[INFO] cloning repository https://github.com/elnawe/snake.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/elnawe/snake.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felnawe%2Fsnake.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felnawe%2Fsnake.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4ae976b86bd2f670a136bbe510bafcc1a9ed51e6
[INFO] testing elnawe/snake.rs against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felnawe%2Fsnake.rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/elnawe/snake.rs on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elnawe/snake.rs
[INFO] finished tweaking git repo https://github.com/elnawe/snake.rs
[INFO] tweaked toml for git repo https://github.com/elnawe/snake.rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/elnawe/snake.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "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" "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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2eb47172135ae0afd0720140dee04572be8ab48eff7ee01a11b555f2f2da53b4
[INFO] running `Command { std: "docker" "start" "-a" "2eb47172135ae0afd0720140dee04572be8ab48eff7ee01a11b555f2f2da53b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2eb47172135ae0afd0720140dee04572be8ab48eff7ee01a11b555f2f2da53b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eb47172135ae0afd0720140dee04572be8ab48eff7ee01a11b555f2f2da53b4", kill_on_drop: false }`
[INFO] [stdout] 2eb47172135ae0afd0720140dee04572be8ab48eff7ee01a11b555f2f2da53b4
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9ef4f235f4bf49ad489d57d036f1d8c33085c0f7c7e6fe8b84b322bce7135487
[INFO] running `Command { std: "docker" "start" "-a" "9ef4f235f4bf49ad489d57d036f1d8c33085c0f7c7e6fe8b84b322bce7135487", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling snake-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `gameOver` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     gameOver: bool,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `game_over`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     io::stdin().read(&mut input);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.33s
[INFO] running `Command { std: "docker" "inspect" "9ef4f235f4bf49ad489d57d036f1d8c33085c0f7c7e6fe8b84b322bce7135487", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9ef4f235f4bf49ad489d57d036f1d8c33085c0f7c7e6fe8b84b322bce7135487", kill_on_drop: false }`
[INFO] [stdout] 9ef4f235f4bf49ad489d57d036f1d8c33085c0f7c7e6fe8b84b322bce7135487
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e42944a2ee15721f0d244aaa9aefba4760e87bfddb1c18fe600c46fe62dcb8b8
[INFO] running `Command { std: "docker" "start" "-a" "e42944a2ee15721f0d244aaa9aefba4760e87bfddb1c18fe600c46fe62dcb8b8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling snake-game v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: structure field `gameOver` should have a snake case name
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 |     gameOver: bool,
[INFO] [stdout]    |     ^^^^^^^^ help: convert the identifier to snake case: `game_over`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:63:5
[INFO] [stdout]    |
[INFO] [stdout] 63 |     io::stdin().read(&mut input);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.18s
[INFO] running `Command { std: "docker" "inspect" "e42944a2ee15721f0d244aaa9aefba4760e87bfddb1c18fe600c46fe62dcb8b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e42944a2ee15721f0d244aaa9aefba4760e87bfddb1c18fe600c46fe62dcb8b8", kill_on_drop: false }`
[INFO] [stdout] e42944a2ee15721f0d244aaa9aefba4760e87bfddb1c18fe600c46fe62dcb8b8
[INFO] running `Command { std: "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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 577597f6b9b2d499b303a9f4a5a9c765370f9b91cb26c58dd8bd604e8ade4308
[INFO] running `Command { std: "docker" "start" "-a" "577597f6b9b2d499b303a9f4a5a9c765370f9b91cb26c58dd8bd604e8ade4308", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: structure field `gameOver` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 14 |     gameOver: bool,
[INFO] [stdout] 
[INFO] [stderr]    |     ^^^^^^^^ help: convert the identifier to snake case: `game_over`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:63:5
[INFO] [stderr]    |
[INFO] [stderr] 63 |     io::stdin().read(&mut input);
[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: `snake-game` (bin "snake-game" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/snake_game-801177ecdc5674fe)
[INFO] running `Command { std: "docker" "inspect" "577597f6b9b2d499b303a9f4a5a9c765370f9b91cb26c58dd8bd604e8ade4308", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "577597f6b9b2d499b303a9f4a5a9c765370f9b91cb26c58dd8bd604e8ade4308", kill_on_drop: false }`
[INFO] [stdout] 577597f6b9b2d499b303a9f4a5a9c765370f9b91cb26c58dd8bd604e8ade4308