[INFO] updating cached repository CarlCochet/Rust_Snake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CarlCochet/Rust_Snake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CarlCochet/Rust_Snake" "work/ex/beta-1.38-1/sources/1.37.0/gh/CarlCochet/Rust_Snake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/CarlCochet/Rust_Snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CarlCochet/Rust_Snake" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CarlCochet/Rust_Snake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CarlCochet/Rust_Snake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 33ce320bb3a79f4cd08ebe1a035c2382883171fd
[INFO] sha for GitHub repo CarlCochet/Rust_Snake: 33ce320bb3a79f4cd08ebe1a035c2382883171fd
[INFO] validating manifest of CarlCochet/Rust_Snake 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 CarlCochet/Rust_Snake 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 CarlCochet/Rust_Snake
[INFO] finished frobbing CarlCochet/Rust_Snake
[INFO] frobbed toml for CarlCochet/Rust_Snake written to work/ex/beta-1.38-1/sources/1.37.0/gh/CarlCochet/Rust_Snake/Cargo.toml
[INFO] started frobbing CarlCochet/Rust_Snake
[INFO] finished frobbing CarlCochet/Rust_Snake
[INFO] frobbed toml for CarlCochet/Rust_Snake written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/CarlCochet/Rust_Snake/Cargo.toml
[INFO] crate CarlCochet/Rust_Snake 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 CarlCochet/Rust_Snake 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/CarlCochet/Rust_Snake:/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] 2eb00f4a9e48011805b3b8b849e35712a7ce005e70fea789397dbda3293b0004
[INFO] running `"docker" "start" "-a" "2eb00f4a9e48011805b3b8b849e35712a7ce005e70fea789397dbda3293b0004"`
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling nix v0.13.0
[INFO] [stderr]    Compiling memmap v0.7.0
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling rusttype v0.7.6
[INFO] [stderr]    Compiling png v0.14.1
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin v0.19.0
[INFO] [stderr]    Compiling andrew v0.2.1
[INFO] [stderr]    Compiling piston2d-graphics v0.30.0
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling tiff v0.2.2
[INFO] [stderr]    Compiling wayland-sys v0.21.12
[INFO] [stderr]    Compiling wayland-commons v0.21.12
[INFO] [stderr]    Compiling image v0.21.1
[INFO] [stderr]    Compiling pistoncore-input v0.24.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.59.0
[INFO] [stderr]    Compiling pistoncore-window v0.37.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.42.0
[INFO] [stderr]    Compiling piston v0.42.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.4.5
[INFO] [stderr]    Compiling winit v0.18.1
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.54.0
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 37 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/main.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 116 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/main.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 185 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |         if let Some(u) = e.update_args() {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_u`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `lastKey` should have a snake case name
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     lastKey: Key,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to snake case: `last_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WHITE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let WHITE: [f32; 4] = [1.0, 1.0, 1.0, 1.0];
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `white`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `BLACK` should have a snake case name
[INFO] [stderr]    --> src/main.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let BLACK: [f32; 4] = [0.0, 0.0, 0.0, 1.0];
[INFO] [stderr]     |             ^^^^^ help: convert the identifier to snake case: `black`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 24s
[INFO] running `"docker" "inspect" "2eb00f4a9e48011805b3b8b849e35712a7ce005e70fea789397dbda3293b0004"`
[INFO] running `"docker" "rm" "-f" "2eb00f4a9e48011805b3b8b849e35712a7ce005e70fea789397dbda3293b0004"`
[INFO] [stdout] 2eb00f4a9e48011805b3b8b849e35712a7ce005e70fea789397dbda3293b0004
[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/CarlCochet/Rust_Snake:/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] 5525a2d04143b75755f708d6ab7606bcdcf07380b4aeb85145c5b09294a61111
[INFO] running `"docker" "start" "-a" "5525a2d04143b75755f708d6ab7606bcdcf07380b4aeb85145c5b09294a61111"`
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]   --> src/main.rs:37:13
[INFO] [stderr]    |
[INFO] [stderr] 2  | extern crate graphics;
[INFO] [stderr]    | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 37 |         use graphics;
[INFO] [stderr]    |             ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/main.rs:116:13
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 116 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: the item `graphics` is imported redundantly
[INFO] [stderr]    --> src/main.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 2   | extern crate graphics;
[INFO] [stderr]     | ---------------------- the item `graphics` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 185 |         use graphics;
[INFO] [stderr]     |             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `u`
[INFO] [stderr]    --> src/main.rs:234:21
[INFO] [stderr]     |
[INFO] [stderr] 234 |         if let Some(u) = e.update_args() {
[INFO] [stderr]     |                     ^ help: consider prefixing with an underscore: `_u`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `lastKey` should have a snake case name
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 |     lastKey: Key,
[INFO] [stderr]    |     ^^^^^^^ help: convert the identifier to snake case: `last_key`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `WHITE` should have a snake case name
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let WHITE: [f32; 4] = [1.0, 1.0, 1.0, 1.0];
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `white`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `BLACK` should have a snake case name
[INFO] [stderr]    --> src/main.rs:118:13
[INFO] [stderr]     |
[INFO] [stderr] 118 |         let BLACK: [f32; 4] = [0.0, 0.0, 0.0, 1.0];
[INFO] [stderr]     |             ^^^^^ help: convert the identifier to snake case: `black`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.51s
[INFO] running `"docker" "inspect" "5525a2d04143b75755f708d6ab7606bcdcf07380b4aeb85145c5b09294a61111"`
[INFO] running `"docker" "rm" "-f" "5525a2d04143b75755f708d6ab7606bcdcf07380b4aeb85145c5b09294a61111"`
[INFO] [stdout] 5525a2d04143b75755f708d6ab7606bcdcf07380b4aeb85145c5b09294a61111
[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/CarlCochet/Rust_Snake:/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] 2c14e348fc2480bbeb95ca11e6d74372c2b9610532be2158b1431f363100c34d
[INFO] running `"docker" "start" "-a" "2c14e348fc2480bbeb95ca11e6d74372c2b9610532be2158b1431f363100c34d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake-b3fe034b05cb6bb2
[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" "2c14e348fc2480bbeb95ca11e6d74372c2b9610532be2158b1431f363100c34d"`
[INFO] running `"docker" "rm" "-f" "2c14e348fc2480bbeb95ca11e6d74372c2b9610532be2158b1431f363100c34d"`
[INFO] [stdout] 2c14e348fc2480bbeb95ca11e6d74372c2b9610532be2158b1431f363100c34d