[INFO] cloning repository https://github.com/psFried/conrods-game-of-life
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/psFried/conrods-game-of-life" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpsFried%2Fconrods-game-of-life", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpsFried%2Fconrods-game-of-life'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 584c2c949e6f185b8ad9b78153fb8a4e8fbf1576
[INFO] checking psFried/conrods-game-of-life against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FpsFried%2Fconrods-game-of-life" "/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/psFried/conrods-game-of-life on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/psFried/conrods-game-of-life
[INFO] finished tweaking git repo https://github.com/psFried/conrods-game-of-life
[INFO] tweaked toml for git repo https://github.com/psFried/conrods-game-of-life written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/psFried/conrods-game-of-life already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-4/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", 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] 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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5a9ed3709e61891346f27a098370859db167aa47affeeb359fec1c94906258fd
[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" "5a9ed3709e61891346f27a098370859db167aa47affeeb359fec1c94906258fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5a9ed3709e61891346f27a098370859db167aa47affeeb359fec1c94906258fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a9ed3709e61891346f27a098370859db167aa47affeeb359fec1c94906258fd", kill_on_drop: false }`
[INFO] [stdout] 5a9ed3709e61891346f27a098370859db167aa47affeeb359fec1c94906258fd
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--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] 33d96453061c7b403b34bfc168a6c922f30c55eb7571d25046a44521bcc315c5
[INFO] running `Command { std: "docker" "start" "-a" "33d96453061c7b403b34bfc168a6c922f30c55eb7571d25046a44521bcc315c5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling xml-rs v0.8.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libloading v0.6.3
[INFO] [stderr]     Checking piston-float v1.0.0
[INFO] [stderr]    Compiling rayon-core v1.8.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking downcast-rs v1.2.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling cc v1.0.59
[INFO] [stderr]     Checking color_quant v1.0.1
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking piston-texture v0.8.0
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking read_color v1.0.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking piston-shaders_graphics2d v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rayon v1.4.0
[INFO] [stderr]    Compiling num-rational v0.3.0
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]     Checking piston-viewport v1.0.0
[INFO] [stderr]     Checking vecmath v1.0.0
[INFO] [stderr]     Checking shader_version v0.7.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]     Checking gif v0.10.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking draw_state v0.8.0
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking tiff v0.5.0
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking dlib v0.4.2
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking wayland-sys v0.21.13
[INFO] [stderr]     Checking png v0.16.7
[INFO] [stderr]     Checking gfx_core v0.9.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]    Compiling wayland-scanner v0.21.13
[INFO] [stderr]    Compiling syn v1.0.41
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking raw-window-handle v0.3.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking ordered-float v1.1.0
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling gfx_gl v0.6.1
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]     Checking rusttype v0.7.9
[INFO] [stderr]     Checking piston2d-graphics v0.37.0
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]    Compiling wayland-client v0.21.13
[INFO] [stderr]    Compiling wayland-protocols v0.21.13
[INFO] [stderr]     Checking gfx v0.18.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking wayland-commons v0.21.13
[INFO] [stderr]     Checking jpeg-decoder v0.1.20
[INFO] [stderr]     Checking image v0.23.9
[INFO] [stderr]     Checking gfx_device_gl v0.16.2
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.6
[INFO] [stderr]     Checking piston-gfx_texture v0.41.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.74.0
[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.70.0
[INFO] [stderr]     Checking winit v0.19.5
[INFO] [stderr]     Checking pistoncore-window v0.47.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.52.0
[INFO] [stderr]     Checking piston v0.52.0
[INFO] [stderr]     Checking glutin v0.21.2
[INFO] [stderr]     Checking pistoncore-glutin_window v0.66.0
[INFO] [stderr]     Checking piston_window v0.112.0
[INFO] [stderr]     Checking conrods-game-of-life v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `opengl_graphics::glyph_cache`
[INFO] [stdout]   --> src/main.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | use opengl_graphics::glyph_cache::GlyphCache;
[INFO] [stdout]    |                      ^^^^^^^^^^^ could not find `glyph_cache` in `opengl_graphics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `self::conrod::Background`, `self::conrod::Button`, `self::conrod::color`, `self::conrod::Colorable`, `self::conrod::CharacterCache`, `self::conrod::Labelable`, `self::conrod::Sizeable`, `self::conrod::Theme`, `self::conrod::Ui`, `self::conrod::Widget`, `self::conrod::Positionable`, `self::conrod::WidgetId`, `self::conrod::WidgetMatrix`, `self::conrod::Toggle`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Background,
[INFO] [stdout]    |     ^^^^^^^^^^ no `Background` in the root
[INFO] [stdout] 21 |     Button,
[INFO] [stdout]    |     ^^^^^^ no `Button` in the root
[INFO] [stdout] 22 |     color,
[INFO] [stdout]    |     ^^^^^ no `color` in the root
[INFO] [stdout] 23 |     Colorable,
[INFO] [stdout]    |     ^^^^^^^^^ no `Colorable` in the root
[INFO] [stdout] 24 |     CharacterCache,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ no `CharacterCache` in the root
[INFO] [stdout] 25 |     Labelable,
[INFO] [stdout]    |     ^^^^^^^^^ no `Labelable` in the root
[INFO] [stdout] 26 |     Sizeable,
[INFO] [stdout]    |     ^^^^^^^^ no `Sizeable` in the root
[INFO] [stdout] 27 |     Theme,
[INFO] [stdout]    |     ^^^^^ no `Theme` in the root
[INFO] [stdout] 28 |     Ui,
[INFO] [stdout]    |     ^^ no `Ui` in the root
[INFO] [stdout] 29 |     Widget,
[INFO] [stdout]    |     ^^^^^^ no `Widget` in the root
[INFO] [stdout] 30 |     Positionable,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 31 |     WidgetId,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 32 |     WidgetMatrix,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 33 |     Toggle
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `widget_ids` in this scope
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | widget_ids!{
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MATRIX` in this scope
[INFO] [stdout]    --> src/main.rs:137:16
[INFO] [stdout]     |
[INFO] [stdout] 137 |         }).set(MATRIX, ui);
[INFO] [stdout]     |                ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MATRIX` in this scope
[INFO] [stdout]    --> src/main.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |         .down_from(MATRIX, MATRIX_PADDING)
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `PLAY_BUTTON` in this scope
[INFO] [stdout]    --> src/main.rs:186:14
[INFO] [stdout]     |
[INFO] [stdout] 186 |         .set(PLAY_BUTTON, ui);
[INFO] [stdout]     |              ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/conway/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/conway/mod.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |         if (initial_result > left) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Events`, `self`
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use piston::event_loop::{self, Events, EventLoop};
[INFO] [stdout]    |                          ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RenderEvent`
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use piston::input::{RenderEvent, Event};
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `conrods-game-of-life`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `opengl_graphics::glyph_cache`
[INFO] [stdout]   --> src/main.rs:14:22
[INFO] [stdout]    |
[INFO] [stdout] 14 | use opengl_graphics::glyph_cache::GlyphCache;
[INFO] [stdout]    |                      ^^^^^^^^^^^ could not find `glyph_cache` in `opengl_graphics`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved imports `self::conrod::Background`, `self::conrod::Button`, `self::conrod::color`, `self::conrod::Colorable`, `self::conrod::CharacterCache`, `self::conrod::Labelable`, `self::conrod::Sizeable`, `self::conrod::Theme`, `self::conrod::Ui`, `self::conrod::Widget`, `self::conrod::Positionable`, `self::conrod::WidgetId`, `self::conrod::WidgetMatrix`, `self::conrod::Toggle`
[INFO] [stdout]   --> src/main.rs:20:5
[INFO] [stdout]    |
[INFO] [stdout] 20 |     Background,
[INFO] [stdout]    |     ^^^^^^^^^^ no `Background` in the root
[INFO] [stdout] 21 |     Button,
[INFO] [stdout]    |     ^^^^^^ no `Button` in the root
[INFO] [stdout] 22 |     color,
[INFO] [stdout]    |     ^^^^^ no `color` in the root
[INFO] [stdout] 23 |     Colorable,
[INFO] [stdout]    |     ^^^^^^^^^ no `Colorable` in the root
[INFO] [stdout] 24 |     CharacterCache,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ no `CharacterCache` in the root
[INFO] [stdout] 25 |     Labelable,
[INFO] [stdout]    |     ^^^^^^^^^ no `Labelable` in the root
[INFO] [stdout] 26 |     Sizeable,
[INFO] [stdout]    |     ^^^^^^^^ no `Sizeable` in the root
[INFO] [stdout] 27 |     Theme,
[INFO] [stdout]    |     ^^^^^ no `Theme` in the root
[INFO] [stdout] 28 |     Ui,
[INFO] [stdout]    |     ^^ no `Ui` in the root
[INFO] [stdout] 29 |     Widget,
[INFO] [stdout]    |     ^^^^^^ no `Widget` in the root
[INFO] [stdout] 30 |     Positionable,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 31 |     WidgetId,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 32 |     WidgetMatrix,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 33 |     Toggle
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find macro `widget_ids` in this scope
[INFO] [stdout]   --> src/main.rs:43:1
[INFO] [stdout]    |
[INFO] [stdout] 43 | widget_ids!{
[INFO] [stdout]    | ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MATRIX` in this scope
[INFO] [stdout]    --> src/main.rs:137:16
[INFO] [stdout]     |
[INFO] [stdout] 137 |         }).set(MATRIX, ui);
[INFO] [stdout]     |                ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `MATRIX` in this scope
[INFO] [stdout]    --> src/main.rs:184:20
[INFO] [stdout]     |
[INFO] [stdout] 184 |         .down_from(MATRIX, MATRIX_PADDING)
[INFO] [stdout]     |                    ^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `PLAY_BUTTON` in this scope
[INFO] [stdout]    --> src/main.rs:186:14
[INFO] [stdout]     |
[INFO] [stdout] 186 |         .set(PLAY_BUTTON, ui);
[INFO] [stdout]     |              ^^^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::cmp`
[INFO] [stdout]  --> src/conway/mod.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cmp;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/conway/mod.rs:121:12
[INFO] [stdout]     |
[INFO] [stdout] 121 |         if (initial_result > left) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]   --> src/main.rs:11:17
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Events`, `self`
[INFO] [stdout]   --> src/main.rs:15:26
[INFO] [stdout]    |
[INFO] [stdout] 15 | use piston::event_loop::{self, Events, EventLoop};
[INFO] [stdout]    |                          ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `RenderEvent`
[INFO] [stdout]   --> src/main.rs:16:21
[INFO] [stdout]    |
[INFO] [stdout] 16 | use piston::input::{RenderEvent, Event};
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0425, E0432.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0425`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "33d96453061c7b403b34bfc168a6c922f30c55eb7571d25046a44521bcc315c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "33d96453061c7b403b34bfc168a6c922f30c55eb7571d25046a44521bcc315c5", kill_on_drop: false }`
[INFO] [stdout] 33d96453061c7b403b34bfc168a6c922f30c55eb7571d25046a44521bcc315c5
