[INFO] cloning repository https://github.com/alvinmatias69/simple-2048
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alvinmatias69/simple-2048" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinmatias69%2Fsimple-2048", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinmatias69%2Fsimple-2048'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e4d59fe5702971379aba658849bcc76343b89f51
[INFO] testing alvinmatias69/simple-2048 against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falvinmatias69%2Fsimple-2048" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alvinmatias69/simple-2048 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alvinmatias69/simple-2048
[INFO] finished tweaking git repo https://github.com/alvinmatias69/simple-2048
[INFO] tweaked toml for git repo https://github.com/alvinmatias69/simple-2048 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/alvinmatias69/simple-2048 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 92f467e1fa38d424b015f98cad64aaf41eec471fda9a89e766c6eaaa97bcbc79
[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" "92f467e1fa38d424b015f98cad64aaf41eec471fda9a89e766c6eaaa97bcbc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "92f467e1fa38d424b015f98cad64aaf41eec471fda9a89e766c6eaaa97bcbc79", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "92f467e1fa38d424b015f98cad64aaf41eec471fda9a89e766c6eaaa97bcbc79", kill_on_drop: false }`
[INFO] [stdout] 92f467e1fa38d424b015f98cad64aaf41eec471fda9a89e766c6eaaa97bcbc79
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e35f62c1e73969123e25bf3c098f01c1e36579bfd16231a20059e418efb5aa13
[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" "e35f62c1e73969123e25bf3c098f01c1e36579bfd16231a20059e418efb5aa13", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]    Compiling hashbrown v0.3.0
[INFO] [stderr]    Compiling claxon v0.3.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.20
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.7
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[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 rustc-hash v1.0.1
[INFO] [stderr]    Compiling deflate v0.7.19
[INFO] [stderr]    Compiling ogg v0.7.0
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.1
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling lewton v0.9.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling slice-deque v0.2.3
[INFO] [stderr]    Compiling directories v1.0.2
[INFO] [stderr]    Compiling alga v0.9.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]    Compiling gfx_gl v0.6.0
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling minimp3 v0.3.3
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling rand v0.3.23
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling glyph_brush_layout v0.1.6
[INFO] [stderr]    Compiling zip v0.5.2
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling twox-hash v1.3.0
[INFO] [stderr]    Compiling nalgebra v0.18.0
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling glyph_brush v0.4.3
[INFO] [stderr]    Compiling gilrs-core v0.2.2
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling gilrs v0.7.1
[INFO] [stderr]    Compiling rodio v0.8.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling toml v0.5.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling smart-default v0.5.2
[INFO] [stderr]    Compiling euclid v0.19.8
[INFO] [stderr]    Compiling lyon_geom v0.12.6
[INFO] [stderr]    Compiling lyon_path v0.13.1
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling gfx_core v0.9.1
[INFO] [stderr]    Compiling lyon_algorithms v0.13.1
[INFO] [stderr]    Compiling lyon_tessellation v0.13.1
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling lyon v0.13.1
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling gfx_device_gl v0.16.1
[INFO] [stderr]    Compiling gfx v0.18.1
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling winit v0.19.1
[INFO] [stderr]    Compiling ggez v0.5.0-rc.2
[INFO] [stderr]    Compiling glutin v0.20.0
[INFO] [stderr]    Compiling gfx_window_glutin v0.30.0
[INFO] [stderr]    Compiling simple-2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Mesh`
[INFO] [stdout]  --> src/game/display/board.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use graphics::{Mesh, Text, TextFragment};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 sound::play(ctx, SoundType::Menu);
[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/main.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 sound::play(ctx, SoundType::Menu);
[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 `std::result::Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         sound::play(ctx, SoundType::Start);
[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 `std::result::Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         sound::play(ctx, SoundType::Start);
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 30s
[INFO] running `Command { std: "docker" "inspect" "e35f62c1e73969123e25bf3c098f01c1e36579bfd16231a20059e418efb5aa13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e35f62c1e73969123e25bf3c098f01c1e36579bfd16231a20059e418efb5aa13", kill_on_drop: false }`
[INFO] [stdout] e35f62c1e73969123e25bf3c098f01c1e36579bfd16231a20059e418efb5aa13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96a57eb7fb54f807b9b988ff0cfc11ed9fc219bdde10eb5352eaeffd1ac21697
[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" "96a57eb7fb54f807b9b988ff0cfc11ed9fc219bdde10eb5352eaeffd1ac21697", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-2048 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Mesh`
[INFO] [stdout]  --> src/game/display/board.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use graphics::{Mesh, Text, TextFragment};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:142:17
[INFO] [stdout]     |
[INFO] [stdout] 142 |                 sound::play(ctx, SoundType::Menu);
[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/main.rs:147:17
[INFO] [stdout]     |
[INFO] [stdout] 147 |                 sound::play(ctx, SoundType::Menu);
[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 `std::result::Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:195:9
[INFO] [stdout]     |
[INFO] [stdout] 195 |         sound::play(ctx, SoundType::Start);
[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 `std::result::Result` that must be used
[INFO] [stdout]    --> src/game/main.rs:207:9
[INFO] [stdout]     |
[INFO] [stdout] 207 |         sound::play(ctx, SoundType::Start);
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `Command { std: "docker" "inspect" "96a57eb7fb54f807b9b988ff0cfc11ed9fc219bdde10eb5352eaeffd1ac21697", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a57eb7fb54f807b9b988ff0cfc11ed9fc219bdde10eb5352eaeffd1ac21697", kill_on_drop: false }`
[INFO] [stdout] 96a57eb7fb54f807b9b988ff0cfc11ed9fc219bdde10eb5352eaeffd1ac21697
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e0d0c540e5cf8936f62ea7bbc2686c167428f8f60c8f189977fb614258912c90
[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" "e0d0c540e5cf8936f62ea7bbc2686c167428f8f60c8f189977fb614258912c90", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `Mesh`
[INFO] [stderr]  --> src/game/display/board.rs:5:16
[INFO] [stderr]   |
[INFO] [stderr] 5 | use graphics::{Mesh, Text, TextFragment};
[INFO] [stderr]   |                ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game/main.rs:142:17
[INFO] [stderr]     |
[INFO] [stderr] 142 |                 sound::play(ctx, SoundType::Menu);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game/main.rs:147:17
[INFO] [stderr]     |
[INFO] [stderr] 147 |                 sound::play(ctx, SoundType::Menu);
[INFO] [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game/main.rs:195:9
[INFO] [stderr]     |
[INFO] [stderr] 195 |         sound::play(ctx, SoundType::Start);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]    --> src/game/main.rs:207:9
[INFO] [stderr]     |
[INFO] [stderr] 207 |         sound::play(ctx, SoundType::Start);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.59s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/simple_2048-b307c615b7699284
[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" "e0d0c540e5cf8936f62ea7bbc2686c167428f8f60c8f189977fb614258912c90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0d0c540e5cf8936f62ea7bbc2686c167428f8f60c8f189977fb614258912c90", kill_on_drop: false }`
[INFO] [stdout] e0d0c540e5cf8936f62ea7bbc2686c167428f8f60c8f189977fb614258912c90
