[INFO] updating cached repository https://github.com/JamesDeVore/rust_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] d008164f456a0ebea520aa89252dbca63c48bbfd
[INFO] checking JamesDeVore/rust_snake against master#be493fe8cc40c3d3f6030a1313c1ff747fce770d for pr-69129
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJamesDeVore%2Frust_snake" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JamesDeVore/rust_snake on toolchain be493fe8cc40c3d3f6030a1313c1ff747fce770d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/JamesDeVore/rust_snake
[INFO] finished tweaking git repo https://github.com/JamesDeVore/rust_snake
[INFO] tweaked toml for git repo https://github.com/JamesDeVore/rust_snake written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/JamesDeVore/rust_snake already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "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] 6ae0876a5397f3efe5c70cb45ec1b1f9882e506ccbb9b66f4ed0146fb2dafed7
[INFO] running `"docker" "start" "-a" "6ae0876a5397f3efe5c70cb45ec1b1f9882e506ccbb9b66f4ed0146fb2dafed7"`
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling gl_generator v0.8.0
[INFO] [stderr]    Compiling wayland-client v0.12.5
[INFO] [stderr]    Compiling wayland-protocols v0.12.5
[INFO] [stderr]    Compiling gl v0.10.0
[INFO] [stderr]     Checking png v0.11.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.18
[INFO] [stderr]     Checking stb_truetype v0.2.8
[INFO] [stderr]     Checking rusttype v0.4.3
[INFO] [stderr]     Checking image v0.18.0
[INFO] [stderr]    Compiling glutin v0.12.2
[INFO] [stderr]     Checking piston2d-graphics v0.26.0
[INFO] [stderr]     Checking wayland-kbd v0.13.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking wayland-window v0.13.3
[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 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 34 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::*`
[INFO] [stderr]   --> src/main.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         use graphics::*;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |         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: variable `RED` should have a snake case name
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         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]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/main.rs:34:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 34 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `graphics::*`
[INFO] [stderr]   --> src/main.rs:72:13
[INFO] [stderr]    |
[INFO] [stderr] 72 |         use graphics::*;
[INFO] [stderr]    |             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:118:21
[INFO] [stderr]     |
[INFO] [stderr] 118 |         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: variable `RED` should have a snake case name
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 |         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]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `"docker" "inspect" "6ae0876a5397f3efe5c70cb45ec1b1f9882e506ccbb9b66f4ed0146fb2dafed7"`
[INFO] running `"docker" "rm" "-f" "6ae0876a5397f3efe5c70cb45ec1b1f9882e506ccbb9b66f4ed0146fb2dafed7"`
[INFO] [stdout] 6ae0876a5397f3efe5c70cb45ec1b1f9882e506ccbb9b66f4ed0146fb2dafed7