[INFO] cloning repository teja635/snakeAI
[INFO] running `"git" "clone" "--bare" "git://github.com/teja635/snakeAI.git" "work/cache/sources/gh/teja635/snakeAI"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/teja635/snakeAI'...
[INFO] running `"git" "clone" "work/cache/sources/gh/teja635/snakeAI" "work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/teja635/snakeAI"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/teja635/snakeAI'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/teja635/snakeAI" "work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/teja635/snakeAI"`
[INFO] [stderr] Cloning into 'work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/teja635/snakeAI'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1a193601a1ad0737dc41939e8160cedb1378860b
[INFO] sha for GitHub repo teja635/snakeAI: 1a193601a1ad0737dc41939e8160cedb1378860b
[INFO] validating manifest of teja635/snakeAI on toolchain master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of teja635/snakeAI on toolchain try#8f81d0bf6baf07b92f1246696722485c4ca0b049
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing teja635/snakeAI
[INFO] finished frobbing teja635/snakeAI
[INFO] frobbed toml for teja635/snakeAI written to work/ex/pr-62008/sources/master#848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1/gh/teja635/snakeAI/Cargo.toml
[INFO] started frobbing teja635/snakeAI
[INFO] finished frobbing teja635/snakeAI
[INFO] frobbed toml for teja635/snakeAI written to work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/teja635/snakeAI/Cargo.toml
[INFO] crate teja635/snakeAI already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+848e0a23f34aaab3e4a974b031c86ef2a4e4fcc1-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded range_check v0.1.0
[INFO] running `"/mnt/big/ec2-user/crater/work/local/cargo-home/bin/cargo" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking teja635/snakeAI against try#8f81d0bf6baf07b92f1246696722485c4ca0b049 for pr-62008
[INFO] running `"docker" "create" "-v" "/mnt/big/ec2-user/crater/work/local/target-dirs/pr-62008/worker-7/try#8f81d0bf6baf07b92f1246696722485c4ca0b049:/opt/crater/target:rw,Z" "-v" "/mnt/big/ec2-user/crater/work/ex/pr-62008/sources/try#8f81d0bf6baf07b92f1246696722485c4ca0b049/gh/teja635/snakeAI:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/ec2-user/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/ec2-user/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" "+8f81d0bf6baf07b92f1246696722485c4ca0b049-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] ea1dd189b7202fee71b7f9f32b62f28a392ff27318c80f19be14db6fc72de679
[INFO] running `"docker" "start" "-a" "ea1dd189b7202fee71b7f9f32b62f28a392ff27318c80f19be14db6fc72de679"`
[INFO] [stderr]     Checking range_check v0.1.0
[INFO] [stderr]    Compiling ncurses v5.98.0
[INFO] [stderr]     Checking rand v0.4.3
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/lib.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |             Some(s) => false,
[INFO] [stderr]    |                  ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/lib.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Err(error) => { Err("Out of bounds") }
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/lib.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     width: u8,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/lib.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     height: u8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]   --> src/lib.rs:49:9
[INFO] [stderr]    |
[INFO] [stderr] 49 |             Some(s) => false,
[INFO] [stderr]    |                  ^ help: consider prefixing with an underscore: `_s`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `error`
[INFO] [stderr]   --> src/lib.rs:86:8
[INFO] [stderr]    |
[INFO] [stderr] 86 |             Err(error) => { Err("Out of bounds") }
[INFO] [stderr]    |                 ^^^^^ help: consider prefixing with an underscore: `_error`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/lib.rs:25:2
[INFO] [stderr]    |
[INFO] [stderr] 25 |     width: u8,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `height`
[INFO] [stderr]   --> src/lib.rs:26:2
[INFO] [stderr]    |
[INFO] [stderr] 26 |     height: u8,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.32s
[INFO] running `"docker" "inspect" "ea1dd189b7202fee71b7f9f32b62f28a392ff27318c80f19be14db6fc72de679"`
[INFO] running `"docker" "rm" "-f" "ea1dd189b7202fee71b7f9f32b62f28a392ff27318c80f19be14db6fc72de679"`
[INFO] [stdout] ea1dd189b7202fee71b7f9f32b62f28a392ff27318c80f19be14db6fc72de679