[INFO] updating cached repository https://github.com/notryanb/rust_snake
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e587778a994fc846f9b6c94269d95ac0795e5fd7
[INFO] testing notryanb/rust_snake against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnotryanb%2Frust_snake" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/notryanb/rust_snake on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/notryanb/rust_snake
[INFO] finished tweaking git repo https://github.com/notryanb/rust_snake
[INFO] tweaked toml for git repo https://github.com/notryanb/rust_snake written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/notryanb/rust_snake already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 03948a7f8bce6c7506beabf2ac8688df403dc2f551023a08c16cc678a51bb920
[INFO] running `"docker" "start" "-a" "03948a7f8bce6c7506beabf2ac8688df403dc2f551023a08c16cc678a51bb920"`
[INFO] [stderr]    Compiling termion v1.5.1
[INFO] [stderr]    Compiling rust_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `style`
[INFO] [stderr]  --> src/board.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use termion::{color, style};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `color`, `style`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use termion::{color,style};
[INFO] [stderr]   |               ^^^^^ ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `width`
[INFO] [stderr]   --> src/board.rs:21:5
[INFO] [stderr]    |
[INFO] [stderr] 21 |     width: i32,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/board.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 | /             match cell.x % self.height {
[INFO] [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
[INFO] [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
[INFO] [stderr] 62 | |             };
[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 2.01s
[INFO] running `"docker" "inspect" "03948a7f8bce6c7506beabf2ac8688df403dc2f551023a08c16cc678a51bb920"`
[INFO] running `"docker" "rm" "-f" "03948a7f8bce6c7506beabf2ac8688df403dc2f551023a08c16cc678a51bb920"`
[INFO] [stdout] 03948a7f8bce6c7506beabf2ac8688df403dc2f551023a08c16cc678a51bb920
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen" "--no-run"`
[INFO] [stdout] 29c4ba2d99272575e845f042e7ec92ab17fc862f98d42653148d5ce4ae66ff84
[INFO] running `"docker" "start" "-a" "29c4ba2d99272575e845f042e7ec92ab17fc862f98d42653148d5ce4ae66ff84"`
[INFO] [stderr]    Compiling rust_snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `style`
[INFO] [stderr]  --> src/board.rs:3:22
[INFO] [stderr]   |
[INFO] [stderr] 3 | use termion::{color, style};
[INFO] [stderr]   |                      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `color`, `style`
[INFO] [stderr]  --> src/main.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 | use termion::{color,style};
[INFO] [stderr]   |               ^^^^^ ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `grid`
[INFO] [stderr]   --> src/board.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let grid: Vec<Cell> = Vec::with_capacity((width * height) as usize);
[INFO] [stderr]    |             ^^^^ help: consider prefixing with an underscore: `_grid`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/board.rs:59:13
[INFO] [stderr]    |
[INFO] [stderr] 59 | /             match cell.x % self.height {
[INFO] [stderr] 60 | |                 0 => write!(f, "{}\n", color::Fg(color::Green)),
[INFO] [stderr] 61 | |                 _ => write!(f, "{}", color::Fg(color::Blue))
[INFO] [stderr] 62 | |             };
[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 1.26s
[INFO] running `"docker" "inspect" "29c4ba2d99272575e845f042e7ec92ab17fc862f98d42653148d5ce4ae66ff84"`
[INFO] running `"docker" "rm" "-f" "29c4ba2d99272575e845f042e7ec92ab17fc862f98d42653148d5ce4ae66ff84"`
[INFO] [stdout] 29c4ba2d99272575e845f042e7ec92ab17fc862f98d42653148d5ce4ae66ff84
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "test" "--frozen"`
[INFO] [stdout] ce7749141b321d8b56cc9536da3a94780ddf054b10f2607a063aa4b00550c979
[INFO] running `"docker" "start" "-a" "ce7749141b321d8b56cc9536da3a94780ddf054b10f2607a063aa4b00550c979"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_snake-fcf86c300ccceff0
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test board::tests::new_board ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ce7749141b321d8b56cc9536da3a94780ddf054b10f2607a063aa4b00550c979"`
[INFO] running `"docker" "rm" "-f" "ce7749141b321d8b56cc9536da3a94780ddf054b10f2607a063aa4b00550c979"`
[INFO] [stdout] ce7749141b321d8b56cc9536da3a94780ddf054b10f2607a063aa4b00550c979