[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 beta for pr-78714 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCasperN%2Fsnake" "/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/CasperN/snake on toolchain beta [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/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: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 58879654425af4ca79f83035720d7689700f216ff4d61438f34ddcf393720795 [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" "58879654425af4ca79f83035720d7689700f216ff4d61438f34ddcf393720795", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "58879654425af4ca79f83035720d7689700f216ff4d61438f34ddcf393720795", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58879654425af4ca79f83035720d7689700f216ff4d61438f34ddcf393720795", kill_on_drop: false }` [INFO] [stdout] 58879654425af4ca79f83035720d7689700f216ff4d61438f34ddcf393720795 [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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 84251f491f24d941f663efc09533491d023bd403e395f6bb3148e8263c14c65e [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" "84251f491f24d941f663efc09533491d023bd403e395f6bb3148e8263c14c65e", kill_on_drop: false }` [INFO] [stderr] Checking num-traits v0.2.1 [INFO] [stderr] Compiling sdl2-sys v0.31.0 [INFO] [stderr] Checking rand v0.3.22 [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 sdl2 v0.31.0 [INFO] [stderr] Checking snake v0.1.0 (/opt/rustwide/workdir) [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] = note: `#[warn(unused_imports)]` on by default [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 import: `sdl2` [INFO] [stdout] --> src/game_render.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use sdl2; [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [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 `std::result::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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [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: 7 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 `std::result::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: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::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] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.63s [INFO] running `Command { std: "docker" "inspect" "84251f491f24d941f663efc09533491d023bd403e395f6bb3148e8263c14c65e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "84251f491f24d941f663efc09533491d023bd403e395f6bb3148e8263c14c65e", kill_on_drop: false }` [INFO] [stdout] 84251f491f24d941f663efc09533491d023bd403e395f6bb3148e8263c14c65e