[INFO] updating cached repository mehalom/2048
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mehalom/2048
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mehalom/2048" "work/ex/clippy-test-run/sources/stable/gh/mehalom/2048"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable/gh/mehalom/2048'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mehalom/2048" "work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mehalom/2048"`
[INFO] [stderr] Cloning into 'work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mehalom/2048'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e801f029679d1d7ab90992a06c089fc02dd396c1
[INFO] sha for GitHub repo mehalom/2048: e801f029679d1d7ab90992a06c089fc02dd396c1
[INFO] validating manifest of mehalom/2048 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 mehalom/2048 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 mehalom/2048
[INFO] finished frobbing mehalom/2048
[INFO] frobbed toml for mehalom/2048 written to work/ex/clippy-test-run/sources/stable/gh/mehalom/2048/Cargo.toml
[INFO] started frobbing mehalom/2048
[INFO] finished frobbing mehalom/2048
[INFO] frobbed toml for mehalom/2048 written to work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mehalom/2048/Cargo.toml
[INFO] crate mehalom/2048 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 mehalom/2048 against stable+rustflags=-Dclippy::into_iter_on_array for clippy-test-run
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/clippy-test-run/worker-5/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/clippy-test-run/sources/stable+rustflags=-Dclippy%3A%3Ainto_iter_on_array/gh/mehalom/2048:/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 -Dclippy::into_iter_on_array" "-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] 04f883d9fd023e28f1afc9172919e3865d4645749cedbe673477aaa5c8a1fdf0
[INFO] running `"docker" "start" "-a" "04f883d9fd023e28f1afc9172919e3865d4645749cedbe673477aaa5c8a1fdf0"`
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking 2048 v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/game.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:50
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:53
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:56
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:59
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:62
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:65
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/game.rs:230:13
[INFO] [stderr]     |
[INFO] [stderr] 230 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/game.rs:475:9
[INFO] [stderr]     |
[INFO] [stderr] 475 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/game.rs:142:13
[INFO] [stderr]     |
[INFO] [stderr] 142 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::println_empty_string)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:50
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                  ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::write_literal)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:53
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:56
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                        ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:59
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                           ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:62
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                              ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: literal with an empty format string
[INFO] [stderr]    --> src/game.rs:174:65
[INFO] [stderr]     |
[INFO] [stderr] 174 |                 write!(buf, "{} {} {} {} {} {}", 0, 0, 0, 0, 0, 0).unwrap();
[INFO] [stderr]     |                                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#write_literal
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/game.rs:230:13
[INFO] [stderr]     |
[INFO] [stderr] 230 |             println!("");
[INFO] [stderr]     |             ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: using `println!("")`
[INFO] [stderr]    --> src/game.rs:475:9
[INFO] [stderr]     |
[INFO] [stderr] 475 |         println!("");
[INFO] [stderr]     |         ^^^^^^^^^^^^ help: replace it with: `println!()`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stderr] 
[INFO] [stderr] warning: unneeded return statement
[INFO] [stderr]    --> src/game.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         return change;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `change`
[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/game.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         return change;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `change`
[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:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         return change;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `change`
[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:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         return change;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `change`
[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:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         return (score, change);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(score, change)`
[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:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         return answer;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `answer`
[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:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         return false;
[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/game.rs:254:9
[INFO] [stderr]     |
[INFO] [stderr] 254 |         return change;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `change`
[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/game.rs:270:9
[INFO] [stderr]     |
[INFO] [stderr] 270 |         return change;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `change`
[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:279:9
[INFO] [stderr]     |
[INFO] [stderr] 279 |         return change;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `change`
[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:296:9
[INFO] [stderr]     |
[INFO] [stderr] 296 |         return change;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `change`
[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:322:9
[INFO] [stderr]     |
[INFO] [stderr] 322 |         return (score, change);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove `return` as shown: `(score, change)`
[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:381:9
[INFO] [stderr]     |
[INFO] [stderr] 381 |         return answer;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^ help: remove `return` as shown: `answer`
[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:420:9
[INFO] [stderr]     |
[INFO] [stderr] 420 |         return false;
[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: single-character string constant used as pattern
[INFO] [stderr]    --> src/game.rs:164:54
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 let values: Vec<&str> = string.split(" ").collect();
[INFO] [stderr]     |                                                      ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/game.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             change = change | ans.1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `change |= ans.1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `temp`
[INFO] [stderr]    --> src/game.rs:250:22
[INFO] [stderr]     |
[INFO] [stderr] 250 |             for j in 0..self.board.len() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 250 |             for (j, <item>) in temp.iter().enumerate().take(self.board.len()) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/game.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |             change = change | ans.1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `change |= ans.1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/game.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |             change = change | ans.1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `change |= ans.1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/game.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |             change = change | ans.1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `change |= ans.1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `temp`.
[INFO] [stderr]    --> src/game.rs:292:22
[INFO] [stderr]     |
[INFO] [stderr] 292 |             for i in 0..temp.len() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 292 |             for <item> in &temp {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/game.rs:302:15
[INFO] [stderr]     |
[INFO] [stderr] 302 |         while flag == true {
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: try simplifying it as shown: `flag`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/game.rs:316:26
[INFO] [stderr]     |
[INFO] [stderr] 316 |                 score += row[i] as u64;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try: `u64::from(row[i])`
[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] error: this loop never actually loops
[INFO] [stderr]    --> src/game.rs:344:9
[INFO] [stderr]     |
[INFO] [stderr] 344 | /         for c in stdin.keys() {
[INFO] [stderr] 345 | |             answer = match c.unwrap() {
[INFO] [stderr] 346 | |                 Key::Char('q') | Key::Ctrl('c') => Status::Exit,
[INFO] [stderr] 347 | |                 Key::Left | Key::Char('a') => if self.left() {
[INFO] [stderr] ...   |
[INFO] [stderr] 379 | |             break;
[INFO] [stderr] 380 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] warning: single-character string constant used as pattern
[INFO] [stderr]    --> src/game.rs:164:54
[INFO] [stderr]     |
[INFO] [stderr] 164 |                 let values: Vec<&str> = string.split(" ").collect();
[INFO] [stderr]     |                                                      ^^^ help: try using a char instead: `' '`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::single_char_pattern)] on by default
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_char_pattern
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `2048`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/game.rs:249:13
[INFO] [stderr]     |
[INFO] [stderr] 249 |             change = change | ans.1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `change |= ans.1`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::assign_op_pattern)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `j` is used to index `temp`
[INFO] [stderr]    --> src/game.rs:250:22
[INFO] [stderr]     |
[INFO] [stderr] 250 |             for j in 0..self.board.len() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::needless_range_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 250 |             for (j, <item>) in temp.iter().enumerate().take(self.board.len()) {
[INFO] [stderr]     |                 ^^^^^^^^^^^    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/game.rs:265:13
[INFO] [stderr]     |
[INFO] [stderr] 265 |             change = change | ans.1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `change |= ans.1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/game.rs:277:13
[INFO] [stderr]     |
[INFO] [stderr] 277 |             change = change | ans.1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `change |= ans.1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: manual implementation of an assign operation
[INFO] [stderr]    --> src/game.rs:290:13
[INFO] [stderr]     |
[INFO] [stderr] 290 |             change = change | ans.1;
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^ help: replace it with: `change |= ans.1`
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern
[INFO] [stderr] 
[INFO] [stderr] warning: the loop variable `i` is only used to index `temp`.
[INFO] [stderr]    --> src/game.rs:292:22
[INFO] [stderr]     |
[INFO] [stderr] 292 |             for i in 0..temp.len() {
[INFO] [stderr]     |                      ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_range_loop
[INFO] [stderr] help: consider using an iterator
[INFO] [stderr]     |
[INFO] [stderr] 292 |             for <item> in &temp {
[INFO] [stderr]     |                 ^^^^^^    ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: equality checks against true are unnecessary
[INFO] [stderr]    --> src/game.rs:302:15
[INFO] [stderr]     |
[INFO] [stderr] 302 |         while flag == true {
[INFO] [stderr]     |               ^^^^^^^^^^^^ help: try simplifying it as shown: `flag`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(clippy::bool_comparison)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stderr] 
[INFO] [stderr] warning: casting u16 to u64 may become silently lossy if types change
[INFO] [stderr]    --> src/game.rs:316:26
[INFO] [stderr]     |
[INFO] [stderr] 316 |                 score += row[i] as u64;
[INFO] [stderr]     |                          ^^^^^^^^^^^^^ help: try: `u64::from(row[i])`
[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] error: this loop never actually loops
[INFO] [stderr]    --> src/game.rs:344:9
[INFO] [stderr]     |
[INFO] [stderr] 344 | /         for c in stdin.keys() {
[INFO] [stderr] 345 | |             answer = match c.unwrap() {
[INFO] [stderr] 346 | |                 Key::Char('q') | Key::Ctrl('c') => Status::Exit,
[INFO] [stderr] 347 | |                 Key::Left | Key::Char('a') => if self.left() {
[INFO] [stderr] ...   |
[INFO] [stderr] 379 | |             break;
[INFO] [stderr] 380 | |         }
[INFO] [stderr]     | |_________^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[deny(clippy::never_loop)] on by default
[INFO] [stderr]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#never_loop
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `2048`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "04f883d9fd023e28f1afc9172919e3865d4645749cedbe673477aaa5c8a1fdf0"`
[INFO] running `"docker" "rm" "-f" "04f883d9fd023e28f1afc9172919e3865d4645749cedbe673477aaa5c8a1fdf0"`
[INFO] [stdout] 04f883d9fd023e28f1afc9172919e3865d4645749cedbe673477aaa5c8a1fdf0