[INFO] cloning repository https://github.com/atomicbomber-git/rust-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/atomicbomber-git/rust-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatomicbomber-git%2Frust-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatomicbomber-git%2Frust-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 26d0e52eb50d7cf7092e26803d33203b7abcdbf3
[INFO] testing atomicbomber-git/rust-snake against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fatomicbomber-git%2Frust-snake" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/atomicbomber-git/rust-snake on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/atomicbomber-git/rust-snake
[INFO] finished tweaking git repo https://github.com/atomicbomber-git/rust-snake
[INFO] tweaked toml for git repo https://github.com/atomicbomber-git/rust-snake written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/atomicbomber-git/rust-snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 05fb67d769cb67174b8701442be071d3e2e8de850f8f1662fd581f6217405ecd
[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" "05fb67d769cb67174b8701442be071d3e2e8de850f8f1662fd581f6217405ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "05fb67d769cb67174b8701442be071d3e2e8de850f8f1662fd581f6217405ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05fb67d769cb67174b8701442be071d3e2e8de850f8f1662fd581f6217405ecd", kill_on_drop: false }`
[INFO] [stdout] 05fb67d769cb67174b8701442be071d3e2e8de850f8f1662fd581f6217405ecd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98fdacd3e0d44e293fafd8fc9223c78d4f1156551e7bf86e8d4cc1b382bd80ea
[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" "98fdacd3e0d44e293fafd8fc9223c78d4f1156551e7bf86e8d4cc1b382bd80ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling syn v1.0.70
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling xdg v2.2.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling gl_generator v0.13.1
[INFO] [stderr]    Compiling nom v6.1.2
[INFO] [stderr]    Compiling piston2d-graphics v0.40.0
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling wayland-sys v0.28.5
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling draw_state v0.8.0
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling png v0.16.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.3
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling gfx_core v0.9.2
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling gl v0.13.0
[INFO] [stderr]    Compiling xcursor v0.3.3
[INFO] [stderr]    Compiling crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling wayland-client v0.28.5
[INFO] [stderr]    Compiling wayland-protocols v0.28.5
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling gfx v0.18.2
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling wayland-commons v0.28.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling gfx_device_gl v0.16.2
[INFO] [stderr]    Compiling tiff v0.6.1
[INFO] [stderr]    Compiling image v0.23.14
[INFO] [stderr]    Compiling wayland-cursor v0.28.5
[INFO] [stderr]    Compiling wayland-egl v0.28.5
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling piston-gfx_texture v0.41.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.73.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling pistoncore-input v1.0.0
[INFO] [stderr]    Compiling winit v0.24.0
[INFO] [stderr]    Compiling pistoncore-window v0.47.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.53.0
[INFO] [stderr]    Compiling piston v0.53.0
[INFO] [stderr]    Compiling glutin v0.26.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.69.0
[INFO] [stderr]    Compiling piston_window v0.120.0
[INFO] [stderr]    Compiling rust-snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Empty`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Empty;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::math::rotate_radians`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use graphics::math::rotate_radians;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RngCore`, `Rng`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rng, RngCore, thread_rng};
[INFO] [stdout]   |            ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ROW_COUNT`
[INFO] [stdout]   --> src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const ROW_COUNT: usize = WINDOW_HEIGHT_PIXELS as usize / TILE_SIZE as usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COL_COUNT`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const COL_COUNT: usize = WINDOW_WIDTH_PIXELS as usize / TILE_SIZE as usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COLOR_FOOD`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const COLOR_FOOD: Color = COLOR_GREEN;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "98fdacd3e0d44e293fafd8fc9223c78d4f1156551e7bf86e8d4cc1b382bd80ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98fdacd3e0d44e293fafd8fc9223c78d4f1156551e7bf86e8d4cc1b382bd80ea", kill_on_drop: false }`
[INFO] [stdout] 98fdacd3e0d44e293fafd8fc9223c78d4f1156551e7bf86e8d4cc1b382bd80ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7646dd4af2c90f768a808ce597dabd59543e1a4a0df8456466c8ad51e5c4fded
[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" "7646dd4af2c90f768a808ce597dabd59543e1a4a0df8456466c8ad51e5c4fded", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io::Empty`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::Empty;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `graphics::math::rotate_radians`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use graphics::math::rotate_radians;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `RngCore`, `Rng`
[INFO] [stdout]  --> src/main.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use rand::{Rng, RngCore, thread_rng};
[INFO] [stdout]   |            ^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `ROW_COUNT`
[INFO] [stdout]   --> src/main.rs:15:1
[INFO] [stdout]    |
[INFO] [stdout] 15 | const ROW_COUNT: usize = WINDOW_HEIGHT_PIXELS as usize / TILE_SIZE as usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COL_COUNT`
[INFO] [stdout]   --> src/main.rs:16:1
[INFO] [stdout]    |
[INFO] [stdout] 16 | const COL_COUNT: usize = WINDOW_WIDTH_PIXELS as usize / TILE_SIZE as usize;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `COLOR_FOOD`
[INFO] [stdout]   --> src/main.rs:23:1
[INFO] [stdout]    |
[INFO] [stdout] 23 | const COLOR_FOOD: Color = COLOR_GREEN;
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "7646dd4af2c90f768a808ce597dabd59543e1a4a0df8456466c8ad51e5c4fded", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7646dd4af2c90f768a808ce597dabd59543e1a4a0df8456466c8ad51e5c4fded", kill_on_drop: false }`
[INFO] [stdout] 7646dd4af2c90f768a808ce597dabd59543e1a4a0df8456466c8ad51e5c4fded
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", 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] 8195e823fcc715ea068928195030897c083f0b513d8add297876bd9d8e108a90
[INFO] running `Command { std: "docker" "start" "-a" "8195e823fcc715ea068928195030897c083f0b513d8add297876bd9d8e108a90", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::io::Empty`
[INFO] [stderr]  --> src/main.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::Empty;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::math::rotate_radians`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use graphics::math::rotate_radians;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `RngCore`, `Rng`
[INFO] [stderr]  --> src/main.rs:7:12
[INFO] [stderr]   |
[INFO] [stderr] 7 | use rand::{Rng, RngCore, thread_rng};
[INFO] [stderr]   |            ^^^  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `ROW_COUNT`
[INFO] [stderr]   --> src/main.rs:15:1
[INFO] [stderr]    |
[INFO] [stderr] 15 | const ROW_COUNT: usize = WINDOW_HEIGHT_PIXELS as usize / TILE_SIZE as usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COL_COUNT`
[INFO] [stderr]   --> src/main.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | const COL_COUNT: usize = WINDOW_WIDTH_PIXELS as usize / TILE_SIZE as usize;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant is never used: `COLOR_FOOD`
[INFO] [stderr]   --> src/main.rs:23:1
[INFO] [stderr]    |
[INFO] [stderr] 23 | const COLOR_FOOD: Color = COLOR_GREEN;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-snake` (bin "rust-snake" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_snake-65210abc32b3fcb7)
[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" "8195e823fcc715ea068928195030897c083f0b513d8add297876bd9d8e108a90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8195e823fcc715ea068928195030897c083f0b513d8add297876bd9d8e108a90", kill_on_drop: false }`
[INFO] [stdout] 8195e823fcc715ea068928195030897c083f0b513d8add297876bd9d8e108a90