[INFO] cloning repository https://github.com/hibikine/snake_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hibikine/snake_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibikine%2Fsnake_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibikine%2Fsnake_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae690b5e883f3bccea41bd5e3da757e2ef8d6ccc
[INFO] checking hibikine/snake_game against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhibikine%2Fsnake_game" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hibikine/snake_game on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hibikine/snake_game
[INFO] finished tweaking git repo https://github.com/hibikine/snake_game
[INFO] tweaked toml for git repo https://github.com/hibikine/snake_game written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/hibikine/snake_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 720dc069a21676de8cacd14221c0124cae55c6ca0d3bf2cc4cdbc7c85b3a1c23
[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" "720dc069a21676de8cacd14221c0124cae55c6ca0d3bf2cc4cdbc7c85b3a1c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "720dc069a21676de8cacd14221c0124cae55c6ca0d3bf2cc4cdbc7c85b3a1c23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "720dc069a21676de8cacd14221c0124cae55c6ca0d3bf2cc4cdbc7c85b3a1c23", kill_on_drop: false }`
[INFO] [stdout] 720dc069a21676de8cacd14221c0124cae55c6ca0d3bf2cc4cdbc7c85b3a1c23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36f21d7845e8b034fc7602267b3bed05890327c6bb9fe62d59b19eb2f581d427
[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" "36f21d7845e8b034fc7602267b3bed05890327c6bb9fe62d59b19eb2f581d427", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.96
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling version_check v0.9.3
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[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]     Checking piston-graphics_api_version v1.0.0
[INFO] [stderr]     Checking slab v0.4.3
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]     Checking color_quant v1.1.0
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[INFO] [stderr]     Checking libloading v0.7.0
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking libloading v0.6.7
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]     Checking lock_api v0.4.4
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[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling wayland-scanner v0.28.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
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[INFO] [stderr]    Compiling gl v0.13.0
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking raw-window-handle v0.3.3
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[INFO] [stderr]     Checking pistoncore-input v1.0.0
[INFO] [stderr]     Checking winit v0.24.0
[INFO] [stderr]     Checking pistoncore-window v0.47.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.53.0
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[INFO] [stderr]     Checking glutin v0.26.0
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[INFO] [stderr]     Checking snake_game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `ButtonState`, `UpdateArgs`
[INFO] [stdout]   --> src/main.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     keyboard::Key, Button, ButtonEvent, ButtonState, RenderArgs, RenderEvent, UpdateArgs,
[INFO] [stdout]    |                                         ^^^^^^^^^^^                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ButtonState`, `UpdateArgs`
[INFO] [stdout]   --> src/main.rs:11:41
[INFO] [stdout]    |
[INFO] [stdout] 11 |     keyboard::Key, Button, ButtonEvent, ButtonState, RenderArgs, RenderEvent, UpdateArgs,
[INFO] [stdout]    |                                         ^^^^^^^^^^^                           ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:217:21
[INFO] [stdout]     |
[INFO] [stdout] 217 |         if let Some(args) = e.update_args() {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RED` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
[INFO] [stdout]    |             ^^^ help: convert the identifier to snake case: `red`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `YELLOW` should have a snake case name
[INFO] [stdout]    --> src/main.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let YELLOW: [f32; 4] = [1.0, 1.0, 0.0, 1.0];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `yellow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `GREEN` should have a snake case name
[INFO] [stdout]    --> src/main.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/main.rs:217:21
[INFO] [stdout]     |
[INFO] [stdout] 217 |         if let Some(args) = e.update_args() {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:123:13
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |             ----^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `RED` should have a snake case name
[INFO] [stdout]   --> src/main.rs:47:13
[INFO] [stdout]    |
[INFO] [stdout] 47 |         let RED: [f32; 4] = [1.0, 0.0, 0.0, 1.0];
[INFO] [stdout]    |             ^^^ help: convert the identifier to snake case: `red`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `YELLOW` should have a snake case name
[INFO] [stdout]    --> src/main.rs:138:13
[INFO] [stdout]     |
[INFO] [stdout] 138 |         let YELLOW: [f32; 4] = [1.0, 1.0, 0.0, 1.0];
[INFO] [stdout]     |             ^^^^^^ help: convert the identifier to snake case: `yellow`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `GREEN` should have a snake case name
[INFO] [stdout]    --> src/main.rs:166:13
[INFO] [stdout]     |
[INFO] [stdout] 166 |         let GREEN: [f32; 4] = [0.0, 1.0, 0.0, 1.0];
[INFO] [stdout]     |             ^^^^^ help: convert the identifier to snake case: `green`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "36f21d7845e8b034fc7602267b3bed05890327c6bb9fe62d59b19eb2f581d427", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f21d7845e8b034fc7602267b3bed05890327c6bb9fe62d59b19eb2f581d427", kill_on_drop: false }`
[INFO] [stdout] 36f21d7845e8b034fc7602267b3bed05890327c6bb9fe62d59b19eb2f581d427