stderr] 79 | |     // TCP
[INFO] [stderr] 80 | |     if addr.starts_with("tcp://") {
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |       connection = Box::new(EchoConnection::new());
[INFO] [stderr] 92 | |     }
[INFO] [stderr]    | |_____^ help: it is more idiomatic to write: `let connection = if addr.starts_with("tcp://") { ..; Box::new(listener) } else { Box::new(EchoConnection::new()) };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `connection::EchoConnection`
[INFO] [stderr]   --> src/connection.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 | /   pub fn new() -> Self {
[INFO] [stderr] 44 | |     EchoConnection{}
[INFO] [stderr] 45 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `write` doesn't need a mutable reference
[INFO] [stderr]    --> src/connection.rs:136:29
[INFO] [stderr]     |
[INFO] [stderr] 136 |     match self.stream.write(&mut raw_data) {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `connection::SelfConnection`
[INFO] [stderr]    --> src/connection.rs:190:3
[INFO] [stderr]     |
[INFO] [stderr] 190 | /   pub fn new() -> SelfConnection {
[INFO] [stderr] 191 | |     SelfConnection{}
[INFO] [stderr] 192 | |   }
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 185 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/connection.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     self.client.delete(&format!("{}/clients/{}", self.endpoint, self.name)).send();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/graphic_object.rs:117:36
[INFO] [stderr]     |
[INFO] [stderr] 117 |   pub fn update(&mut self, points: &Vec<Vertice>, indices: &Vec<i32>) {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 117 |   pub fn update(&mut self, points: &[Vertice], indices: &Vec<i32>) {
[INFO] [stderr]     |                                    ^^^^^^^^^^
[INFO] [stderr] help: change `points.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 118 |     self.points = points.to_owned();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/graphic_object.rs:117:60
[INFO] [stderr]     |
[INFO] [stderr] 117 |   pub fn update(&mut self, points: &Vec<Vertice>, indices: &Vec<i32>) {
[INFO] [stderr]     |                                                            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 117 |   pub fn update(&mut self, points: &Vec<Vertice>, indices: &[i32]) {
[INFO] [stderr]     |                                                            ^^^^^^
[INFO] [stderr] help: change `indices.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 119 |     self.indices = indices.to_owned();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/gui.rs:161:44
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn init_glfw(width: u32, height: u32) -> (
[INFO] [stderr]     |  ____________________________________________^
[INFO] [stderr] 162 | |     Box<glfw::Glfw>,
[INFO] [stderr] 163 | |     Box<glfw::Window>,
[INFO] [stderr] 164 | |     Box<Receiver<(f64, glfw::WindowEvent)>>,
[INFO] [stderr] 165 | |   ) {
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gui.rs:227:27
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut success = gl::FALSE as GLint;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gui.rs:233:23
[INFO] [stderr]     |
[INFO] [stderr] 233 |         if success != gl::TRUE as GLint {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gui.rs:265:25
[INFO] [stderr]     |
[INFO] [stderr] 265 |       let mut success = gl::FALSE as GLint;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gui.rs:270:21
[INFO] [stderr]     |
[INFO] [stderr] 270 |       if success != gl::TRUE as GLint {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `self.width`
[INFO] [stderr]    --> src/gui.rs:433:36
[INFO] [stderr]     |
[INFO] [stderr] 433 |     let slope_x = (1.0 - (-1.0)) / (self.width - 0) as f32;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `self.height`
[INFO] [stderr]    --> src/gui.rs:434:36
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let slope_y = (1.0 - (-1.0)) / (self.height - 0) as f32;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `8`
[INFO] [stderr]   --> src/models/piece.rs:54:37
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let slope = (1 - (-1)) as f32 / (8 - 0) as f32;
[INFO] [stderr]    |                                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `RETRY_ATTEMPTS_HTTP`
[INFO] [stderr]   --> src/connection.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const RETRY_ATTEMPTS_HTTP: i32 = 5;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `zoom`
[INFO] [stderr]   --> src/camera.rs:22:3
[INFO] [stderr]    |
[INFO] [stderr] 22 |   zoom: f32,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/board.rs:101:5
[INFO] [stderr]     |
[INFO] [stderr] 101 |     write!(f, "{}", color);
[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]     = note: this error 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: this boolean expression can be simplified
[INFO] [stderr]    --> src/board.rs:419:16
[INFO] [stderr]     |
[INFO] [stderr] 419 |         return (dx == 0 && dy != 0) || (dx != 0 && dy == 0);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `dx == 0 && dy != 0 || dx != 0 && dy == 0`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::nonminimal_bool)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] 
[INFO] [stderr] warning: this boolean expression can be simplified
[INFO] [stderr]    --> src/board.rs:433:16
[INFO] [stderr]     |
[INFO] [stderr] 433 |         return (dx == dy && dx != 0) || (dx == 0 && dy != 0) || (dx == 0 && dy != 0);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stderr] help: try
[INFO] [stderr]     |
[INFO] [stderr] 433 |         return dx == 0 && dy != 0 || dx == dy && dx != 0;
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 433 |         return !(dx == 0 && dy == 0 || dx != dy && dx != 0);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 433 |         return (dx != 0 || dy != 0) && (dx == dy || dx == 0);
[INFO] [stderr]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the function has a cyclomatic complexity of 27
[INFO] [stderr]    --> src/board.rs:400:3
[INFO] [stderr]     |
[INFO] [stderr] 400 | /   fn validate_move(&self, from: (usize, usize), to: (usize, usize), piece: &GamePiece) -> bool {
[INFO] [stderr] 401 | |     
[INFO] [stderr] 402 | |     let (dx, dy) = Self::d(from, to);
[INFO] [stderr] 403 | |
[INFO] [stderr] ...   |
[INFO] [stderr] 449 | |     }
[INFO] [stderr] 450 | |   }
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cyclomatic_complexity)] on by default
[INFO] [stderr]     = help: you could split it up into multiple smaller functions
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cyclomatic_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/game.rs:157:9
[INFO] [stderr]     |
[INFO] [stderr] 157 | /         match board_receiver.recv_timeout(Duration::from_millis(100)) {
[INFO] [stderr] 158 | |           Ok(new_board) => {
[INFO] [stderr] 159 | |             // Update board with new or old board
[INFO] [stderr] 160 | |             window.update_board(new_board.clone());
[INFO] [stderr] 161 | |           }
[INFO] [stderr] 162 | |           Err(_) => (),
[INFO] [stderr] 163 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_match)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 157 |         if let Ok(new_board) = board_receiver.recv_timeout(Duration::from_millis(100)) {
[INFO] [stderr] 158 |   // Update board with new or old board
[INFO] [stderr] 159 |   window.update_board(new_board.clone());
[INFO] [stderr] 160 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/game.rs:166:9
[INFO] [stderr]     |
[INFO] [stderr] 166 | /         match close_receiver.recv_timeout(Duration::from_millis(10)) {
[INFO] [stderr] 167 | |           Ok(close) => {
[INFO] [stderr] 168 | |             if close {
[INFO] [stderr] 169 | |               window.close();
[INFO] [stderr] ...   |
[INFO] [stderr] 172 | |           Err(_) => (),
[INFO] [stderr] 173 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 166 |         if let Ok(close) = close_receiver.recv_timeout(Duration::from_millis(10)) {
[INFO] [stderr] 167 |   if close {
[INFO] [stderr] 168 |     window.close();
[INFO] [stderr] 169 |   }
[INFO] [stderr] 170 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/game.rs:228:9
[INFO] [stderr]     |
[INFO] [stderr] 228 | /         match gui_receiver.recv_timeout(Duration::from_millis(100)) {
[INFO] [stderr] 229 | |           Ok(gui_input) => {
[INFO] [stderr] 230 | |             received_input = true;
[INFO] [stderr] 231 | |             input = gui_input;
[INFO] [stderr] 232 | |           },
[INFO] [stderr] 233 | |           Err(_) => (), // Received nothing yet
[INFO] [stderr] 234 | |         };
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 228 |         if let Ok(gui_input) = gui_receiver.recv_timeout(Duration::from_millis(100)) {
[INFO] [stderr] 229 |   received_input = true;
[INFO] [stderr] 230 |   input = gui_input;
[INFO] [stderr] 231 | };
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game.rs:263:9
[INFO] [stderr]     |
[INFO] [stderr] 263 |         board_sender.send(self.board.clone());
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/game.rs:364:5
[INFO] [stderr]     |
[INFO] [stderr] 364 |     let _ = game.save("test.json");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::let_unit_value)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: this let-binding has unit value. Consider omitting `let _ =`
[INFO] [stderr]    --> src/game.rs:368:5
[INFO] [stderr]     |
[INFO] [stderr] 368 |     let _ = game2.load("test.json");
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#let_unit_value
[INFO] [stderr] 
[INFO] [stderr] warning: `if _ { .. } else { .. }` is an expression
[INFO] [stderr]   --> src/client.rs:77:5
[INFO] [stderr]    |
[INFO] [stderr] 77 | /     let connection: Box<Connection>;
[INFO] [stderr] 78 | |
[INFO] [stderr] 79 | |     // TCP
[INFO] [stderr] 80 | |     if addr.starts_with("tcp://") {
[INFO] [stderr] ...  |
[INFO] [stderr] 91 | |       connection = Box::new(EchoConnection::new());
[INFO] [stderr] 92 | |     }
[INFO] [stderr]    | |_____^ help: it is more idiomatic to write: `let connection = if addr.starts_with("tcp://") { ..; Box::new(listener) } else { Box::new(EchoConnection::new()) };`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::useless_let_if_seq)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#useless_let_if_seq
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/client.rs:211:5
[INFO] [stderr]     |
[INFO] [stderr] 211 | /     match client.handle_reply(&Message::MakeMove.to_string()) {
[INFO] [stderr] 212 | |       Ok(_) => panic!("Not supposed to accept this message"),
[INFO] [stderr] 213 | |       Err(_) => (),
[INFO] [stderr] 214 | |     };
[INFO] [stderr]     | |_____^ help: try this: `if let Ok(_) = client.handle_reply(&Message::MakeMove.to_string()) { panic!("Not supposed to accept this message") }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you seem to be trying to use match for destructuring a single pattern. Consider using `if let`
[INFO] [stderr]    --> src/client.rs:229:5
[INFO] [stderr]     |
[INFO] [stderr] 229 | /     match client.handle_reply(&format!("{} random_text", Message::Bye)) {
[INFO] [stderr] 230 | |       Ok(msg) => panic!("Not supposed to accept this message: {}", msg.0),
[INFO] [stderr] 231 | |       Err(_) => (),
[INFO] [stderr] 232 | |     };
[INFO] [stderr]     | |_____^ help: try this: `if let Ok(msg) = client.handle_reply(&format!("{} random_text", Message::Bye)) { panic!("Not supposed to accept this message: {}", msg.0) }`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `connection::EchoConnection`
[INFO] [stderr]   --> src/connection.rs:43:3
[INFO] [stderr]    |
[INFO] [stderr] 43 | /   pub fn new() -> Self {
[INFO] [stderr] 44 | |     EchoConnection{}
[INFO] [stderr] 45 | |   }
[INFO] [stderr]    | |___^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(clippy::new_without_default_derive)] on by default
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]    |
[INFO] [stderr] 37 | #[derive(Default)]
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: The function/method `write` doesn't need a mutable reference
[INFO] [stderr]    --> src/connection.rs:136:29
[INFO] [stderr]     |
[INFO] [stderr] 136 |     match self.stream.write(&mut raw_data) {
[INFO] [stderr]     |                             ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::unnecessary_mut_passed)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_mut_passed
[INFO] [stderr] 
[INFO] [stderr] warning: you should consider deriving a `Default` implementation for `connection::SelfConnection`
[INFO] [stderr]    --> src/connection.rs:190:3
[INFO] [stderr]     |
[INFO] [stderr] 190 | /   pub fn new() -> SelfConnection {
[INFO] [stderr] 191 | |     SelfConnection{}
[INFO] [stderr] 192 | |   }
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#new_without_default_derive
[INFO] [stderr] help: try this
[INFO] [stderr]     |
[INFO] [stderr] 185 | #[derive(Default)]
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/connection.rs:331:5
[INFO] [stderr]     |
[INFO] [stderr] 331 |     self.client.delete(&format!("{}/clients/{}", self.endpoint, self.name)).send();
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/graphic_object.rs:117:36
[INFO] [stderr]     |
[INFO] [stderr] 117 |   pub fn update(&mut self, points: &Vec<Vertice>, indices: &Vec<i32>) {
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::ptr_arg)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 117 |   pub fn update(&mut self, points: &[Vertice], indices: &Vec<i32>) {
[INFO] [stderr]     |                                    ^^^^^^^^^^
[INFO] [stderr] help: change `points.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 118 |     self.points = points.to_owned();
[INFO] [stderr]     |                   ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: writing `&Vec<_>` instead of `&[_]` involves one more reference and cannot be used with non-Vec-based slices.
[INFO] [stderr]    --> src/graphic_object.rs:117:60
[INFO] [stderr]     |
[INFO] [stderr] 117 |   pub fn update(&mut self, points: &Vec<Vertice>, indices: &Vec<i32>) {
[INFO] [stderr]     |                                                            ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#ptr_arg
[INFO] [stderr] help: change this to
[INFO] [stderr]     |
[INFO] [stderr] 117 |   pub fn update(&mut self, points: &Vec<Vertice>, indices: &[i32]) {
[INFO] [stderr]     |                                                            ^^^^^^
[INFO] [stderr] help: change `indices.clone()` to
[INFO] [stderr]     |
[INFO] [stderr] 119 |     self.indices = indices.to_owned();
[INFO] [stderr]     |                    ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: very complex type used. Consider factoring parts into `type` definitions
[INFO] [stderr]    --> src/gui.rs:161:44
[INFO] [stderr]     |
[INFO] [stderr] 161 |     fn init_glfw(width: u32, height: u32) -> (
[INFO] [stderr]     |  ____________________________________________^
[INFO] [stderr] 162 | |     Box<glfw::Glfw>,
[INFO] [stderr] 163 | |     Box<glfw::Window>,
[INFO] [stderr] 164 | |     Box<Receiver<(f64, glfw::WindowEvent)>>,
[INFO] [stderr] 165 | |   ) {
[INFO] [stderr]     | |___^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::type_complexity)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#type_complexity
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gui.rs:227:27
[INFO] [stderr]     |
[INFO] [stderr] 227 |         let mut success = gl::FALSE as GLint;
[INFO] [stderr]     |                           ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::cast_lossless)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gui.rs:233:23
[INFO] [stderr]     |
[INFO] [stderr] 233 |         if success != gl::TRUE as GLint {
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gui.rs:265:25
[INFO] [stderr]     |
[INFO] [stderr] 265 |       let mut success = gl::FALSE as GLint;
[INFO] [stderr]     |                         ^^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::FALSE)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: casting u8 to i32 may become silently lossy if types change
[INFO] [stderr]    --> src/gui.rs:270:21
[INFO] [stderr]     |
[INFO] [stderr] 270 |       if success != gl::TRUE as GLint {
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^^^^ help: try: `i32::from(gl::TRUE)`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cast_lossless
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `self.width`
[INFO] [stderr]    --> src/gui.rs:433:36
[INFO] [stderr]     |
[INFO] [stderr] 433 |     let slope_x = (1.0 - (-1.0)) / (self.width - 0) as f32;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::identity_op)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] warning: the operation is ineffective. Consider reducing it to `self.height`
[INFO] [stderr]    --> src/gui.rs:434:36
[INFO] [stderr]     |
[INFO] [stderr] 434 |     let slope_y = (1.0 - (-1.0)) / (self.height - 0) as f32;
[INFO] [stderr]     |                                    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/gui.rs:484:5
[INFO] [stderr]     |
[INFO] [stderr] 484 |     assert_eq!(x, 0.0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::float_cmp)] on by default
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/gui.rs:484:5
[INFO] [stderr]     |
[INFO] [stderr] 484 |     assert_eq!(x, 0.0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error 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] error: strict comparison of f32 or f64
[INFO] [stderr]    --> src/gui.rs:485:5
[INFO] [stderr]     |
[INFO] [stderr] 485 |     assert_eq!(y, 0.0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr] note: std::f32::EPSILON and std::f64::EPSILON are available.
[INFO] [stderr]    --> src/gui.rs:485:5
[INFO] [stderr]     |
[INFO] [stderr] 485 |     assert_eq!(y, 0.0);
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#float_cmp
[INFO] [stderr]     = note: this error 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: the operation is ineffective. Consider reducing it to `8`
[INFO] [stderr]   --> src/models/piece.rs:54:37
[INFO] [stderr]    |
[INFO] [stderr] 54 |     let slope = (1 - (-1)) as f32 / (8 - 0) as f32;
[INFO] [stderr]    |                                     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#identity_op
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `rust_chess`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "79d2156a2f9f6a58b8f3d3ef0f2143706845c48424c612d46638ed01a6262e3c"`
[INFO] running `"docker" "rm" "-f" "79d2156a2f9f6a58b8f3d3ef0f2143706845c48424c612d46638ed01a6262e3c"`
[INFO] [stdout] 79d2156a2f9f6a58b8f3d3ef0f2143706845c48424c612d46638ed01a6262e3c