[INFO] cloning repository https://github.com/psabau/Snake [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psabau/Snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsabau%2FSnake", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsabau%2FSnake'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 91218e65e1591ef5ab5759e427d197c56c3fea4e [INFO] testing psabau/Snake against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpsabau%2FSnake" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. 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[INFO] started tweaking git repo https://github.com/psabau/Snake [INFO] finished tweaking git repo https://github.com/psabau/Snake [INFO] tweaked toml for git repo https://github.com/psabau/Snake written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/psabau/Snake on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/psabau/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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a6771158300074494ad14c6f36dee9cf384e9098bf3e7a14aff13a25a68b99b8 [INFO] running `Command { std: "docker" "start" "-a" "a6771158300074494ad14c6f36dee9cf384e9098bf3e7a14aff13a25a68b99b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a6771158300074494ad14c6f36dee9cf384e9098bf3e7a14aff13a25a68b99b8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6771158300074494ad14c6f36dee9cf384e9098bf3e7a14aff13a25a68b99b8", kill_on_drop: false }` [INFO] [stdout] a6771158300074494ad14c6f36dee9cf384e9098bf3e7a14aff13a25a68b99b8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 42e822d875a89958f976a065f47f9ca7e1557afe7061d361d51e735d702c0110 [INFO] running `Command { std: "docker" "start" "-a" "42e822d875a89958f976a065f47f9ca7e1557afe7061d361d51e735d702c0110", kill_on_drop: false }` [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.92 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling bumpalo v3.15.4 [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Compiling unicode-width v0.1.11 [INFO] [stderr] Compiling syn v2.0.55 [INFO] [stderr] Compiling console v0.15.8 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.92 [INFO] [stderr] Compiling js-sys v0.3.69 [INFO] [stderr] Compiling web-sys v0.3.69 [INFO] [stderr] Compiling snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: dropping unsupported crate type `cdylib` for target `x86_64-unknown-linux-musl` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Window` [INFO] [stdout] --> src/lib.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | use web_sys::{console, KeyboardEvent, Window}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::canvas::Canvas` [INFO] [stdout] --> src/snake.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::canvas::Canvas; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `document` [INFO] [stdout] --> src/lib.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let document = window.document().expect("should have a Document"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_document` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `canvas` is never read [INFO] [stdout] --> src/canvas.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Canvas { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 5 | pub canvas: HtmlCanvasElement, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `draw_border` and `display_scores` are never used [INFO] [stdout] --> src/canvas.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Canvas { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn draw_border(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn display_scores(&self, score: u32, high_score: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | let snake = unsafe { GAME_STATE.as_ref().unwrap().clone() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:70:30 [INFO] [stdout] | [INFO] [stdout] 70 | if let Some(snake) = GAME_STATE.as_ref() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.73s [INFO] running `Command { std: "docker" "inspect" "42e822d875a89958f976a065f47f9ca7e1557afe7061d361d51e735d702c0110", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "42e822d875a89958f976a065f47f9ca7e1557afe7061d361d51e735d702c0110", kill_on_drop: false }` [INFO] [stdout] 42e822d875a89958f976a065f47f9ca7e1557afe7061d361d51e735d702c0110 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] a859595fd6d36386c67cbf40041c65ea8b80c7a83f25d8cb0e7b4fa3281dcf9e [INFO] running `Command { std: "docker" "start" "-a" "a859595fd6d36386c67cbf40041c65ea8b80c7a83f25d8cb0e7b4fa3281dcf9e", kill_on_drop: false }` [INFO] [stderr] Compiling snake v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: dropping unsupported crate type `cdylib` for target `x86_64-unknown-linux-musl` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Window` [INFO] [stdout] --> src/lib.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | use web_sys::{console, KeyboardEvent, Window}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::canvas::Canvas` [INFO] [stdout] --> src/snake.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::canvas::Canvas; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `document` [INFO] [stdout] --> src/lib.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let document = window.document().expect("should have a Document"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_document` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `canvas` is never read [INFO] [stdout] --> src/canvas.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Canvas { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 5 | pub canvas: HtmlCanvasElement, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `draw_border` and `display_scores` are never used [INFO] [stdout] --> src/canvas.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Canvas { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn draw_border(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn display_scores(&self, score: u32, high_score: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | let snake = unsafe { GAME_STATE.as_ref().unwrap().clone() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:70:30 [INFO] [stdout] | [INFO] [stdout] 70 | if let Some(snake) = GAME_STATE.as_ref() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Window` [INFO] [stdout] --> src/lib.rs:3:39 [INFO] [stdout] | [INFO] [stdout] 3 | use web_sys::{console, KeyboardEvent, Window}; [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::canvas::Canvas` [INFO] [stdout] --> src/snake.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::canvas::Canvas; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `document` [INFO] [stdout] --> src/lib.rs:27:9 [INFO] [stdout] | [INFO] [stdout] 27 | let document = window.document().expect("should have a Document"); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_document` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `canvas` is never read [INFO] [stdout] --> src/canvas.rs:5:9 [INFO] [stdout] | [INFO] [stdout] 4 | pub struct Canvas { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 5 | pub canvas: HtmlCanvasElement, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `draw_border` and `display_scores` are never used [INFO] [stdout] --> src/canvas.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 13 | impl Canvas { [INFO] [stdout] | ----------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn draw_border(&self) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 76 | pub fn display_scores(&self, score: u32, high_score: u32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:35:26 [INFO] [stdout] | [INFO] [stdout] 35 | let snake = unsafe { GAME_STATE.as_ref().unwrap().clone() }; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: creating a shared reference to mutable static [INFO] [stdout] --> src/lib.rs:70:30 [INFO] [stdout] | [INFO] [stdout] 70 | if let Some(snake) = GAME_STATE.as_ref() { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stdout] | [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s [INFO] running `Command { std: "docker" "inspect" "a859595fd6d36386c67cbf40041c65ea8b80c7a83f25d8cb0e7b4fa3281dcf9e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a859595fd6d36386c67cbf40041c65ea8b80c7a83f25d8cb0e7b4fa3281dcf9e", kill_on_drop: false }` [INFO] [stdout] a859595fd6d36386c67cbf40041c65ea8b80c7a83f25d8cb0e7b4fa3281dcf9e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 1193aa491845a1cf78c1a065660f6ca26b3c7a3203cb6f44737dbc86eea3839c [INFO] running `Command { std: "docker" "start" "-a" "1193aa491845a1cf78c1a065660f6ca26b3c7a3203cb6f44737dbc86eea3839c", kill_on_drop: false }` [INFO] [stderr] warning: dropping unsupported crate type `cdylib` for target `x86_64-unknown-linux-musl` [INFO] [stderr] [INFO] [stderr] warning: unused import: `Window` [INFO] [stderr] --> src/lib.rs:3:39 [INFO] [stderr] | [INFO] [stderr] 3 | use web_sys::{console, KeyboardEvent, Window}; [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::canvas::Canvas` [INFO] [stderr] --> src/snake.rs:5:5 [INFO] [stderr] | [INFO] [stderr] 5 | use crate::canvas::Canvas; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `document` [INFO] [stderr] --> src/lib.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let document = window.document().expect("should have a Document"); [INFO] [stderr] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_document` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `canvas` is never read [INFO] [stderr] --> src/canvas.rs:5:9 [INFO] [stderr] | [INFO] [stderr] 4 | pub struct Canvas { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] 5 | pub canvas: HtmlCanvasElement, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: methods `draw_border` and `display_scores` are never used [INFO] [stderr] --> src/canvas.rs:64:12 [INFO] [stderr] | [INFO] [stderr] 13 | impl Canvas { [INFO] [stderr] | ----------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 64 | pub fn draw_border(&self) { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 76 | pub fn display_scores(&self, score: u32, high_score: u32) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/lib.rs:35:26 [INFO] [stderr] | [INFO] [stderr] 35 | let snake = unsafe { GAME_STATE.as_ref().unwrap().clone() }; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] = note: `#[warn(static_mut_refs)]` on by default [INFO] [stderr] [INFO] [stderr] warning: creating a shared reference to mutable static [INFO] [stderr] --> src/lib.rs:70:30 [INFO] [stderr] | [INFO] [stderr] 70 | if let Some(snake) = GAME_STATE.as_ref() { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static [INFO] [stderr] | [INFO] [stderr] = note: for more information, see [INFO] [stderr] = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives [INFO] [stderr] [INFO] [stderr] warning: `snake` (lib) generated 8 warnings (run `cargo fix --lib -p snake` to apply 2 suggestions) [INFO] [stderr] warning: `snake` (lib test) generated 7 warnings (7 duplicates) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/snake-c12d1b603ea96b5a) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1193aa491845a1cf78c1a065660f6ca26b3c7a3203cb6f44737dbc86eea3839c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1193aa491845a1cf78c1a065660f6ca26b3c7a3203cb6f44737dbc86eea3839c", kill_on_drop: false }` [INFO] [stdout] 1193aa491845a1cf78c1a065660f6ca26b3c7a3203cb6f44737dbc86eea3839c