[INFO] cloning repository https://github.com/drtino7/snake_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drtino7/snake_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrtino7%2Fsnake_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrtino7%2Fsnake_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 278a57fa58c67e70b6c5ce8c2bed1a15acb86d25
[INFO] linting drtino7/snake_game against nightly for clippy-nonminimal_bool-denied
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrtino7%2Fsnake_game" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/drtino7/snake_game
[INFO] finished tweaking git repo https://github.com/drtino7/snake_game
[INFO] tweaked toml for git repo https://github.com/drtino7/snake_game written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/drtino7/snake_game on toolchain nightly
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/drtino7/snake_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot v0.12.2
[INFO] [stderr]   Downloaded redox_syscall v0.5.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce86769479b91b53e081514d6f453a3240b53ae8fa1c20de8499274a2f22b0d4
[INFO] running `Command { std: "docker" "start" "-a" "ce86769479b91b53e081514d6f453a3240b53ae8fa1c20de8499274a2f22b0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce86769479b91b53e081514d6f453a3240b53ae8fa1c20de8499274a2f22b0d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce86769479b91b53e081514d6f453a3240b53ae8fa1c20de8499274a2f22b0d4", kill_on_drop: false }`
[INFO] [stdout] ce86769479b91b53e081514d6f453a3240b53ae8fa1c20de8499274a2f22b0d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "clippy" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 085bcbb04393ed6579b0c57ce4438988be428205e7de4284eda719c316688055
[INFO] running `Command { std: "docker" "start" "-a" "085bcbb04393ed6579b0c57ce4438988be428205e7de4284eda719c316688055", kill_on_drop: false }`
[INFO] [stderr]     Checking bitflags v2.5.0
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking signal-hook-registry v1.4.2
[INFO] [stderr]     Checking parking_lot_core v0.9.10
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking signal-hook v0.3.17
[INFO] [stderr]     Checking signal-hook-mio v0.2.3
[INFO] [stderr]     Checking parking_lot v0.12.2
[INFO] [stderr]     Checking crossterm v0.27.0
[INFO] [stderr]     Checking snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/snake_movement.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |                         if !((i-1,j) == (i_,j_)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: try: `((i-1,j) != (i_,j_))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/snake_movement.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 |                         if !((i+1,j) == (i_,j_)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: try: `((i+1,j) != (i_,j_))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/snake_movement.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |                         if !((i,j-1) == (i_,j_)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: try: `((i,j-1) != (i_,j_))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/snake_movement.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         if !((i,j+1) == (i_,j_)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: try: `((i,j+1) != (i_,j_))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 if tail == false{
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ help: try: `!tail`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 if head == false{
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ help: try: `!head`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/snake_movement.rs:156:24
[INFO] [stdout]     |
[INFO] [stdout] 156 |                     if *card == "south".to_string() {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]     = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:170:44
[INFO] [stdout]     |
[INFO] [stdout] 170 | ...                   if flag == false{
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: try: `!flag`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/snake_movement.rs:188:49
[INFO] [stdout]     |
[INFO] [stdout] 188 | / ...                   match game_guard[i][j]{
[INFO] [stdout] 189 | | ...                       Definitions::Tail((i_,j_)) => {
[INFO] [stdout] 190 | | ...                           game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 191 | | ...                           flag = true;
[INFO] [stdout] 192 | | ...                       } ,
[INFO] [stdout] 193 | | ...                       _ => {},
[INFO] [stdout] 194 | | ...                   }
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 188 ~                                                 if let Definitions::Tail((i_,j_)) = game_guard[i][j] {
[INFO] [stdout] 189 +                                                     game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 190 +                                                     flag = true;
[INFO] [stdout] 191 +                                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/snake_movement.rs:226:28
[INFO] [stdout]     |
[INFO] [stdout] 226 |                         if *card == "north".to_string() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:238:44
[INFO] [stdout]     |
[INFO] [stdout] 238 | ...                   if flag == false{
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: try: `!flag`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/snake_movement.rs:257:49
[INFO] [stdout]     |
[INFO] [stdout] 257 | / ...                   match game_guard[i][j]{
[INFO] [stdout] 258 | | ...                       Definitions::Tail((i_,j_)) => {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 259 | | ...                       flag = true;
[INFO] [stdout] 260 | | ...                       },
[INFO] [stdout] 261 | | ...                       _ => {},
[INFO] [stdout] 262 | | ...                   }
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 257 ~                                                 if let Definitions::Tail((i_,j_)) = game_guard[i][j] {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 258 +                                                 flag = true;
[INFO] [stdout] 259 +                                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/snake_movement.rs:292:28
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         if *card == "west".to_string() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:302:44
[INFO] [stdout]     |
[INFO] [stdout] 302 | ...                   if flag == false{
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: try: `!flag`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/snake_movement.rs:320:49
[INFO] [stdout]     |
[INFO] [stdout] 320 | / ...                   match game_guard[i][j]{
[INFO] [stdout] 321 | | ...                       Definitions::Tail((i_,j_)) => {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 322 | | ...                       flag = true;
[INFO] [stdout] 323 | | ...                       },
[INFO] [stdout] 324 | | ...                       _ => {},
[INFO] [stdout] 325 | | ...                   }
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 320 ~                                                 if let Definitions::Tail((i_,j_)) = game_guard[i][j] {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 321 +                                                 flag = true;
[INFO] [stdout] 322 +                                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/snake_movement.rs:357:28
[INFO] [stdout]     |
[INFO] [stdout] 357 |                         if *card == "east".to_string() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:371:44
[INFO] [stdout]     |
[INFO] [stdout] 371 | ...                   if flag == false {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: try: `!flag`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/snake_movement.rs:388:49
[INFO] [stdout]     |
[INFO] [stdout] 388 | / ...                   match game_guard[i][j]{
[INFO] [stdout] 389 | | ...                       Definitions::Tail((i_,j_)) => {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 390 | | ...                       flag = true;
[INFO] [stdout] 391 | | ...                       },
[INFO] [stdout] 392 | | ...                       _ => {},
[INFO] [stdout] 393 | | ...                   }
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 388 ~                                                 if let Definitions::Tail((i_,j_)) = game_guard[i][j] {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 389 +                                                 flag = true;
[INFO] [stdout] 390 +                                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 431 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]     = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:433:5
[INFO] [stdout]     |
[INFO] [stdout] 433 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:434:5
[INFO] [stdout]     |
[INFO] [stdout] 434 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:437:5
[INFO] [stdout]     |
[INFO] [stdout] 437 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:438:5
[INFO] [stdout]     |
[INFO] [stdout] 438 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:439:5
[INFO] [stdout]     |
[INFO] [stdout] 439 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:440:5
[INFO] [stdout]     |
[INFO] [stdout] 440 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 441 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/print.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         println!("");
[INFO] [stdout]    |         ^^^^^^^^^--^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/snake_movement.rs:19:28
[INFO] [stdout]    |
[INFO] [stdout] 19 |                         if !((i-1,j) == (i_,j_)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: try: `((i-1,j) != (i_,j_))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout]    = note: `#[warn(clippy::nonminimal_bool)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/snake_movement.rs:44:28
[INFO] [stdout]    |
[INFO] [stdout] 44 |                         if !((i+1,j) == (i_,j_)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: try: `((i+1,j) != (i_,j_))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/snake_movement.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |                         if !((i,j-1) == (i_,j_)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: try: `((i,j-1) != (i_,j_))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this boolean expression can be simplified
[INFO] [stdout]   --> src/snake_movement.rs:93:28
[INFO] [stdout]    |
[INFO] [stdout] 93 |                         if !((i,j+1) == (i_,j_)) {
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^ help: try: `((i,j+1) != (i_,j_))`
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#nonminimal_bool
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:142:20
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 if tail == false{
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ help: try: `!tail`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout]     = note: `#[warn(clippy::bool_comparison)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:153:20
[INFO] [stdout]     |
[INFO] [stdout] 153 |                 if head == false{
[INFO] [stdout]     |                    ^^^^^^^^^^^^^ help: try: `!head`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/snake_movement.rs:156:24
[INFO] [stdout]     |
[INFO] [stdout] 156 |                     if *card == "south".to_string() {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout]     = note: `#[warn(clippy::cmp_owned)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:170:44
[INFO] [stdout]     |
[INFO] [stdout] 170 | ...                   if flag == false{
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: try: `!flag`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/snake_movement.rs:188:49
[INFO] [stdout]     |
[INFO] [stdout] 188 | / ...                   match game_guard[i][j]{
[INFO] [stdout] 189 | | ...                       Definitions::Tail((i_,j_)) => {
[INFO] [stdout] 190 | | ...                           game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 191 | | ...                           flag = true;
[INFO] [stdout] 192 | | ...                       } ,
[INFO] [stdout] 193 | | ...                       _ => {},
[INFO] [stdout] 194 | | ...                   }
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout]     = note: `#[warn(clippy::single_match)]` on by default
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 188 ~                                                 if let Definitions::Tail((i_,j_)) = game_guard[i][j] {
[INFO] [stdout] 189 +                                                     game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 190 +                                                     flag = true;
[INFO] [stdout] 191 +                                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/snake_movement.rs:226:28
[INFO] [stdout]     |
[INFO] [stdout] 226 |                         if *card == "north".to_string() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:238:44
[INFO] [stdout]     |
[INFO] [stdout] 238 | ...                   if flag == false{
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: try: `!flag`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/snake_movement.rs:257:49
[INFO] [stdout]     |
[INFO] [stdout] 257 | / ...                   match game_guard[i][j]{
[INFO] [stdout] 258 | | ...                       Definitions::Tail((i_,j_)) => {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 259 | | ...                       flag = true;
[INFO] [stdout] 260 | | ...                       },
[INFO] [stdout] 261 | | ...                       _ => {},
[INFO] [stdout] 262 | | ...                   }
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 257 ~                                                 if let Definitions::Tail((i_,j_)) = game_guard[i][j] {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 258 +                                                 flag = true;
[INFO] [stdout] 259 +                                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/snake_movement.rs:292:28
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         if *card == "west".to_string() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:302:44
[INFO] [stdout]     |
[INFO] [stdout] 302 | ...                   if flag == false{
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: try: `!flag`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/snake_movement.rs:320:49
[INFO] [stdout]     |
[INFO] [stdout] 320 | / ...                   match game_guard[i][j]{
[INFO] [stdout] 321 | | ...                       Definitions::Tail((i_,j_)) => {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 322 | | ...                       flag = true;
[INFO] [stdout] 323 | | ...                       },
[INFO] [stdout] 324 | | ...                       _ => {},
[INFO] [stdout] 325 | | ...                   }
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 320 ~                                                 if let Definitions::Tail((i_,j_)) = game_guard[i][j] {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 321 +                                                 flag = true;
[INFO] [stdout] 322 +                                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this creates an owned instance just for comparison
[INFO] [stdout]    --> src/snake_movement.rs:357:28
[INFO] [stdout]     |
[INFO] [stdout] 357 |                         if *card == "east".to_string() {
[INFO] [stdout]     |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^ try implementing the comparison without allocating
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#cmp_owned
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: equality checks against false can be replaced by a negation
[INFO] [stdout]    --> src/snake_movement.rs:371:44
[INFO] [stdout]     |
[INFO] [stdout] 371 | ...                   if flag == false {
[INFO] [stdout]     |                          ^^^^^^^^^^^^^ help: try: `!flag`
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#bool_comparison
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: you seem to be trying to use `match` for destructuring a single pattern. Consider using `if let`
[INFO] [stdout]    --> src/snake_movement.rs:388:49
[INFO] [stdout]     |
[INFO] [stdout] 388 | / ...                   match game_guard[i][j]{
[INFO] [stdout] 389 | | ...                       Definitions::Tail((i_,j_)) => {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 390 | | ...                       flag = true;
[INFO] [stdout] 391 | | ...                       },
[INFO] [stdout] 392 | | ...                       _ => {},
[INFO] [stdout] 393 | | ...                   }
[INFO] [stdout]     | |_______________________^
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_match
[INFO] [stdout] help: try
[INFO] [stdout]     |
[INFO] [stdout] 388 ~                                                 if let Definitions::Tail((i_,j_)) = game_guard[i][j] {game_guard[i][j] = Definitions::Snake((i_,j_));
[INFO] [stdout] 389 +                                                 flag = true;
[INFO] [stdout] 390 +                                                 }
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:431:5
[INFO] [stdout]     |
[INFO] [stdout] 431 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout]     = note: `#[warn(clippy::println_empty_string)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:432:5
[INFO] [stdout]     |
[INFO] [stdout] 432 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:433:5
[INFO] [stdout]     |
[INFO] [stdout] 433 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:434:5
[INFO] [stdout]     |
[INFO] [stdout] 434 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:435:5
[INFO] [stdout]     |
[INFO] [stdout] 435 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:437:5
[INFO] [stdout]     |
[INFO] [stdout] 437 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:438:5
[INFO] [stdout]     |
[INFO] [stdout] 438 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:439:5
[INFO] [stdout]     |
[INFO] [stdout] 439 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:440:5
[INFO] [stdout]     |
[INFO] [stdout] 440 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]    --> src/snake_movement.rs:441:5
[INFO] [stdout]     |
[INFO] [stdout] 441 |     println!("");
[INFO] [stdout]     |     ^^^^^^^^^--^
[INFO] [stdout]     |              |
[INFO] [stdout]     |              help: remove the empty string
[INFO] [stdout]     |
[INFO] [stdout]     = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: empty string literal in `println!`
[INFO] [stdout]   --> src/print.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         println!("");
[INFO] [stdout]    |         ^^^^^^^^^--^
[INFO] [stdout]    |                  |
[INFO] [stdout]    |                  help: remove the empty string
[INFO] [stdout]    |
[INFO] [stdout]    = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#println_empty_string
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.16s
[INFO] running `Command { std: "docker" "inspect" "085bcbb04393ed6579b0c57ce4438988be428205e7de4284eda719c316688055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085bcbb04393ed6579b0c57ce4438988be428205e7de4284eda719c316688055", kill_on_drop: false }`
[INFO] [stdout] 085bcbb04393ed6579b0c57ce4438988be428205e7de4284eda719c316688055