[INFO] cloning repository https://github.com/CarlCochet/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/CarlCochet/Rust_Snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlCochet%2FRust_Snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlCochet%2FRust_Snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 33ce320bb3a79f4cd08ebe1a035c2382883171fd
[INFO] testing CarlCochet/Rust_Snake against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCarlCochet%2FRust_Snake" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/CarlCochet/Rust_Snake on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/CarlCochet/Rust_Snake
[INFO] finished tweaking git repo https://github.com/CarlCochet/Rust_Snake
[INFO] tweaked toml for git repo https://github.com/CarlCochet/Rust_Snake written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/CarlCochet/Rust_Snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded xml-rs v0.8.0
[INFO] [stderr]   Downloaded pistoncore-input v0.24.0
[INFO] [stderr]   Downloaded gl_generator v0.11.0
[INFO] [stderr]   Downloaded num-derive v0.2.5
[INFO] [stderr]   Downloaded pistoncore-event_loop v0.42.0
[INFO] [stderr]   Downloaded vecmath v0.3.1
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.59.0
[INFO] [stderr]   Downloaded png v0.14.1
[INFO] [stderr]   Downloaded piston v0.42.0
[INFO] [stderr]   Downloaded backtrace v0.3.20
[INFO] [stderr]   Downloaded piston-texture v0.6.0
[INFO] [stderr]   Downloaded pistoncore-window v0.37.0
[INFO] [stderr]   Downloaded wayland-sys v0.21.12
[INFO] [stderr]   Downloaded wayland-commons v0.21.12
[INFO] [stderr]   Downloaded libloading v0.5.0
[INFO] [stderr]   Downloaded stb_truetype v0.2.6
[INFO] [stderr]   Downloaded objc v0.2.6
[INFO] [stderr]   Downloaded image v0.21.1
[INFO] [stderr]   Downloaded wayland-protocols v0.21.12
[INFO] [stderr]   Downloaded winit v0.18.1
[INFO] [stderr]   Downloaded nix v0.13.0
[INFO] [stderr]   Downloaded tiff v0.2.2
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.54.0
[INFO] [stderr]   Downloaded cocoa v0.18.4
[INFO] [stderr]   Downloaded wayland-scanner v0.21.12
[INFO] [stderr]   Downloaded rusttype v0.7.6
[INFO] [stderr]   Downloaded downcast-rs v1.0.4
[INFO] [stderr]   Downloaded wayland-client v0.21.12
[INFO] [stderr]   Downloaded x11-dl v2.18.3
[INFO] [stderr]   Downloaded glutin v0.19.0
[INFO] [stderr]   Downloaded piston-float v0.3.0
[INFO] [stderr]   Downloaded shader_version v0.3.0
[INFO] [stderr]   Downloaded piston2d-graphics v0.30.0
[INFO] [stderr]   Downloaded piston-viewport v0.5.0
[INFO] [stderr]   Downloaded gleam v0.6.17
[INFO] [stderr]   Downloaded smithay-client-toolkit v0.4.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bdf39b2e3810e260c95f66a5a475f99e3b5f4daed85214b68f67a5e1951dcecb
[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" "bdf39b2e3810e260c95f66a5a475f99e3b5f4daed85214b68f67a5e1951dcecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bdf39b2e3810e260c95f66a5a475f99e3b5f4daed85214b68f67a5e1951dcecb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bdf39b2e3810e260c95f66a5a475f99e3b5f4daed85214b68f67a5e1951dcecb", kill_on_drop: false }`
[INFO] [stdout] bdf39b2e3810e260c95f66a5a475f99e3b5f4daed85214b68f67a5e1951dcecb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", 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] fd1cc2e844bab31a78ad0e5d593866c92c1a9d47a4d395c4b073a785bea64a40
[INFO] running `Command { std: "docker" "start" "-a" "fd1cc2e844bab31a78ad0e5d593866c92c1a9d47a4d395c4b073a785bea64a40", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling downcast-rs v1.0.4
[INFO] [stderr]    Compiling smallvec v0.6.9
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num_cpus v1.10.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[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 rayon v1.0.3
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.30.0
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.59.0
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling pistoncore-window v0.37.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.42.0
[INFO] [stderr]    Compiling piston v0.42.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.54.0
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate graphics;
[INFO] [stdout]    | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 37 |         use graphics;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]    --> src/main.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate graphics;
[INFO] [stdout]     | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 116 |         use graphics;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]    --> src/main.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate graphics;
[INFO] [stdout]     | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 185 |         use graphics;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/main.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |         if let Some(u) = e.update_args() {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `lastKey` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     lastKey: Key,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `last_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WHITE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let WHITE: [f32; 4] = [1.0, 1.0, 1.0, 1.0];
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `white`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BLACK` should have a snake case name
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let BLACK: [f32; 4] = [0.0, 0.0, 0.0, 1.0];
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 20s
[INFO] running `Command { std: "docker" "inspect" "fd1cc2e844bab31a78ad0e5d593866c92c1a9d47a4d395c4b073a785bea64a40", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd1cc2e844bab31a78ad0e5d593866c92c1a9d47a4d395c4b073a785bea64a40", kill_on_drop: false }`
[INFO] [stdout] fd1cc2e844bab31a78ad0e5d593866c92c1a9d47a4d395c4b073a785bea64a40
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f31b7e22fab87b8c5b05ff24ccd1b05a8a6f0c4a6459550347c38de1107d520
[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" "2f31b7e22fab87b8c5b05ff24ccd1b05a8a6f0c4a6459550347c38de1107d520", kill_on_drop: false }`
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]   --> src/main.rs:37:13
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate graphics;
[INFO] [stdout]    | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 37 |         use graphics;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]    --> src/main.rs:116:13
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate graphics;
[INFO] [stdout]     | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 116 |         use graphics;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]    --> src/main.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate graphics;
[INFO] [stdout]     | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 185 |         use graphics;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `u`
[INFO] [stdout]    --> src/main.rs:234:21
[INFO] [stdout]     |
[INFO] [stdout] 234 |         if let Some(u) = e.update_args() {
[INFO] [stdout]     |                     ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `lastKey` should have a snake case name
[INFO] [stdout]   --> src/main.rs:32:5
[INFO] [stdout]    |
[INFO] [stdout] 32 |     lastKey: Key,
[INFO] [stdout]    |     ^^^^^^^ help: convert the identifier to snake case: `last_key`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WHITE` should have a snake case name
[INFO] [stdout]   --> src/main.rs:39:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |         let WHITE: [f32; 4] = [1.0, 1.0, 1.0, 1.0];
[INFO] [stdout]    |             ^^^^^ help: convert the identifier to snake case: `white`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BLACK` should have a snake case name
[INFO] [stdout]    --> src/main.rs:118:13
[INFO] [stdout]     |
[INFO] [stdout] 118 |         let BLACK: [f32; 4] = [0.0, 0.0, 0.0, 1.0];
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `black`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] running `Command { std: "docker" "inspect" "2f31b7e22fab87b8c5b05ff24ccd1b05a8a6f0c4a6459550347c38de1107d520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f31b7e22fab87b8c5b05ff24ccd1b05a8a6f0c4a6459550347c38de1107d520", kill_on_drop: false }`
[INFO] [stdout] 2f31b7e22fab87b8c5b05ff24ccd1b05a8a6f0c4a6459550347c38de1107d520
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+beta-2020-10-09" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 751476a58d5c31ad0e1dfc222e3ad3bc95510df950875f4dc36f14e00d0c1017
[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" "751476a58d5c31ad0e1dfc222e3ad3bc95510df950875f4dc36f14e00d0c1017", kill_on_drop: false }`
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 37 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/main.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 116 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/main.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 185 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |         if let Some(u) = e.update_args() {
[INFO] [stderr]     |                     ^ help: if this is intentional, prefix it with an underscore: `_u`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `lastKey` should have a snake case name
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     lastKey: Key,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to snake case: `last_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WHITE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let WHITE: [f32; 4] = [1.0, 1.0, 1.0, 1.0];
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `white`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `BLACK` should have a snake case name
[INFO] [stderr]    --> src/main.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let BLACK: [f32; 4] = [0.0, 0.0, 0.0, 1.0];
[INFO] [stderr]     |             ^^^^^ help: convert the identifier to snake case: `black`
[INFO] [stderr] 
[INFO] [stderr] warning: 7 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/snake-cbd4b5fb5a6b601c
[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" "751476a58d5c31ad0e1dfc222e3ad3bc95510df950875f4dc36f14e00d0c1017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "751476a58d5c31ad0e1dfc222e3ad3bc95510df950875f4dc36f14e00d0c1017", kill_on_drop: false }`
[INFO] [stdout] 751476a58d5c31ad0e1dfc222e3ad3bc95510df950875f4dc36f14e00d0c1017
