[INFO] cloning repository https://github.com/saper150/snek [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/saper150/snek" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaper150%2Fsnek", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaper150%2Fsnek'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 5ec4f7e416ee3a2e3bcdf195d788b82e7f4aa40e [INFO] linting saper150/snek against nightly for clippy-nonminimal_bool-denied [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsaper150%2Fsnek" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/saper150/snek [INFO] finished tweaking git repo https://github.com/saper150/snek [INFO] tweaked toml for git repo https://github.com/saper150/snek written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/saper150/snek 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/saper150/snek 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] Updating crates.io index [INFO] [stderr] Downloading crates ... 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[INFO] [stdout] 07218dba51954913a2362c4f7aef309327ad49eb8d1fe3d3ba27c258f7cf5fab [INFO] running `Command { std: "docker" "start" "-a" "07218dba51954913a2362c4f7aef309327ad49eb8d1fe3d3ba27c258f7cf5fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "07218dba51954913a2362c4f7aef309327ad49eb8d1fe3d3ba27c258f7cf5fab", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07218dba51954913a2362c4f7aef309327ad49eb8d1fe3d3ba27c258f7cf5fab", kill_on_drop: false }` [INFO] [stdout] 07218dba51954913a2362c4f7aef309327ad49eb8d1fe3d3ba27c258f7cf5fab [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 6abda50756d6bb4ded3962dfeb1fb503c7e88c1a6cc04aa74dd6760b7d684d73 [INFO] running `Command { std: "docker" "start" "-a" "6abda50756d6bb4ded3962dfeb1fb503c7e88c1a6cc04aa74dd6760b7d684d73", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.69 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling cc v1.0.50 [INFO] [stderr] Compiling xml-rs v0.8.2 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.106 [INFO] [stderr] Compiling pkg-config v0.3.17 [INFO] [stderr] Compiling memoffset v0.5.4 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Checking stb_truetype v0.3.1 [INFO] [stderr] Checking linked-hash-map v0.5.2 [INFO] [stderr] Compiling proc-macro2 v1.0.10 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Checking smallvec v0.6.13 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling num-integer v0.1.42 [INFO] [stderr] Compiling version_check v0.9.1 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Compiling ryu v1.0.3 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking crossbeam-epoch v0.8.2 [INFO] [stderr] Checking downcast-rs v1.1.1 [INFO] [stderr] Compiling rustc-demangle v0.1.16 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Compiling num-rational v0.2.4 [INFO] [stderr] Compiling error-chain v0.12.2 [INFO] [stderr] Compiling libloading v0.5.2 [INFO] [stderr] Compiling backtrace-sys v0.1.35 [INFO] [stderr] Compiling num-complex v0.2.4 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling gl_generator v0.13.1 [INFO] [stderr] Compiling gl_generator v0.14.0 [INFO] [stderr] Compiling itoa v0.4.5 [INFO] [stderr] Checking xdg v2.2.0 [INFO] [stderr] Checking crossbeam-deque v0.7.3 [INFO] [stderr] Checking dlib v0.4.1 [INFO] [stderr] Checking wayland-sys v0.21.13 [INFO] [stderr] Compiling quote v1.0.3 [INFO] [stderr] Compiling typenum v1.12.0 [INFO] [stderr] Compiling pulldown-cmark v0.2.0 [INFO] [stderr] Compiling bzip2-sys v0.1.8+1.0.8 [INFO] [stderr] Compiling minimp3-sys v0.3.2 [INFO] [stderr] Compiling libudev-sys v0.1.4 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking memmap v0.7.0 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking ordered-float v1.0.2 [INFO] [stderr] Checking line_drawing v0.7.0 [INFO] [stderr] Compiling glutin_egl_sys v0.1.4 [INFO] [stderr] Compiling glutin_glx_sys v0.1.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Compiling alsa-sys v0.1.2 [INFO] [stderr] Checking rusttype v0.8.3 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking draw_state v0.8.0 [INFO] [stderr] Checking lock_api v0.3.4 [INFO] [stderr] Compiling bitflags v1.2.1 [INFO] [stderr] Compiling remove_dir_all v0.5.2 [INFO] [stderr] Checking adler32 v1.0.4 [INFO] [stderr] Compiling nix v0.15.0 [INFO] [stderr] Compiling num-derive v0.2.5 [INFO] [stderr] Compiling gfx_gl v0.6.1 [INFO] [stderr] Compiling backtrace v0.3.46 [INFO] [stderr] Checking gfx_core v0.9.2 [INFO] [stderr] Checking rusttype v0.7.9 [INFO] [stderr] Checking andrew v0.2.1 [INFO] 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[INFO] [stderr] Checking gfx v0.18.2 [INFO] [stderr] Checking rpds v0.6.0 [INFO] [stderr] Checking wayland-commons v0.21.13 [INFO] [stderr] Compiling euclid_macros v0.1.0 [INFO] [stderr] Compiling smart-default v0.5.2 [INFO] [stderr] Checking gilrs-core v0.2.5 [INFO] [stderr] Compiling serde_derive v1.0.106 [INFO] [stderr] Checking gilrs v0.7.4 [INFO] [stderr] Checking euclid v0.19.9 [INFO] [stderr] Checking gfx_device_gl v0.16.2 [INFO] [stderr] Checking tiff v0.3.1 [INFO] [stderr] Checking image v0.22.5 [INFO] [stderr] Checking lyon_geom v0.12.7 [INFO] [stderr] Checking lyon_path v0.13.2 [INFO] [stderr] Checking lyon_tessellation v0.13.5 [INFO] [stderr] Checking lyon_algorithms v0.13.4 [INFO] [stderr] Checking lyon v0.13.5 [INFO] [stderr] Checking toml v0.5.6 [INFO] [stderr] Compiling cargo_metadata v0.6.4 [INFO] [stderr] Compiling skeptic v0.13.4 [INFO] [stderr] Compiling ggez v0.5.1 [INFO] [stderr] Checking rodio v0.9.0 [INFO] [stderr] Checking smithay-client-toolkit v0.4.6 [INFO] [stderr] Checking winit v0.19.5 [INFO] [stderr] Checking glutin v0.20.1 [INFO] [stderr] Checking gfx_window_glutin v0.30.0 [INFO] [stderr] Checking rr v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: this import is redundant [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | use ggez; [INFO] [stdout] | ^^^^^^^^^ help: remove it entirely [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports [INFO] [stdout] = note: `#[warn(clippy::single_component_path_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this import is redundant [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | use rpds; [INFO] [stdout] | ^^^^^^^^^ help: remove it entirely [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this import is redundant [INFO] [stdout] --> src/path.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | use rpds; [INFO] [stdout] | ^^^^^^^^^ help: remove it entirely [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant field names in struct initialization [INFO] [stdout] --> src/snek.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | body: body, [INFO] [stdout] | ^^^^^^^^^^ help: replace it with: `body` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stdout] = note: `#[warn(clippy::redundant_field_names)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant field names in struct initialization [INFO] [stdout] --> src/main.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | snek: snek, [INFO] [stdout] | ^^^^^^^^^^ help: replace it with: `snek` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant field names in struct initialization [INFO] [stdout] --> src/main.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | scores: scores, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: replace it with: `scores` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this import is redundant [INFO] [stdout] --> src/main.rs:1:1 [INFO] [stdout] | [INFO] [stdout] 1 | use ggez; [INFO] [stdout] | ^^^^^^^^^ help: remove it entirely [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports [INFO] [stdout] = note: `#[warn(clippy::single_component_path_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this import is redundant [INFO] [stdout] --> src/main.rs:9:1 [INFO] [stdout] | [INFO] [stdout] 9 | use rpds; [INFO] [stdout] | ^^^^^^^^^ help: remove it entirely [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this import is redundant [INFO] [stdout] --> src/path.rs:10:1 [INFO] [stdout] | [INFO] [stdout] 10 | use rpds; [INFO] [stdout] | ^^^^^^^^^ help: remove it entirely [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#single_component_path_imports [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant field names in struct initialization [INFO] [stdout] --> src/snek.rs:28:13 [INFO] [stdout] | [INFO] [stdout] 28 | body: body, [INFO] [stdout] | ^^^^^^^^^^ help: replace it with: `body` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stdout] = note: `#[warn(clippy::redundant_field_names)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant field names in struct initialization [INFO] [stdout] --> src/main.rs:66:13 [INFO] [stdout] | [INFO] [stdout] 66 | snek: snek, [INFO] [stdout] | ^^^^^^^^^^ help: replace it with: `snek` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant field names in struct initialization [INFO] [stdout] --> src/main.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | scores: scores, [INFO] [stdout] | ^^^^^^^^^^^^^^ help: replace it with: `scores` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_field_names [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ModuloSigned` is never used [INFO] [stdout] --> src/grid.rs:69:7 [INFO] [stdout] | [INFO] [stdout] 69 | trait ModuloSigned { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_not_occupied` is never used [INFO] [stdout] --> src/path.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn find_not_occupied(snek: &Snek, grid: &Grid) -> GridPosition { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_blocking` is never used [INFO] [stdout] --> src/path.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn is_blocking(snek: &Snek, grid: &Grid) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `can_move` is never used [INFO] [stdout] --> src/path.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn can_move(snek: &Snek, grid: &Grid) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded `return` statement [INFO] [stdout] --> src/grid.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | return Grid { size_x, size_y }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stdout] = note: `#[warn(clippy::needless_return)]` on by default [INFO] [stdout] help: remove `return` [INFO] [stdout] | [INFO] [stdout] 17 - return Grid { size_x, size_y }; [INFO] [stdout] 17 + Grid { size_x, size_y } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded `return` statement [INFO] [stdout] --> src/path.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | return Ordering::Greater; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stdout] help: remove `return` [INFO] [stdout] | [INFO] [stdout] 27 - return Ordering::Greater; [INFO] [stdout] 27 + Ordering::Greater [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded `return` statement [INFO] [stdout] --> src/path.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | return Ordering::Less; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stdout] help: remove `return` [INFO] [stdout] | [INFO] [stdout] 29 - return Ordering::Less; [INFO] [stdout] 29 + Ordering::Less [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler [INFO] [stdout] --> src/path.rs:70:34 [INFO] [stdout] | [INFO] [stdout] 70 | if !visited.contains(&next_position) && !snek.is_occupied(&next_position) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: change this to: `next_position` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow [INFO] [stdout] = note: `#[warn(clippy::needless_borrow)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler [INFO] [stdout] --> src/path.rs:70:71 [INFO] [stdout] | [INFO] [stdout] 70 | if !visited.contains(&next_position) && !snek.is_occupied(&next_position) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: change this to: `next_position` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded `return` statement [INFO] [stdout] --> src/path.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | return can; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stdout] help: remove `return` [INFO] [stdout] | [INFO] [stdout] 88 - return can; [INFO] [stdout] 88 + can [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: manual implementation of an assign operation [INFO] [stdout] --> src/path.rs:123:43 [INFO] [stdout] | [INFO] [stdout] 123 | scores.entry(head).and_modify(|e| *e = *e + 1).or_insert(1); [INFO] [stdout] | ^^^^^^^^^^^ help: replace it with: `*e += 1` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stdout] = note: `#[warn(clippy::assign_op_pattern)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded late initialization [INFO] [stdout] --> src/path.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | let next_snek; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init [INFO] [stdout] = note: `#[warn(clippy::needless_late_init)]` on by default [INFO] [stdout] help: move the declaration `next_snek` here and remove the assignments from the branches [INFO] [stdout] | [INFO] [stdout] 130 ~ [INFO] [stdout] 131 ~ let next_snek = if *next_position == food { [INFO] [stdout] 132 ~ current_snek.eat(*next_position) [INFO] [stdout] 133 | } else { [INFO] [stdout] 134 ~ current_snek.go(next_position) [INFO] [stdout] 135 ~ }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: deref which would be done by auto-deref [INFO] [stdout] --> src/snek.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | (*self.body.front().unwrap()).pos [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.body.front().unwrap()` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref [INFO] [stdout] = note: `#[warn(clippy::explicit_auto_deref)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant pattern matching, consider using `is_some()` [INFO] [stdout] --> src/snek.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | / match self.body.iter().find(|&&element| element.pos == *pos) { [INFO] [stdout] 44 | | Some(_) => true, [INFO] [stdout] 45 | | None => false [INFO] [stdout] 46 | | } [INFO] [stdout] | |_________^ help: try: `self.body.iter().find(|&&element| element.pos == *pos).is_some()` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stdout] = note: `#[warn(clippy::redundant_pattern_matching)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this boolean expression can be simplified [INFO] [stdout] --> src/main.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | if !(Instant::now() - self.last_update >= Duration::from_millis(MILLIS_PER_UPDATE)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(Instant::now() - self.last_update < Duration::from_millis(MILLIS_PER_UPDATE))` [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: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | pos.x as i32 * GRID_CELL_SIZE.0 as i32, [INFO] [stdout] | ^^^^^^^^^^^^ help: try: `pos.x` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] = note: `#[warn(clippy::unnecessary_cast)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:203:28 [INFO] [stdout] | [INFO] [stdout] 203 | pos.x as i32 * GRID_CELL_SIZE.0 as i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GRID_CELL_SIZE.0` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | pos.y as i32 * GRID_CELL_SIZE.1 as i32, [INFO] [stdout] | ^^^^^^^^^^^^ help: try: `pos.y` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:204:28 [INFO] [stdout] | [INFO] [stdout] 204 | pos.y as i32 * GRID_CELL_SIZE.1 as i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GRID_CELL_SIZE.1` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | GRID_CELL_SIZE.0 as i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GRID_CELL_SIZE.0` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:206:13 [INFO] [stdout] | [INFO] [stdout] 206 | GRID_CELL_SIZE.1 as i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GRID_CELL_SIZE.1` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `ModuloSigned` is never used [INFO] [stdout] --> src/grid.rs:69:7 [INFO] [stdout] | [INFO] [stdout] 69 | trait ModuloSigned { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `find_not_occupied` is never used [INFO] [stdout] --> src/path.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn find_not_occupied(snek: &Snek, grid: &Grid) -> GridPosition { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `is_blocking` is never used [INFO] [stdout] --> src/path.rs:57:4 [INFO] [stdout] | [INFO] [stdout] 57 | fn is_blocking(snek: &Snek, grid: &Grid) -> bool { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `can_move` is never used [INFO] [stdout] --> src/path.rs:80:4 [INFO] [stdout] | [INFO] [stdout] 80 | fn can_move(snek: &Snek, grid: &Grid) -> bool { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded `return` statement [INFO] [stdout] --> src/grid.rs:17:9 [INFO] [stdout] | [INFO] [stdout] 17 | return Grid { size_x, size_y }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stdout] = note: `#[warn(clippy::needless_return)]` on by default [INFO] [stdout] help: remove `return` [INFO] [stdout] | [INFO] [stdout] 17 - return Grid { size_x, size_y }; [INFO] [stdout] 17 + Grid { size_x, size_y } [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded `return` statement [INFO] [stdout] --> src/path.rs:27:13 [INFO] [stdout] | [INFO] [stdout] 27 | return Ordering::Greater; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stdout] help: remove `return` [INFO] [stdout] | [INFO] [stdout] 27 - return Ordering::Greater; [INFO] [stdout] 27 + Ordering::Greater [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded `return` statement [INFO] [stdout] --> src/path.rs:29:13 [INFO] [stdout] | [INFO] [stdout] 29 | return Ordering::Less; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stdout] help: remove `return` [INFO] [stdout] | [INFO] [stdout] 29 - return Ordering::Less; [INFO] [stdout] 29 + Ordering::Less [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler [INFO] [stdout] --> src/path.rs:70:34 [INFO] [stdout] | [INFO] [stdout] 70 | if !visited.contains(&next_position) && !snek.is_occupied(&next_position) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: change this to: `next_position` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow [INFO] [stdout] = note: `#[warn(clippy::needless_borrow)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this expression creates a reference which is immediately dereferenced by the compiler [INFO] [stdout] --> src/path.rs:70:71 [INFO] [stdout] | [INFO] [stdout] 70 | if !visited.contains(&next_position) && !snek.is_occupied(&next_position) { [INFO] [stdout] | ^^^^^^^^^^^^^^ help: change this to: `next_position` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_borrow [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded `return` statement [INFO] [stdout] --> src/path.rs:88:5 [INFO] [stdout] | [INFO] [stdout] 88 | return can; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_return [INFO] [stdout] help: remove `return` [INFO] [stdout] | [INFO] [stdout] 88 - return can; [INFO] [stdout] 88 + can [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: manual implementation of an assign operation [INFO] [stdout] --> src/path.rs:123:43 [INFO] [stdout] | [INFO] [stdout] 123 | scores.entry(head).and_modify(|e| *e = *e + 1).or_insert(1); [INFO] [stdout] | ^^^^^^^^^^^ help: replace it with: `*e += 1` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#assign_op_pattern [INFO] [stdout] = note: `#[warn(clippy::assign_op_pattern)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unneeded late initialization [INFO] [stdout] --> src/path.rs:130:13 [INFO] [stdout] | [INFO] [stdout] 130 | let next_snek; [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#needless_late_init [INFO] [stdout] = note: `#[warn(clippy::needless_late_init)]` on by default [INFO] [stdout] help: move the declaration `next_snek` here and remove the assignments from the branches [INFO] [stdout] | [INFO] [stdout] 130 ~ [INFO] [stdout] 131 ~ let next_snek = if *next_position == food { [INFO] [stdout] 132 ~ current_snek.eat(*next_position) [INFO] [stdout] 133 | } else { [INFO] [stdout] 134 ~ current_snek.go(next_position) [INFO] [stdout] 135 ~ }; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: deref which would be done by auto-deref [INFO] [stdout] --> src/snek.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | (*self.body.front().unwrap()).pos [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `self.body.front().unwrap()` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#explicit_auto_deref [INFO] [stdout] = note: `#[warn(clippy::explicit_auto_deref)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: redundant pattern matching, consider using `is_some()` [INFO] [stdout] --> src/snek.rs:43:9 [INFO] [stdout] | [INFO] [stdout] 43 | / match self.body.iter().find(|&&element| element.pos == *pos) { [INFO] [stdout] 44 | | Some(_) => true, [INFO] [stdout] 45 | | None => false [INFO] [stdout] 46 | | } [INFO] [stdout] | |_________^ help: try: `self.body.iter().find(|&&element| element.pos == *pos).is_some()` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#redundant_pattern_matching [INFO] [stdout] = note: `#[warn(clippy::redundant_pattern_matching)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: this boolean expression can be simplified [INFO] [stdout] --> src/main.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | if !(Instant::now() - self.last_update >= Duration::from_millis(MILLIS_PER_UPDATE)) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `(Instant::now() - self.last_update < Duration::from_millis(MILLIS_PER_UPDATE))` [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: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | pos.x as i32 * GRID_CELL_SIZE.0 as i32, [INFO] [stdout] | ^^^^^^^^^^^^ help: try: `pos.x` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] = note: `#[warn(clippy::unnecessary_cast)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:203:28 [INFO] [stdout] | [INFO] [stdout] 203 | pos.x as i32 * GRID_CELL_SIZE.0 as i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GRID_CELL_SIZE.0` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:204:13 [INFO] [stdout] | [INFO] [stdout] 204 | pos.y as i32 * GRID_CELL_SIZE.1 as i32, [INFO] [stdout] | ^^^^^^^^^^^^ help: try: `pos.y` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:204:28 [INFO] [stdout] | [INFO] [stdout] 204 | pos.y as i32 * GRID_CELL_SIZE.1 as i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GRID_CELL_SIZE.1` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:205:13 [INFO] [stdout] | [INFO] [stdout] 205 | GRID_CELL_SIZE.0 as i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GRID_CELL_SIZE.0` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: casting to the same type is unnecessary (`i32` -> `i32`) [INFO] [stdout] --> src/main.rs:206:13 [INFO] [stdout] | [INFO] [stdout] 206 | GRID_CELL_SIZE.1 as i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: try: `GRID_CELL_SIZE.1` [INFO] [stdout] | [INFO] [stdout] = help: for further information visit https://rust-lang.github.io/rust-clippy/master/index.html#unnecessary_cast [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 08s [INFO] running `Command { std: "docker" "inspect" "6abda50756d6bb4ded3962dfeb1fb503c7e88c1a6cc04aa74dd6760b7d684d73", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6abda50756d6bb4ded3962dfeb1fb503c7e88c1a6cc04aa74dd6760b7d684d73", kill_on_drop: false }` [INFO] [stdout] 6abda50756d6bb4ded3962dfeb1fb503c7e88c1a6cc04aa74dd6760b7d684d73