[INFO] cloning repository CHAM0/Snake-Rust
[INFO] running `"git" "clone" "--bare" "git://github.com/CHAM0/Snake-Rust.git" "work/cache/sources/gh/CHAM0/Snake-Rust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/CHAM0/Snake-Rust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/CHAM0/Snake-Rust" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/CHAM0/Snake-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/CHAM0/Snake-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CHAM0/Snake-Rust" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/CHAM0/Snake-Rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/CHAM0/Snake-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62836da1987ce895a2381a090bc4e00d45adbac0
[INFO] sha for GitHub repo CHAM0/Snake-Rust: 62836da1987ce895a2381a090bc4e00d45adbac0
[INFO] validating manifest of CHAM0/Snake-Rust on toolchain master#9f06855064ed06a50c496577b21ca50f92a2e67d
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CHAM0/Snake-Rust on toolchain try#d3301713b54af69ca9de941a8c6b0d8287dbd6df
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CHAM0/Snake-Rust
[INFO] finished frobbing CHAM0/Snake-Rust
[INFO] frobbed toml for CHAM0/Snake-Rust written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/CHAM0/Snake-Rust/Cargo.toml
[INFO] started frobbing CHAM0/Snake-Rust
[INFO] finished frobbing CHAM0/Snake-Rust
[INFO] frobbed toml for CHAM0/Snake-Rust written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/CHAM0/Snake-Rust/Cargo.toml
[INFO] crate CHAM0/Snake-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+9f06855064ed06a50c496577b21ca50f92a2e67d-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking CHAM0/Snake-Rust against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-1/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/CHAM0/Snake-Rust:/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" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] c55ce713a15325a8e0b057e352f2598c19d7ddab5ca0e1f431f32366f49aa5d7
[INFO] running `"docker" "start" "-a" "c55ce713a15325a8e0b057e352f2598c19d7ddab5ca0e1f431f32366f49aa5d7"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.16
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]     Checking image v0.19.0
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking ggez v0.4.4
[INFO] [stderr]     Checking snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `DrawMode`
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ggez::graphics::{DrawMode, Point2, MeshBuilder, Mesh};
[INFO] [stderr]   |                      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `DrawMode`
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ggez::graphics::{DrawMode, Point2, MeshBuilder, Mesh};
[INFO] [stderr]   |                      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         graphics::set_color(ctx, [0.0, 0.0, 1.0, 1.0].into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         graphics::set_color(ctx, [0.0, 0.0, 1.0, 1.0].into());
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.76s
[INFO] running `"docker" "inspect" "c55ce713a15325a8e0b057e352f2598c19d7ddab5ca0e1f431f32366f49aa5d7"`
[INFO] running `"docker" "rm" "-f" "c55ce713a15325a8e0b057e352f2598c19d7ddab5ca0e1f431f32366f49aa5d7"`
[INFO] [stdout] c55ce713a15325a8e0b057e352f2598c19d7ddab5ca0e1f431f32366f49aa5d7