[INFO] updating cached repository CHAM0/Snake-Rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/CHAM0/Snake-Rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/CHAM0/Snake-Rust" "work/ex/beta-1.37-6/sources/1.36.0/gh/CHAM0/Snake-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/CHAM0/Snake-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/CHAM0/Snake-Rust" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CHAM0/Snake-Rust"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CHAM0/Snake-Rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 62836da1987ce895a2381a090bc4e00d45adbac0
[INFO] sha for GitHub repo CHAM0/Snake-Rust: 62836da1987ce895a2381a090bc4e00d45adbac0
[INFO] validating manifest of CHAM0/Snake-Rust on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of CHAM0/Snake-Rust on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing CHAM0/Snake-Rust
[INFO] finished frobbing CHAM0/Snake-Rust
[INFO] frobbed toml for CHAM0/Snake-Rust written to work/ex/beta-1.37-6/sources/1.36.0/gh/CHAM0/Snake-Rust/Cargo.toml
[INFO] started frobbing CHAM0/Snake-Rust
[INFO] finished frobbing CHAM0/Snake-Rust
[INFO] frobbed toml for CHAM0/Snake-Rust written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/CHAM0/Snake-Rust/Cargo.toml
[INFO] crate CHAM0/Snake-Rust already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing CHAM0/Snake-Rust against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/CHAM0/Snake-Rust:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 9f0388087698ffcd2d6fef83199958c627c949161f0591d011bff21e7236b330
[INFO] running `"docker" "start" "-a" "9f0388087698ffcd2d6fef83199958c627c949161f0591d011bff21e7236b330"`
[INFO] [stderr]    Compiling proc-macro2 v0.4.16
[INFO] [stderr]    Compiling serde v1.0.76
[INFO] [stderr]    Compiling sdl2-sys v0.31.0
[INFO] [stderr]    Compiling bzip2-sys v0.1.6
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling twox-hash v1.1.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling gfx_core v0.8.2
[INFO] [stderr]    Compiling generic-array v0.8.3
[INFO] [stderr]    Compiling euclid v0.17.3
[INFO] [stderr]    Compiling sid v0.5.2
[INFO] [stderr]    Compiling ordered-float v0.5.0
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling lewton v0.5.2
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling alga v0.5.4
[INFO] [stderr]    Compiling lyon_geom v0.10.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling png v0.12.0
[INFO] [stderr]    Compiling gfx_gl v0.5.0
[INFO] [stderr]    Compiling lyon_path v0.10.1
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling bzip2 v0.3.3
[INFO] [stderr]    Compiling sdl2 v0.31.0
[INFO] [stderr]    Compiling rodio v0.7.0
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling zip v0.3.3
[INFO] [stderr]    Compiling lyon_tessellation v0.10.2
[INFO] [stderr]    Compiling nalgebra v0.14.4
[INFO] [stderr]    Compiling lyon v0.10.2
[INFO] [stderr]    Compiling num-derive v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.76
[INFO] [stderr]    Compiling image v0.19.0
[INFO] [stderr]    Compiling toml v0.4.6
[INFO] [stderr]    Compiling gfx_device_gl v0.15.3
[INFO] [stderr]    Compiling gfx v0.17.1
[INFO] [stderr]    Compiling gfx_window_sdl v0.8.0
[INFO] [stderr]    Compiling gfx_glyph v0.10.2
[INFO] [stderr] warning[E0502]: cannot borrow `*self` as immutable because it is also borrowed as mutable
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/nalgebra-0.14.4/src/core/cg.rs:292:44
[INFO] [stderr]     |
[INFO] [stderr] 292 |                 self[(j, i)] += shift[j] * self[(D::dim() - 1, i)];
[INFO] [stderr]     |                 ---------------------------^^^^-------------------
[INFO] [stderr]     |                 |                          |
[INFO] [stderr]     |                 |                          immutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow occurs here
[INFO] [stderr]     |                 mutable borrow later used here
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr] 
[INFO] [stderr]    Compiling ggez v0.4.4
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `DrawMode`
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ggez::graphics::{DrawMode, Point2, MeshBuilder, Mesh};
[INFO] [stderr]   |                      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         graphics::set_color(ctx, [0.0, 0.0, 1.0, 1.0].into());
[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 2m 51s
[INFO] running `"docker" "inspect" "9f0388087698ffcd2d6fef83199958c627c949161f0591d011bff21e7236b330"`
[INFO] running `"docker" "rm" "-f" "9f0388087698ffcd2d6fef83199958c627c949161f0591d011bff21e7236b330"`
[INFO] [stdout] 9f0388087698ffcd2d6fef83199958c627c949161f0591d011bff21e7236b330
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/CHAM0/Snake-Rust:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 36febfbde57fa576243d8fbe1561de0636d4787d10ca02fca4cd980663014da4
[INFO] running `"docker" "start" "-a" "36febfbde57fa576243d8fbe1561de0636d4787d10ca02fca4cd980663014da4"`
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `DrawMode`
[INFO] [stderr]  --> src/main.rs:5:22
[INFO] [stderr]   |
[INFO] [stderr] 5 | use ggez::graphics::{DrawMode, Point2, MeshBuilder, Mesh};
[INFO] [stderr]   |                      ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:46:9
[INFO] [stderr]    |
[INFO] [stderr] 46 |         graphics::set_color(ctx, [0.0, 0.0, 1.0, 1.0].into());
[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 1.45s
[INFO] running `"docker" "inspect" "36febfbde57fa576243d8fbe1561de0636d4787d10ca02fca4cd980663014da4"`
[INFO] running `"docker" "rm" "-f" "36febfbde57fa576243d8fbe1561de0636d4787d10ca02fca4cd980663014da4"`
[INFO] [stdout] 36febfbde57fa576243d8fbe1561de0636d4787d10ca02fca4cd980663014da4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/CHAM0/Snake-Rust:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] dac0f548b75d6a82b61655b4576c470af72e46995b19dc022534bf716409570f
[INFO] running `"docker" "start" "-a" "dac0f548b75d6a82b61655b4576c470af72e46995b19dc022534bf716409570f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/snake-7bb87a7f7f49f1e6
[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" "dac0f548b75d6a82b61655b4576c470af72e46995b19dc022534bf716409570f"`
[INFO] running `"docker" "rm" "-f" "dac0f548b75d6a82b61655b4576c470af72e46995b19dc022534bf716409570f"`
[INFO] [stdout] dac0f548b75d6a82b61655b4576c470af72e46995b19dc022534bf716409570f