[INFO] cloning repository https://github.com/CasperN/snake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CasperN/snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCasperN%2Fsnake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCasperN%2Fsnake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4f27a43123c6ee9e86731adf9a3bac2145c09eb2 [INFO] checking CasperN/snake against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCasperN%2Fsnake" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CasperN/snake on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CasperN/snake [INFO] finished tweaking git repo https://github.com/CasperN/snake [INFO] tweaked toml for git repo https://github.com/CasperN/snake written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/CasperN/snake 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cfg-if v0.1.2 [INFO] [stderr] Downloaded bitflags v1.0.1 [INFO] [stderr] Downloaded num-traits v0.2.1 [INFO] [stderr] Downloaded libc v0.2.39 [INFO] [stderr] Downloaded winapi v0.3.4 [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_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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5ef57d588c0251b3084330451ca95704d12fe69b639ea7d9644e64fecd8a1f89 [INFO] running `Command { std: "docker" "start" "-a" "5ef57d588c0251b3084330451ca95704d12fe69b639ea7d9644e64fecd8a1f89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5ef57d588c0251b3084330451ca95704d12fe69b639ea7d9644e64fecd8a1f89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ef57d588c0251b3084330451ca95704d12fe69b639ea7d9644e64fecd8a1f89", kill_on_drop: false }` [INFO] [stdout] 5ef57d588c0251b3084330451ca95704d12fe69b639ea7d9644e64fecd8a1f89 [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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ce0f335f01cc88978dbf3a0e8c7460cf4786c032ca5ff7476a6e2f78d96243e0 [INFO] running `Command { std: "docker" "start" "-a" "ce0f335f01cc88978dbf3a0e8c7460cf4786c032ca5ff7476a6e2f78d96243e0", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Checking num-traits v0.2.1 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking sdl2 v0.31.0 [INFO] [stderr] Checking snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/game_state.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2` [INFO] [stdout] --> src/game_render.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/game_state.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2` [INFO] [stdout] --> src/game_render.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let mut snake = LinkedList::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `font_col` [INFO] [stdout] --> src/game_render.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | let font_col = Color::RGB(255, 0, 0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_col` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `font_col` [INFO] [stdout] --> src/game_render.rs:62:7 [INFO] [stdout] | [INFO] [stdout] 62 | let font_col = Color::RGB(255, 0, 0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_col` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game_render.rs:26:3 [INFO] [stdout] | [INFO] [stdout] 26 | canvas.fill_rect(board); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = canvas.fill_rect(board); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game_render.rs:73:3 [INFO] [stdout] | [INFO] [stdout] 73 | canvas.fill_rect(r); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = canvas.fill_rect(r); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let mut snake = LinkedList::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `font_col` [INFO] [stdout] --> src/game_render.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | let font_col = Color::RGB(255, 0, 0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_col` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `font_col` [INFO] [stdout] --> src/game_render.rs:62:7 [INFO] [stdout] | [INFO] [stdout] 62 | let font_col = Color::RGB(255, 0, 0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_col` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game_render.rs:26:3 [INFO] [stdout] | [INFO] [stdout] 26 | canvas.fill_rect(board); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = canvas.fill_rect(board); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game_render.rs:73:3 [INFO] [stdout] | [INFO] [stdout] 73 | canvas.fill_rect(r); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = canvas.fill_rect(r); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.98s [INFO] running `Command { std: "docker" "inspect" "ce0f335f01cc88978dbf3a0e8c7460cf4786c032ca5ff7476a6e2f78d96243e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce0f335f01cc88978dbf3a0e8c7460cf4786c032ca5ff7476a6e2f78d96243e0", kill_on_drop: false }` [INFO] [stdout] ce0f335f01cc88978dbf3a0e8c7460cf4786c032ca5ff7476a6e2f78d96243e0 [INFO] checking CasperN/snake against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCasperN%2Fsnake" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/CasperN/snake on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/CasperN/snake [INFO] finished tweaking git repo https://github.com/CasperN/snake [INFO] tweaked toml for git repo https://github.com/CasperN/snake written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/CasperN/snake 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5a2762e01489818574073a43c2bae0672dbae136914bac79a0f05f9a30568145 [INFO] running `Command { std: "docker" "start" "-a" "5a2762e01489818574073a43c2bae0672dbae136914bac79a0f05f9a30568145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5a2762e01489818574073a43c2bae0672dbae136914bac79a0f05f9a30568145", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5a2762e01489818574073a43c2bae0672dbae136914bac79a0f05f9a30568145", kill_on_drop: false }` [INFO] [stdout] 5a2762e01489818574073a43c2bae0672dbae136914bac79a0f05f9a30568145 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] aa54d096850442d48402161609a67734d45b288b9129f28284a21adca121c8e9 [INFO] running `Command { std: "docker" "start" "-a" "aa54d096850442d48402161609a67734d45b288b9129f28284a21adca121c8e9", kill_on_drop: false }` [INFO] [stderr] Compiling cfg-if v0.1.2 [INFO] [stderr] Checking num-traits v0.2.1 [INFO] [stderr] Checking libc v0.2.39 [INFO] [stderr] Checking bitflags v0.7.0 [INFO] [stderr] Checking lazy_static v0.2.11 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Checking rand v0.4.2 [INFO] [stderr] Checking num-integer v0.1.36 [INFO] [stderr] Checking num-iter v0.1.35 [INFO] [stderr] Checking num v0.1.42 [INFO] [stderr] Checking rand v0.3.22 [INFO] [stderr] Checking sdl2 v0.31.0 [INFO] [stderr] Checking snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/game_state.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2` [INFO] [stdout] --> src/game_render.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `std` is imported redundantly [INFO] [stdout] --> src/game_state.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std; [INFO] [stdout] | ^^^ the item `std` is already imported by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `sdl2` [INFO] [stdout] --> src/game_render.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let mut snake = LinkedList::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `font_col` [INFO] [stdout] --> src/game_render.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | let font_col = Color::RGB(255, 0, 0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_col` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `font_col` [INFO] [stdout] --> src/game_render.rs:62:7 [INFO] [stdout] | [INFO] [stdout] 62 | let font_col = Color::RGB(255, 0, 0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_col` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game_render.rs:26:3 [INFO] [stdout] | [INFO] [stdout] 26 | canvas.fill_rect(board); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = canvas.fill_rect(board); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game_render.rs:73:3 [INFO] [stdout] | [INFO] [stdout] 73 | canvas.fill_rect(r); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = canvas.fill_rect(r); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:70:9 [INFO] [stdout] | [INFO] [stdout] 70 | let mut rng = rand::thread_rng(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/game_state.rs:71:9 [INFO] [stdout] | [INFO] [stdout] 71 | let mut snake = LinkedList::new(); [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `font_col` [INFO] [stdout] --> src/game_render.rs:49:7 [INFO] [stdout] | [INFO] [stdout] 49 | let font_col = Color::RGB(255, 0, 0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_col` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `font_col` [INFO] [stdout] --> src/game_render.rs:62:7 [INFO] [stdout] | [INFO] [stdout] 62 | let font_col = Color::RGB(255, 0, 0); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_font_col` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game_render.rs:26:3 [INFO] [stdout] | [INFO] [stdout] 26 | canvas.fill_rect(board); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 26 | let _ = canvas.fill_rect(board); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/game_render.rs:73:3 [INFO] [stdout] | [INFO] [stdout] 73 | canvas.fill_rect(r); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = canvas.fill_rect(r); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.30s [INFO] running `Command { std: "docker" "inspect" "aa54d096850442d48402161609a67734d45b288b9129f28284a21adca121c8e9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "aa54d096850442d48402161609a67734d45b288b9129f28284a21adca121c8e9", kill_on_drop: false }` [INFO] [stdout] aa54d096850442d48402161609a67734d45b288b9129f28284a21adca121c8e9