[INFO] updating cached repository KarlaJu/rust_snake_game
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KarlaJu/rust_snake_game
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KarlaJu/rust_snake_game" "work/ex/beta-1.38-1/sources/1.37.0/gh/KarlaJu/rust_snake_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/KarlaJu/rust_snake_game'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KarlaJu/rust_snake_game" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KarlaJu/rust_snake_game"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KarlaJu/rust_snake_game'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8ac9171991c20155eeed93ffcd0990faeb758c6b
[INFO] sha for GitHub repo KarlaJu/rust_snake_game: 8ac9171991c20155eeed93ffcd0990faeb758c6b
[INFO] validating manifest of KarlaJu/rust_snake_game 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 KarlaJu/rust_snake_game 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 KarlaJu/rust_snake_game
[INFO] finished frobbing KarlaJu/rust_snake_game
[INFO] frobbed toml for KarlaJu/rust_snake_game written to work/ex/beta-1.38-1/sources/1.37.0/gh/KarlaJu/rust_snake_game/Cargo.toml
[INFO] started frobbing KarlaJu/rust_snake_game
[INFO] finished frobbing KarlaJu/rust_snake_game
[INFO] frobbed toml for KarlaJu/rust_snake_game written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/KarlaJu/rust_snake_game/Cargo.toml
[INFO] crate KarlaJu/rust_snake_game 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 KarlaJu/rust_snake_game against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KarlaJu/rust_snake_game:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] f0c1a724cc2d4276cdc1c3f4ca0cb34145f96b17c6ecac1704716f6efbab6870
[INFO] running `"docker" "start" "-a" "f0c1a724cc2d4276cdc1c3f4ca0cb34145f96b17c6ecac1704716f6efbab6870"`
[INFO] [stderr]    Compiling syn v0.15.33
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling pistoncore-window v0.37.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.59.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.42.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.54.0
[INFO] [stderr]    Compiling piston v0.42.0
[INFO] [stderr]    Compiling snake-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `piston::window::WindowSettings`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use piston::window::WindowSettings;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::input::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piston::input::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin_window::GlutinWindow as Window`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use glutin_window::GlutinWindow as Window;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GlGraphics`
[INFO] [stderr]   --> src/main.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use opengl_graphics::{ GlGraphics, OpenGL };
[INFO] [stderr]    |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opengl`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let opengl = OpenGL::V3_2;
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_opengl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 54.92s
[INFO] running `"docker" "inspect" "f0c1a724cc2d4276cdc1c3f4ca0cb34145f96b17c6ecac1704716f6efbab6870"`
[INFO] running `"docker" "rm" "-f" "f0c1a724cc2d4276cdc1c3f4ca0cb34145f96b17c6ecac1704716f6efbab6870"`
[INFO] [stdout] f0c1a724cc2d4276cdc1c3f4ca0cb34145f96b17c6ecac1704716f6efbab6870
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KarlaJu/rust_snake_game:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9bfe01f559a978596d1e4d7cec5e128622d856769ceb900902d0108d31c3251b
[INFO] running `"docker" "start" "-a" "9bfe01f559a978596d1e4d7cec5e128622d856769ceb900902d0108d31c3251b"`
[INFO] [stderr]    Compiling snake-game v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `piston::window::WindowSettings`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use piston::window::WindowSettings;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::event_loop::*`
[INFO] [stderr]  --> src/main.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use piston::event_loop::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `piston::input::*`
[INFO] [stderr]  --> src/main.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use piston::input::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `glutin_window::GlutinWindow as Window`
[INFO] [stderr]  --> src/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use glutin_window::GlutinWindow as Window;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `GlGraphics`
[INFO] [stderr]   --> src/main.rs:10:24
[INFO] [stderr]    |
[INFO] [stderr] 10 | use opengl_graphics::{ GlGraphics, OpenGL };
[INFO] [stderr]    |                        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `opengl`
[INFO] [stderr]   --> src/main.rs:13:9
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let opengl = OpenGL::V3_2;
[INFO] [stderr]    |         ^^^^^^ help: consider prefixing with an underscore: `_opengl`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.17s
[INFO] running `"docker" "inspect" "9bfe01f559a978596d1e4d7cec5e128622d856769ceb900902d0108d31c3251b"`
[INFO] running `"docker" "rm" "-f" "9bfe01f559a978596d1e4d7cec5e128622d856769ceb900902d0108d31c3251b"`
[INFO] [stdout] 9bfe01f559a978596d1e4d7cec5e128622d856769ceb900902d0108d31c3251b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/KarlaJu/rust_snake_game:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] 4ecc054cff594eed3f7f31f2e503e7baf2a034cf0b32499c6ad5624ee6481bee
[INFO] running `"docker" "start" "-a" "4ecc054cff594eed3f7f31f2e503e7baf2a034cf0b32499c6ad5624ee6481bee"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake_game-4cae00a5f391983e
[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" "4ecc054cff594eed3f7f31f2e503e7baf2a034cf0b32499c6ad5624ee6481bee"`
[INFO] running `"docker" "rm" "-f" "4ecc054cff594eed3f7f31f2e503e7baf2a034cf0b32499c6ad5624ee6481bee"`
[INFO] [stdout] 4ecc054cff594eed3f7f31f2e503e7baf2a034cf0b32499c6ad5624ee6481bee