[INFO] updating cached repository elnawe/snake.rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/elnawe/snake.rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/elnawe/snake.rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/elnawe/snake.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/elnawe/snake.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/elnawe/snake.rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elnawe/snake.rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elnawe/snake.rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4ae976b86bd2f670a136bbe510bafcc1a9ed51e6
[INFO] sha for GitHub repo elnawe/snake.rs: 4ae976b86bd2f670a136bbe510bafcc1a9ed51e6
[INFO] validating manifest of elnawe/snake.rs on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of elnawe/snake.rs on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing elnawe/snake.rs
[INFO] finished frobbing elnawe/snake.rs
[INFO] frobbed toml for elnawe/snake.rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/elnawe/snake.rs/Cargo.toml
[INFO] started frobbing elnawe/snake.rs
[INFO] finished frobbing elnawe/snake.rs
[INFO] frobbed toml for elnawe/snake.rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elnawe/snake.rs/Cargo.toml
[INFO] crate elnawe/snake.rs already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing elnawe/snake.rs against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elnawe/snake.rs:/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=warn" "-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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 151fbf566690a1cbb6d95e8c03bd6da311e9328752ebad0a2f546fb34877cb7a
[INFO] running `"docker" "start" "-a" "151fbf566690a1cbb6d95e8c03bd6da311e9328752ebad0a2f546fb34877cb7a"`
[INFO] [stderr]    Compiling libc v0.2.34
[INFO] [stderr]    Compiling rand v0.4.1
[INFO] [stderr]    Compiling snake-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: structure field `gameOver` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     gameOver: bool,
[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 `std::result::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]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `"docker" "inspect" "151fbf566690a1cbb6d95e8c03bd6da311e9328752ebad0a2f546fb34877cb7a"`
[INFO] running `"docker" "rm" "-f" "151fbf566690a1cbb6d95e8c03bd6da311e9328752ebad0a2f546fb34877cb7a"`
[INFO] [stdout] 151fbf566690a1cbb6d95e8c03bd6da311e9328752ebad0a2f546fb34877cb7a
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elnawe/snake.rs:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] ad581ce152baad6ea7af011293686aef5d39ea9a4c30e3461ee85c09984fa5c1
[INFO] running `"docker" "start" "-a" "ad581ce152baad6ea7af011293686aef5d39ea9a4c30e3461ee85c09984fa5c1"`
[INFO] [stderr]    Compiling snake-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: structure field `gameOver` should have a snake case name
[INFO] [stderr]   --> src/main.rs:14:5
[INFO] [stderr]    |
[INFO] [stderr] 14 |     gameOver: bool,
[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 `std::result::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]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "ad581ce152baad6ea7af011293686aef5d39ea9a4c30e3461ee85c09984fa5c1"`
[INFO] running `"docker" "rm" "-f" "ad581ce152baad6ea7af011293686aef5d39ea9a4c30e3461ee85c09984fa5c1"`
[INFO] [stdout] ad581ce152baad6ea7af011293686aef5d39ea9a4c30e3461ee85c09984fa5c1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/elnawe/snake.rs:/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=warn" "-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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 08d76a558e6da718586760f17743880f926ac0d2b2a8ad94dcb5c3fe6f109342
[INFO] running `"docker" "start" "-a" "08d76a558e6da718586760f17743880f926ac0d2b2a8ad94dcb5c3fe6f109342"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake_game-ddd85fe0fad2245a
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "08d76a558e6da718586760f17743880f926ac0d2b2a8ad94dcb5c3fe6f109342"`
[INFO] running `"docker" "rm" "-f" "08d76a558e6da718586760f17743880f926ac0d2b2a8ad94dcb5c3fe6f109342"`
[INFO] [stdout] 08d76a558e6da718586760f17743880f926ac0d2b2a8ad94dcb5c3fe6f109342