[INFO] updating cached repository illemonati/snake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/illemonati/snake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/illemonati/snake" "work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/illemonati/snake"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/illemonati/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/illemonati/snake" "work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/illemonati/snake"`
[INFO] [stderr] Cloning into 'work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/illemonati/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65b94cca9c3ffe7d48859e2f304e1a0b2cf37c6e
[INFO] sha for GitHub repo illemonati/snake: 65b94cca9c3ffe7d48859e2f304e1a0b2cf37c6e
[INFO] validating manifest of illemonati/snake on toolchain master#0f88167f89fffe321590c5148f21b7d51d44388d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of illemonati/snake on toolchain try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing illemonati/snake
[INFO] finished frobbing illemonati/snake
[INFO] frobbed toml for illemonati/snake written to work/ex/pr-58948/sources/master#0f88167f89fffe321590c5148f21b7d51d44388d/gh/illemonati/snake/Cargo.toml
[INFO] started frobbing illemonati/snake
[INFO] finished frobbing illemonati/snake
[INFO] frobbed toml for illemonati/snake written to work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/illemonati/snake/Cargo.toml
[INFO] crate illemonati/snake already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0f88167f89fffe321590c5148f21b7d51d44388d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking illemonati/snake against try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b for pr-58948
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58948/worker-6/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58948/sources/try#a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b/gh/illemonati/snake:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+a829e31f924ec11e400e8d0c2fd2c4bb8937ae6b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b27b50f306fb392bfab48cf480ac27ccdca21c7c9acf5b669f6cdadc4c121ab1
[INFO] running `"docker" "start" "-a" "b27b50f306fb392bfab48cf480ac27ccdca21c7c9acf5b669f6cdadc4c121ab1"`
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking tempfile v3.0.3
[INFO] [stderr]    Compiling syn v0.15.3
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking wayland-sys v0.12.5
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking wayland-client v0.12.5
[INFO] [stderr]     Checking wayland-protocols v0.12.5
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.78
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking winit v0.12.0
[INFO] [stderr]     Checking glutin v0.14.0
[INFO] [stderr]     Checking pistoncore-input v0.21.0
[INFO] [stderr]     Checking pistoncore-window v0.32.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.37.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.47.0
[INFO] [stderr]     Checking piston v0.37.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `piston::window::WindowSettings`
[INFO] [stderr]  --> src/Game.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use piston::window::WindowSettings;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop::*`
[INFO] [stderr]  --> src/Game.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin_window::GlutinWindow`
[INFO] [stderr]   --> src/Game.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use glutin_window::GlutinWindow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OpenGL`
[INFO] [stderr]   --> src/Game.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 | use opengl_graphics::{GlGraphics, OpenGL};
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/Game.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |         if (btn == &Button::Keyboard(Key::NumPad1) || btn == &Button::Keyboard(Key::D1)){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/Game.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if (btn == &Button::Keyboard(Key::NumPad2) || btn == &Button::Keyboard(Key::D2)){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::window::WindowSettings`
[INFO] [stderr]  --> src/Snake.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use piston::window::WindowSettings;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop::*`
[INFO] [stderr]  --> src/Snake.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin_window::GlutinWindow`
[INFO] [stderr]   --> src/Snake.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use glutin_window::GlutinWindow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OpenGL`
[INFO] [stderr]   --> src/Snake.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 | use opengl_graphics::{GlGraphics, OpenGL};
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]   --> src/Snake.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::iter::FromIterator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/main.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if let Some(u) = e.update_args() {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Game` should have a snake case name
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | mod Game;
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `game`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `GREEN` should have a snake case name
[INFO] [stderr]   --> src/Game.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `green`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Snake` should have a snake case name
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | mod Snake;
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to snake case: `snake`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `RED` should have a snake case name
[INFO] [stderr]   --> src/Snake.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let RED: [f32; 4] = [1.0,0.0,0.0,1.0];
[INFO] [stderr]    |             ^^^ help: convert the identifier to snake case: `red`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::window::WindowSettings`
[INFO] [stderr]  --> src/Game.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use piston::window::WindowSettings;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop::*`
[INFO] [stderr]  --> src/Game.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin_window::GlutinWindow`
[INFO] [stderr]   --> src/Game.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use glutin_window::GlutinWindow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OpenGL`
[INFO] [stderr]   --> src/Game.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 | use opengl_graphics::{GlGraphics, OpenGL};
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/Game.rs:51:12
[INFO] [stderr]    |
[INFO] [stderr] 51 |         if (btn == &Button::Keyboard(Key::NumPad1) || btn == &Button::Keyboard(Key::D1)){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_parens)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]   --> src/Game.rs:54:12
[INFO] [stderr]    |
[INFO] [stderr] 54 |         if (btn == &Button::Keyboard(Key::NumPad2) || btn == &Button::Keyboard(Key::D2)){
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::window::WindowSettings`
[INFO] [stderr]  --> src/Snake.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use piston::window::WindowSettings;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop::*`
[INFO] [stderr]  --> src/Snake.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin_window::GlutinWindow`
[INFO] [stderr]   --> src/Snake.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use glutin_window::GlutinWindow;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `OpenGL`
[INFO] [stderr]   --> src/Snake.rs:11:35
[INFO] [stderr]    |
[INFO] [stderr] 11 | use opengl_graphics::{GlGraphics, OpenGL};
[INFO] [stderr]    |                                   ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::FromIterator`
[INFO] [stderr]   --> src/Snake.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::iter::FromIterator;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]   --> src/main.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 |         if let Some(u) = e.update_args() {
[INFO] [stderr]    |                     ^ help: consider prefixing with an underscore: `_u`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `Game` should have a snake case name
[INFO] [stderr]   --> src/main.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 | mod Game;
[INFO] [stderr]    |     ^^^^ help: convert the identifier to snake case: `game`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `GREEN` should have a snake case name
[INFO] [stderr]   --> src/Game.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `green`
[INFO] [stderr] 
[INFO] [stderr] warning: module `Snake` should have a snake case name
[INFO] [stderr]   --> src/main.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | mod Snake;
[INFO] [stderr]    |     ^^^^^ help: convert the identifier to snake case: `snake`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `RED` should have a snake case name
[INFO] [stderr]   --> src/Snake.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let RED: [f32; 4] = [1.0,0.0,0.0,1.0];
[INFO] [stderr]    |             ^^^ help: convert the identifier to snake case: `red`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.50s
[INFO] running `"docker" "inspect" "b27b50f306fb392bfab48cf480ac27ccdca21c7c9acf5b669f6cdadc4c121ab1"`
[INFO] running `"docker" "rm" "-f" "b27b50f306fb392bfab48cf480ac27ccdca21c7c9acf5b669f6cdadc4c121ab1"`
[INFO] [stdout] b27b50f306fb392bfab48cf480ac27ccdca21c7c9acf5b669f6cdadc4c121ab1