[INFO] cloning repository https://github.com/Miguelldiazz/tetris-clone [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Miguelldiazz/tetris-clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiguelldiazz%2Ftetris-clone", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiguelldiazz%2Ftetris-clone'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 448d427b2ad206d482b38be050cf52fad08ee3f6 [INFO] testing Miguelldiazz/tetris-clone against 1.60.0 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMiguelldiazz%2Ftetris-clone" "/workspace/builds/worker-3/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Miguelldiazz/tetris-clone on toolchain 1.60.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Miguelldiazz/tetris-clone [INFO] finished tweaking git repo https://github.com/Miguelldiazz/tetris-clone [INFO] tweaked toml for git repo https://github.com/Miguelldiazz/tetris-clone written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/Miguelldiazz/tetris-clone already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded hermit-abi v0.1.10 [INFO] [stderr] Downloaded gl_generator v0.13.1 [INFO] [stderr] Downloaded shader_version v0.6.0 [INFO] [stderr] Downloaded glutin_gles2_sys v0.1.4 [INFO] [stderr] Downloaded jpeg-decoder v0.1.18 [INFO] [stderr] Downloaded pistoncore-window v0.26.2 [INFO] [stderr] Downloaded piston-viewport v0.3.0 [INFO] [stderr] Downloaded gdi32-sys v0.1.2 [INFO] [stderr] Downloaded memoffset v0.5.4 [INFO] [stderr] Downloaded bitflags v0.6.0 [INFO] [stderr] Downloaded pistoncore-event_loop v0.31.4 [INFO] [stderr] Downloaded vecmath v1.0.0 [INFO] [stderr] Downloaded read_color v1.0.0 [INFO] [stderr] Downloaded gfx_gl v0.3.1 [INFO] [stderr] Downloaded piston v0.49.0 [INFO] [stderr] Downloaded tiff v0.4.0 [INFO] [stderr] Downloaded pistoncore-event_loop v0.49.0 [INFO] [stderr] Downloaded png v0.16.1 [INFO] [stderr] Downloaded gl v0.6.5 [INFO] [stderr] Downloaded glutin_egl_sys v0.1.4 [INFO] [stderr] Downloaded rusttype v0.8.2 [INFO] [stderr] Downloaded pistoncore-window v0.44.0 [INFO] [stderr] Downloaded piston-shaders_graphics2d v0.3.1 [INFO] [stderr] Downloaded piston-texture v0.8.0 [INFO] [stderr] Downloaded lock_api v0.3.3 [INFO] [stderr] Downloaded piston2d-graphics v0.36.0 [INFO] [stderr] Downloaded glutin_wgl_sys v0.1.4 [INFO] [stderr] Downloaded cocoa v0.18.5 [INFO] [stderr] Downloaded image v0.23.2 [INFO] [stderr] Downloaded gl_generator v0.10.0 [INFO] [stderr] Downloaded piston2d-opengl_graphics v0.72.0 [INFO] [stderr] Downloaded piston_window v0.64.0 [INFO] [stderr] Downloaded piston2d-gfx_graphics v0.38.0 [INFO] [stderr] Downloaded interpolation v0.2.0 [INFO] [stderr] Downloaded stb_truetype v0.2.8 [INFO] [stderr] Downloaded read_color v0.1.0 [INFO] [stderr] Downloaded user32-sys v0.1.3 [INFO] [stderr] Downloaded khronos_api v1.0.1 [INFO] [stderr] Downloaded backtrace-sys v0.1.35 [INFO] [stderr] Downloaded piston-gfx_texture v0.22.1 [INFO] [stderr] Downloaded xml-rs v0.8.1 [INFO] [stderr] Downloaded piston-viewport v1.0.0 [INFO] [stderr] Downloaded glutin_glx_sys v0.1.6 [INFO] [stderr] Downloaded winit v0.19.5 [INFO] [stderr] Downloaded piston-float v1.0.0 [INFO] [stderr] Downloaded winapi-util v0.1.4 [INFO] [stderr] Downloaded downcast-rs v1.1.1 [INFO] [stderr] Downloaded vecmath v0.3.1 [INFO] [stderr] Downloaded shell32-sys v0.1.2 [INFO] [stderr] Downloaded tempfile v2.2.0 [INFO] [stderr] Downloaded gleam v0.6.19 [INFO] [stderr] Downloaded glutin v0.21.2 [INFO] [stderr] Downloaded interpolation v0.1.0 [INFO] [stderr] Downloaded gfx_device_gl v0.13.1 [INFO] [stderr] Downloaded piston v0.31.4 [INFO] [stderr] Downloaded gfx v0.14.1 [INFO] [stderr] Downloaded draw_state v0.6.0 [INFO] [stderr] Downloaded gfx_core v0.6.1 [INFO] [stderr] Downloaded rusttype v0.2.4 [INFO] [stderr] Downloaded piston2d-graphics v0.21.1 [INFO] [stderr] Downloaded piston-texture v0.5.0 [INFO] [stderr] Downloaded gl_generator v0.6.1 [INFO] [stderr] Downloaded xml-rs v0.6.1 [INFO] [stderr] Downloaded gl_generator v0.5.5 [INFO] [stderr] Downloaded dwmapi-sys v0.1.1 [INFO] [stderr] Downloaded pistoncore-input v0.17.1 [INFO] [stderr] Downloaded piston-float v0.3.0 [INFO] [stderr] Downloaded pistoncore-glutin_window v0.35.1 [INFO] [stderr] Downloaded shader_version v0.2.2 [INFO] [stderr] Downloaded cgl v0.2.3 [INFO] [stderr] Downloaded gl v0.11.0 [INFO] [stderr] Downloaded pistoncore-input v0.28.0 [INFO] [stderr] Downloaded piston-graphics_api_version v0.2.0 [INFO] [stderr] Downloaded pistoncore-glutin_window v0.63.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "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] c70f219924bf31c051f4685cfda9be8728d9ca55d9f321555ebd73fa7d974477 [INFO] running `Command { std: "docker" "start" "-a" "c70f219924bf31c051f4685cfda9be8728d9ca55d9f321555ebd73fa7d974477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c70f219924bf31c051f4685cfda9be8728d9ca55d9f321555ebd73fa7d974477", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c70f219924bf31c051f4685cfda9be8728d9ca55d9f321555ebd73fa7d974477", kill_on_drop: false }` [INFO] [stdout] c70f219924bf31c051f4685cfda9be8728d9ca55d9f321555ebd73fa7d974477 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7befb9873c2d6e33c4ed32fec41130dfd96a7095b5410073b635302334f8ff0d [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" "7befb9873c2d6e33c4ed32fec41130dfd96a7095b5410073b635302334f8ff0d", kill_on_drop: false }` [INFO] [stderr] Compiling xml-rs v0.8.1 [INFO] [stderr] Compiling khronos_api v1.0.1 [INFO] [stderr] Compiling bitflags v0.6.0 [INFO] [stderr] Compiling serde v1.0.105 [INFO] [stderr] Compiling shader_version v0.2.2 [INFO] [stderr] Compiling inflate v0.1.1 [INFO] [stderr] Compiling piston-texture v0.5.0 [INFO] [stderr] Compiling read_color v0.1.0 [INFO] [stderr] Compiling interpolation v0.1.0 [INFO] [stderr] Compiling xml-rs v0.6.1 [INFO] [stderr] Compiling vecmath v0.3.1 [INFO] [stderr] Compiling gif v0.9.2 [INFO] [stderr] Compiling wayland-scanner v0.7.8 [INFO] [stderr] Compiling pistoncore-input v0.17.1 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling shared_library v0.1.9 [INFO] [stderr] Compiling memmap v0.7.0 [INFO] [stderr] Compiling raw-window-handle v0.3.3 [INFO] [stderr] Compiling stb_truetype v0.3.1 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling deflate v0.7.20 [INFO] [stderr] Compiling deflate v0.8.3 [INFO] [stderr] Compiling tiff v0.4.0 [INFO] [stderr] Compiling x11-dl v2.18.5 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling approx v0.3.2 [INFO] [stderr] Compiling ordered-float v1.0.2 [INFO] [stderr] Compiling line_drawing v0.7.0 [INFO] [stderr] Compiling draw_state v0.6.0 [INFO] [stderr] Compiling osmesa-sys v0.1.2 [INFO] [stderr] Compiling gl_generator v0.6.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling dlib v0.4.1 [INFO] [stderr] Compiling piston2d-graphics v0.21.1 [INFO] [stderr] Compiling fs2 v0.2.5 [INFO] [stderr] Compiling num-rational v0.1.42 [INFO] [stderr] Compiling serde_json v0.9.10 [INFO] [stderr] Compiling enum_primitive v0.1.1 [INFO] [stderr] Compiling tempfile v2.2.0 [INFO] [stderr] Compiling png v0.16.1 [INFO] [stderr] Compiling wayland-scanner v0.21.13 [INFO] [stderr] Compiling gl_generator v0.13.1 [INFO] [stderr] Compiling gl_generator v0.10.0 [INFO] [stderr] Compiling rusttype v0.8.2 [INFO] [stderr] Compiling stb_truetype v0.2.8 [INFO] [stderr] Compiling gl_generator v0.5.5 [INFO] [stderr] Compiling wayland-client v0.7.8 [INFO] [stderr] Compiling serde_derive v1.0.105 [INFO] [stderr] Compiling wayland-sys v0.21.13 [INFO] [stderr] Compiling memmap v0.4.0 [INFO] [stderr] Compiling gfx_core v0.6.1 [INFO] [stderr] Compiling pistoncore-window v0.26.2 [INFO] [stderr] Compiling rayon-core v1.7.0 [INFO] [stderr] Compiling png v0.6.2 [INFO] [stderr] Compiling rusttype v0.2.4 [INFO] [stderr] Compiling phf_generator v0.7.24 [INFO] [stderr] Compiling rusttype v0.7.9 [INFO] [stderr] Compiling piston2d-graphics v0.36.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.31.4 [INFO] [stderr] Compiling gl v0.6.5 [INFO] [stderr] Compiling phf_codegen v0.7.24 [INFO] [stderr] Compiling andrew v0.2.1 [INFO] [stderr] Compiling rayon v1.3.0 [INFO] [stderr] Compiling gl v0.11.0 [INFO] [stderr] Compiling glutin_glx_sys v0.1.6 [INFO] [stderr] Compiling glutin_egl_sys v0.1.4 [INFO] [stderr] Compiling piston v0.31.4 [INFO] [stderr] Compiling glutin v0.7.4 [INFO] [stderr] Compiling gfx_gl v0.3.1 [INFO] [stderr] Compiling target_build_utils v0.3.1 [INFO] [stderr] Compiling wayland-commons v0.21.13 [INFO] [stderr] Compiling wayland-client v0.21.13 [INFO] [stderr] Compiling wayland-protocols v0.21.13 [INFO] [stderr] Compiling gfx v0.14.1 [INFO] [stderr] Compiling jpeg-decoder v0.1.18 [INFO] [stderr] Compiling image v0.12.4 [INFO] [stderr] Compiling image v0.23.2 [INFO] [stderr] Compiling gfx_device_gl v0.13.1 [INFO] [stderr] Compiling piston-gfx_texture v0.22.1 [INFO] [stderr] Compiling pistoncore-input v0.28.0 [INFO] [stderr] Compiling piston2d-gfx_graphics v0.38.0 [INFO] [stderr] Compiling piston2d-opengl_graphics v0.72.0 [INFO] [stderr] Compiling pistoncore-window v0.44.0 [INFO] [stderr] Compiling pistoncore-event_loop v0.49.0 [INFO] [stderr] Compiling piston v0.49.0 [INFO] [stderr] Compiling libloading v0.3.4 [INFO] [stderr] Compiling dlib v0.3.1 [INFO] [stderr] Compiling wayland-sys v0.7.8 [INFO] [stderr] Compiling wayland-kbd v0.6.3 [INFO] [stderr] Compiling wayland-window v0.4.4 [INFO] [stderr] Compiling winit v0.5.11 [INFO] [stderr] Compiling pistoncore-glutin_window v0.35.1 [INFO] [stderr] Compiling piston_window v0.64.0 [INFO] [stderr] Compiling smithay-client-toolkit v0.4.6 [INFO] [stderr] Compiling winit v0.19.5 [INFO] [stderr] Compiling glutin v0.21.2 [INFO] [stderr] Compiling pistoncore-glutin_window v0.63.0 [INFO] [stderr] Compiling tetris v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::game` [INFO] [stdout] --> src/piece.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::game; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | fn update(&mut self, args: &UpdateArgs) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 3m 59s [INFO] running `Command { std: "docker" "inspect" "7befb9873c2d6e33c4ed32fec41130dfd96a7095b5410073b635302334f8ff0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7befb9873c2d6e33c4ed32fec41130dfd96a7095b5410073b635302334f8ff0d", kill_on_drop: false }` [INFO] [stdout] 7befb9873c2d6e33c4ed32fec41130dfd96a7095b5410073b635302334f8ff0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 50e480bb75ea03a65f92462a30609fbed496e8d4dc6153cb127df241f3baa982 [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" "50e480bb75ea03a65f92462a30609fbed496e8d4dc6153cb127df241f3baa982", kill_on_drop: false }` [INFO] [stderr] Compiling tetris v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::game` [INFO] [stdout] --> src/piece.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use crate::game; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `args` [INFO] [stdout] --> src/main.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | fn update(&mut self, args: &UpdateArgs) { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.02s [INFO] running `Command { std: "docker" "inspect" "50e480bb75ea03a65f92462a30609fbed496e8d4dc6153cb127df241f3baa982", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "50e480bb75ea03a65f92462a30609fbed496e8d4dc6153cb127df241f3baa982", kill_on_drop: false }` [INFO] [stdout] 50e480bb75ea03a65f92462a30609fbed496e8d4dc6153cb127df241f3baa982 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b02ec55845adef010d4c162bc27c079af581c3cab968440b512e33de3ef0d148 [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" "b02ec55845adef010d4c162bc27c079af581c3cab968440b512e33de3ef0d148", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `crate::game` [INFO] [stderr] --> src/piece.rs:3:5 [INFO] [stderr] | [INFO] [stderr] 3 | use crate::game; [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `args` [INFO] [stderr] --> src/main.rs:68:26 [INFO] [stderr] | [INFO] [stderr] 68 | fn update(&mut self, args: &UpdateArgs) { [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_args` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `tetris` (bin "tetris" test) generated 2 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/tetris-bd056f4dc1049e9b) [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" "b02ec55845adef010d4c162bc27c079af581c3cab968440b512e33de3ef0d148", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b02ec55845adef010d4c162bc27c079af581c3cab968440b512e33de3ef0d148", kill_on_drop: false }` [INFO] [stdout] b02ec55845adef010d4c162bc27c079af581c3cab968440b512e33de3ef0d148