[INFO] cloning repository https://github.com/Hex-Zero/R-snake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Hex-Zero/R-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHex-Zero%2FR-snake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHex-Zero%2FR-snake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 8a034708154349202ad48649c3e0659eaa3c5753 [INFO] testing Hex-Zero/R-snake against 1.49.0 for beta-1.50-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FHex-Zero%2FR-snake" "/workspace/builds/worker-4/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Hex-Zero/R-snake on toolchain 1.49.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Hex-Zero/R-snake [INFO] finished tweaking git repo https://github.com/Hex-Zero/R-snake [INFO] tweaked toml for git repo https://github.com/Hex-Zero/R-snake written to /workspace/builds/worker-4/source/Cargo.toml [INFO] crate git repo https://github.com/Hex-Zero/R-snake already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 48577a53a1862f18ba0ca0f687333a95cd0936d240075409c87ffb86ea1997d6 [INFO] running `Command { std: "docker" "start" "-a" "48577a53a1862f18ba0ca0f687333a95cd0936d240075409c87ffb86ea1997d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "48577a53a1862f18ba0ca0f687333a95cd0936d240075409c87ffb86ea1997d6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "48577a53a1862f18ba0ca0f687333a95cd0936d240075409c87ffb86ea1997d6", kill_on_drop: false }` [INFO] [stdout] 48577a53a1862f18ba0ca0f687333a95cd0936d240075409c87ffb86ea1997d6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4b4adc098970c372f849f897b27e042032f7e222fdf9908a9c78f927fc18851c [INFO] running `Command { std: "docker" "start" "-a" "4b4adc098970c372f849f897b27e042032f7e222fdf9908a9c78f927fc18851c", kill_on_drop: false }` [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Compiling khronos_api v2.2.0 [INFO] [stderr] Compiling libloading v0.6.2 [INFO] [stderr] Compiling piston-float v0.3.0 [INFO] [stderr] Compiling syn v1.0.33 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling rayon-core v1.7.1 [INFO] [stderr] Compiling token_store v0.1.2 [INFO] [stderr] Compiling adler32 v1.1.0 [INFO] [stderr] Compiling arrayvec v0.4.12 [INFO] [stderr] Compiling shader_version v0.3.0 [INFO] [stderr] Compiling piston-texture v0.6.0 [INFO] [stderr] Compiling read_color v1.0.0 [INFO] [stderr] Compiling piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling num-integer v0.1.43 [INFO] [stderr] Compiling num-iter v0.1.41 [INFO] [stderr] Compiling rayon v1.3.1 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling piston-viewport v0.3.0 [INFO] [stderr] Compiling vecmath v0.3.1 [INFO] [stderr] Compiling inflate v0.3.4 [INFO] [stderr] Compiling xml-rs v0.7.0 [INFO] [stderr] Compiling getrandom v0.1.14 [INFO] [stderr] Compiling memmap v0.6.2 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling crossbeam-queue v0.2.3 [INFO] [stderr] Compiling rand_core v0.5.1 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling log v0.3.9 [INFO] [stderr] Compiling stb_truetype v0.2.8 [INFO] [stderr] Compiling rand_chacha v0.2.2 [INFO] [stderr] Compiling dlib v0.4.2 [INFO] [stderr] Compiling wayland-scanner v0.12.5 [INFO] [stderr] Compiling gl_generator v0.9.0 [INFO] [stderr] Compiling gl_generator v0.8.0 [INFO] [stderr] Compiling wayland-sys v0.12.5 [INFO] [stderr] Compiling rand v0.7.3 [INFO] [stderr] Compiling wayland-client v0.12.5 [INFO] [stderr] Compiling wayland-protocols v0.12.5 [INFO] [stderr] Compiling gl v0.10.0 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling glutin v0.12.2 [INFO] [stderr] Compiling ordered-float v0.5.2 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling rusttype v0.4.3 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling tempfile v3.1.0 [INFO] [stderr] Compiling png v0.11.0 [INFO] [stderr] Compiling piston2d-graphics v0.26.0 [INFO] [stderr] Compiling wayland-kbd v0.13.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.19 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling image v0.18.0 [INFO] [stderr] Compiling wayland-window v0.13.3 [INFO] [stderr] Compiling winit v0.10.0 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.52.1 [INFO] [stderr] Compiling pistoncore-input v0.20.0 [INFO] [stderr] Compiling pistoncore-window v0.31.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.36.0 [INFO] [stderr] Compiling pistoncore-glutin_window v0.45.3 [INFO] [stderr] Compiling piston v0.36.0 [INFO] [stderr] Compiling snake_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `graphics` is imported redundantly [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate graphics; [INFO] [stdout] | ---------------------- the item `graphics` is already imported here [INFO] [stdout] ... [INFO] [stdout] 30 | use graphics; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Snake_Piece` should have an upper camel case name [INFO] [stdout] --> src/main.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 98 | pub struct Snake_Piece(u32, u32); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SnakePiece` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `graphics` is imported redundantly [INFO] [stdout] --> src/main.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate graphics; [INFO] [stdout] | ---------------------- the item `graphics` is already imported here [INFO] [stdout] ... [INFO] [stdout] 102 | use graphics; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `graphics` is imported redundantly [INFO] [stdout] --> src/main.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate graphics; [INFO] [stdout] | ---------------------- the item `graphics` is already imported here [INFO] [stdout] ... [INFO] [stdout] 174 | use graphics; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:34:40 [INFO] [stdout] | [INFO] [stdout] 34 | self.gl.draw(args.viewport(), |c, gl| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | fn update(&mut self, args: &UpdateArgs) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `WIDTH` should have a snake case name [INFO] [stdout] --> src/main.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | let WIDTH = COLS * SQUARE_WIDTH; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `HEIGHT` should have a snake case name [INFO] [stdout] --> src/main.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | let HEIGHT = ROWS * SQUARE_WIDTH; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 44s [INFO] running `Command { std: "docker" "inspect" "4b4adc098970c372f849f897b27e042032f7e222fdf9908a9c78f927fc18851c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b4adc098970c372f849f897b27e042032f7e222fdf9908a9c78f927fc18851c", kill_on_drop: false }` [INFO] [stdout] 4b4adc098970c372f849f897b27e042032f7e222fdf9908a9c78f927fc18851c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 54bdeb7cd233d923c23a9f81c7a595868e489a137377c4f5fdffbf0da4d60cf6 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "54bdeb7cd233d923c23a9f81c7a595868e489a137377c4f5fdffbf0da4d60cf6", kill_on_drop: false }` [INFO] [stderr] Compiling snake_game v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `graphics` is imported redundantly [INFO] [stdout] --> src/main.rs:30:13 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate graphics; [INFO] [stdout] | ---------------------- the item `graphics` is already imported here [INFO] [stdout] ... [INFO] [stdout] 30 | use graphics; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: type `Snake_Piece` should have an upper camel case name [INFO] [stdout] --> src/main.rs:98:12 [INFO] [stdout] | [INFO] [stdout] 98 | pub struct Snake_Piece(u32, u32); [INFO] [stdout] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SnakePiece` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `graphics` is imported redundantly [INFO] [stdout] --> src/main.rs:102:13 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate graphics; [INFO] [stdout] | ---------------------- the item `graphics` is already imported here [INFO] [stdout] ... [INFO] [stdout] 102 | use graphics; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `graphics` is imported redundantly [INFO] [stdout] --> src/main.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 2 | extern crate graphics; [INFO] [stdout] | ---------------------- the item `graphics` is already imported here [INFO] [stdout] ... [INFO] [stdout] 174 | use graphics; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `c` [INFO] [stdout] --> src/main.rs:34:40 [INFO] [stdout] | [INFO] [stdout] 34 | self.gl.draw(args.viewport(), |c, gl| { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:42:26 [INFO] [stdout] | [INFO] [stdout] 42 | fn update(&mut self, args: &UpdateArgs) -> bool { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `WIDTH` should have a snake case name [INFO] [stdout] --> src/main.rs:198:9 [INFO] [stdout] | [INFO] [stdout] 198 | let WIDTH = COLS * SQUARE_WIDTH; [INFO] [stdout] | ^^^^^ help: convert the identifier to snake case: `width` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_snake_case)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `HEIGHT` should have a snake case name [INFO] [stdout] --> src/main.rs:199:9 [INFO] [stdout] | [INFO] [stdout] 199 | let HEIGHT = ROWS * SQUARE_WIDTH; [INFO] [stdout] | ^^^^^^ help: convert the identifier to snake case: `height` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.14s [INFO] running `Command { std: "docker" "inspect" "54bdeb7cd233d923c23a9f81c7a595868e489a137377c4f5fdffbf0da4d60cf6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54bdeb7cd233d923c23a9f81c7a595868e489a137377c4f5fdffbf0da4d60cf6", kill_on_drop: false }` [INFO] [stdout] 54bdeb7cd233d923c23a9f81c7a595868e489a137377c4f5fdffbf0da4d60cf6 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 15ad00951af5a4d44edd1f6e189b7bf94240800e7ae0a3a9c8c0a7c46d28d2ef [INFO] running `Command { std: "docker" "start" "-a" "15ad00951af5a4d44edd1f6e189b7bf94240800e7ae0a3a9c8c0a7c46d28d2ef", kill_on_drop: false }` [INFO] [stderr] warning: the item `graphics` is imported redundantly [INFO] [stderr] --> src/main.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 2 | extern crate graphics; [INFO] [stderr] | ---------------------- the item `graphics` is already imported here [INFO] [stderr] ... [INFO] [stderr] 30 | use graphics; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: type `Snake_Piece` should have an upper camel case name [INFO] [stderr] --> src/main.rs:98:12 [INFO] [stderr] | [INFO] [stderr] 98 | pub struct Snake_Piece(u32, u32); [INFO] [stderr] | ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SnakePiece` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stderr] [INFO] [stderr] warning: the item `graphics` is imported redundantly [INFO] [stderr] --> src/main.rs:102:13 [INFO] [stderr] | [INFO] [stderr] 2 | extern crate graphics; [INFO] [stderr] | ---------------------- the item `graphics` is already imported here [INFO] [stderr] ... [INFO] [stderr] 102 | use graphics; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: the item `graphics` is imported redundantly [INFO] [stderr] --> src/main.rs:174:13 [INFO] [stderr] | [INFO] [stderr] 2 | extern crate graphics; [INFO] [stderr] | ---------------------- the item `graphics` is already imported here [INFO] [stderr] ... [INFO] [stderr] 174 | use graphics; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `c` [INFO] [stderr] --> src/main.rs:34:40 [INFO] [stderr] | [INFO] [stderr] 34 | self.gl.draw(args.viewport(), |c, gl| { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_c` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/main.rs:42:26 [INFO] [stderr] | [INFO] [stderr] 42 | fn update(&mut self, args: &UpdateArgs) -> bool { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stderr] [INFO] [stderr] warning: variable `WIDTH` should have a snake case name [INFO] [stderr] --> src/main.rs:198:9 [INFO] [stderr] | [INFO] [stderr] 198 | let WIDTH = COLS * SQUARE_WIDTH; [INFO] [stderr] | ^^^^^ help: convert the identifier to snake case: `width` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `HEIGHT` should have a snake case name [INFO] [stderr] --> src/main.rs:199:9 [INFO] [stderr] | [INFO] [stderr] 199 | let HEIGHT = ROWS * SQUARE_WIDTH; [INFO] [stderr] | ^^^^^^ help: convert the identifier to snake case: `height` [INFO] [stderr] [INFO] [stderr] warning: 8 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.11s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/snake_game-7ef33cd42b544e38 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "15ad00951af5a4d44edd1f6e189b7bf94240800e7ae0a3a9c8c0a7c46d28d2ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "15ad00951af5a4d44edd1f6e189b7bf94240800e7ae0a3a9c8c0a7c46d28d2ef", kill_on_drop: false }` [INFO] [stdout] 15ad00951af5a4d44edd1f6e189b7bf94240800e7ae0a3a9c8c0a7c46d28d2ef