[INFO] updating cached repository https://github.com/illemonati/snake
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 65b94cca9c3ffe7d48859e2f304e1a0b2cf37c6e
[INFO] checking illemonati/snake against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fillemonati%2Fsnake" "/workspace/builds/worker-1/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/illemonati/snake on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/illemonati/snake
[INFO] finished tweaking git repo https://github.com/illemonati/snake
[INFO] tweaked toml for git repo https://github.com/illemonati/snake written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/illemonati/snake already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 638a24076a5ec3fa48a97eb2478fcdcd37e4c90834a4232e9437e1f6dbc92eaa
[INFO] running `"docker" "start" "-a" "638a24076a5ec3fa48a97eb2478fcdcd37e4c90834a4232e9437e1f6dbc92eaa"`
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.53.0
[INFO] [stderr]     Checking snake v0.1.0 (/opt/rustwide/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: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/Game.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 23 |         use graphics;
[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: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/Snake.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 26 |         use graphics;
[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: 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 `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: 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: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/Game.rs:23:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 23 |         use graphics;
[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: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/Snake.rs:26:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 26 |         use graphics;
[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: 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 `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: 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 9.03s
[INFO] running `"docker" "inspect" "638a24076a5ec3fa48a97eb2478fcdcd37e4c90834a4232e9437e1f6dbc92eaa"`
[INFO] running `"docker" "rm" "-f" "638a24076a5ec3fa48a97eb2478fcdcd37e4c90834a4232e9437e1f6dbc92eaa"`
[INFO] [stdout] 638a24076a5ec3fa48a97eb2478fcdcd37e4c90834a4232e9437e1f6dbc92eaa