[INFO] cloning repository onasauri/snake
[INFO] running `"git" "clone" "--bare" "git://github.com/onasauri/snake.git" "work/cache/sources/gh/onasauri/snake"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/onasauri/snake'...
[INFO] running `"git" "clone" "work/cache/sources/gh/onasauri/snake" "work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/onasauri/snake"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/onasauri/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/onasauri/snake" "work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/onasauri/snake"`
[INFO] [stderr] Cloning into 'work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/onasauri/snake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] eedc7092f4b9830a3afe813eee0bdebafe788cf1
[INFO] sha for GitHub repo onasauri/snake: eedc7092f4b9830a3afe813eee0bdebafe788cf1
[INFO] validating manifest of onasauri/snake 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 onasauri/snake 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 onasauri/snake
[INFO] finished frobbing onasauri/snake
[INFO] frobbed toml for onasauri/snake written to work/ex/pr-61874/sources/master#9f06855064ed06a50c496577b21ca50f92a2e67d/gh/onasauri/snake/Cargo.toml
[INFO] started frobbing onasauri/snake
[INFO] finished frobbing onasauri/snake
[INFO] frobbed toml for onasauri/snake written to work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/onasauri/snake/Cargo.toml
[INFO] crate onasauri/snake 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ndarray v0.8.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+d3301713b54af69ca9de941a8c6b0d8287dbd6df-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking onasauri/snake against try#d3301713b54af69ca9de941a8c6b0d8287dbd6df for pr-61874
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61874/worker-3/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61874/sources/try#d3301713b54af69ca9de941a8c6b0d8287dbd6df/gh/onasauri/snake:/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] 286fdcf03a9f5786bf04b228ec35a419578a27783eb39fb07284d514397818d7
[INFO] running `"docker" "start" "-a" "286fdcf03a9f5786bf04b228ec35a419578a27783eb39fb07284d514397818d7"`
[INFO] [stderr]     Checking either v1.0.3
[INFO] [stderr]    Compiling ndarray v0.8.0
[INFO] [stderr]     Checking num-complex v0.1.36
[INFO] [stderr]     Checking preferences v1.1.0
[INFO] [stderr]     Checking sdl2 v0.29.0
[INFO] [stderr]     Checking itertools v0.5.9
[INFO] [stderr]     Checking snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine.rs:37:41
[INFO] [stderr]    |
[INFO] [stderr] 37 |                                     let mut window = self.renderer.window_mut().unwrap();
[INFO] [stderr]    |                                         ----^^^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/engine.rs:37:41
[INFO] [stderr]    |
[INFO] [stderr] 37 |                                     let mut window = self.renderer.window_mut().unwrap();
[INFO] [stderr]    |                                         ----^^^^^^
[INFO] [stderr]    |                                         |
[INFO] [stderr]    |                                         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.05s
[INFO] running `"docker" "inspect" "286fdcf03a9f5786bf04b228ec35a419578a27783eb39fb07284d514397818d7"`
[INFO] running `"docker" "rm" "-f" "286fdcf03a9f5786bf04b228ec35a419578a27783eb39fb07284d514397818d7"`
[INFO] [stdout] 286fdcf03a9f5786bf04b228ec35a419578a27783eb39fb07284d514397818d7