[INFO] cloning repository https://github.com/DankDumpster/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/DankDumpster/snake-game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Fsnake-game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Fsnake-game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 0f5bca455e7d00bc102ea3c0c747aa8093d75bc3
[INFO] checking DankDumpster/snake-game against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDankDumpster%2Fsnake-game" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DankDumpster/snake-game on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DankDumpster/snake-game
[INFO] finished tweaking git repo https://github.com/DankDumpster/snake-game
[INFO] tweaked toml for git repo https://github.com/DankDumpster/snake-game written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ordered-float v0.5.2
[INFO] [stderr]   Downloaded stb_truetype v0.2.8
[INFO] [stderr]   Downloaded gl_generator v0.8.0
[INFO] [stderr]   Downloaded glutin v0.12.2
[INFO] [stderr]   Downloaded winit v0.10.0
[INFO] [stderr]   Downloaded pistoncore-glutin_window v0.45.3
[INFO] [stderr]   Downloaded piston2d-opengl_graphics v0.52.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4efc4fbf91f5abc1fd5ab4be9e039162e1f39a383460b31693bf32834c7af7e0
[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" "4efc4fbf91f5abc1fd5ab4be9e039162e1f39a383460b31693bf32834c7af7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4efc4fbf91f5abc1fd5ab4be9e039162e1f39a383460b31693bf32834c7af7e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4efc4fbf91f5abc1fd5ab4be9e039162e1f39a383460b31693bf32834c7af7e0", kill_on_drop: false }`
[INFO] [stdout] 4efc4fbf91f5abc1fd5ab4be9e039162e1f39a383460b31693bf32834c7af7e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40af7f1652256d67ec43f81e95a56a2f93db333e9df1e68c03de45ecaee6ca53
[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" "40af7f1652256d67ec43f81e95a56a2f93db333e9df1e68c03de45ecaee6ca53", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking cfg-if v0.1.10
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[INFO] [stderr]    Compiling maybe-uninit v2.0.0
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[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling pkg-config v0.3.18
[INFO] [stderr]     Checking remove_dir_all v0.5.3
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[INFO] [stderr]     Checking piston2d-graphics v0.26.0
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[INFO] [stderr]     Checking wayland-window v0.13.3
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]     Checking winit v0.10.0
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.52.1
[INFO] [stderr]     Checking pistoncore-input v0.20.0
[INFO] [stderr]     Checking pistoncore-window v0.31.0
[INFO] [stderr]     Checking pistoncore-event_loop v0.36.0
[INFO] [stderr]     Checking pistoncore-glutin_window v0.45.3
[INFO] [stderr]     Checking piston v0.36.0
[INFO] [stderr]     Checking snake-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate graphics;
[INFO] [stdout]    | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 31 |         use graphics;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Snake_Piece` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct Snake_Piece(u32, u32);
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SnakePiece`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]    --> src/main.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate graphics;
[INFO] [stdout]     | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 105 |         use graphics;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]    --> src/main.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate graphics;
[INFO] [stdout]     | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 179 |         use graphics;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]   --> src/main.rs:31:13
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate graphics;
[INFO] [stdout]    | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 31 |         use graphics;
[INFO] [stdout]    |             ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Snake_Piece` should have an upper camel case name
[INFO] [stdout]    --> src/main.rs:101:12
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct Snake_Piece(u32, u32);
[INFO] [stdout]     |            ^^^^^^^^^^^ help: convert the identifier to upper camel case: `SnakePiece`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]    --> src/main.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate graphics;
[INFO] [stdout]     | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 105 |         use graphics;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `graphics` is imported redundantly
[INFO] [stdout]    --> src/main.rs:179:13
[INFO] [stdout]     |
[INFO] [stdout] 2   | extern crate graphics;
[INFO] [stdout]     | ---------------------- the item `graphics` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 179 |         use graphics;
[INFO] [stdout]     |             ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.gl.draw(args.viewport(), |c, gl| {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn update(&mut self, args: &UpdateArgs) -> bool {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]   --> src/main.rs:35:40
[INFO] [stdout]    |
[INFO] [stdout] 35 |         self.gl.draw(args.viewport(), |c, gl| {
[INFO] [stdout]    |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]   --> src/main.rs:43:26
[INFO] [stdout]    |
[INFO] [stdout] 43 |     fn update(&mut self, args: &UpdateArgs) -> bool {
[INFO] [stdout]    |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WIDTH` should have a snake case name
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let WIDTH = COLS * SQUARE_WIDTH;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HEIGHT` should have a snake case name
[INFO] [stdout]    --> src/main.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let HEIGHT = ROWS * SQUARE_WIDTH;
[INFO] [stdout]     |         ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `WIDTH` should have a snake case name
[INFO] [stdout]    --> src/main.rs:204:9
[INFO] [stdout]     |
[INFO] [stdout] 204 |     let WIDTH = COLS * SQUARE_WIDTH;
[INFO] [stdout]     |         ^^^^^ help: convert the identifier to snake case: `width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `HEIGHT` should have a snake case name
[INFO] [stdout]    --> src/main.rs:205:9
[INFO] [stdout]     |
[INFO] [stdout] 205 |     let HEIGHT = ROWS * SQUARE_WIDTH;
[INFO] [stdout]     |         ^^^^^^ help: convert the identifier to snake case: `height`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "40af7f1652256d67ec43f81e95a56a2f93db333e9df1e68c03de45ecaee6ca53", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40af7f1652256d67ec43f81e95a56a2f93db333e9df1e68c03de45ecaee6ca53", kill_on_drop: false }`
[INFO] [stdout] 40af7f1652256d67ec43f81e95a56a2f93db333e9df1e68c03de45ecaee6ca53