[INFO] updating cached repository JosefKuchar/neural-snake
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JosefKuchar/neural-snake
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JosefKuchar/neural-snake" "work/ex/beta-1.37-6/sources/1.36.0/gh/JosefKuchar/neural-snake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/JosefKuchar/neural-snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JosefKuchar/neural-snake" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JosefKuchar/neural-snake"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JosefKuchar/neural-snake'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 68d465b2e0ab25f6448ca195fdabebf7a721793b
[INFO] sha for GitHub repo JosefKuchar/neural-snake: 68d465b2e0ab25f6448ca195fdabebf7a721793b
[INFO] validating manifest of JosefKuchar/neural-snake 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 JosefKuchar/neural-snake 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 JosefKuchar/neural-snake
[INFO] finished frobbing JosefKuchar/neural-snake
[INFO] frobbed toml for JosefKuchar/neural-snake written to work/ex/beta-1.37-6/sources/1.36.0/gh/JosefKuchar/neural-snake/Cargo.toml
[INFO] started frobbing JosefKuchar/neural-snake
[INFO] finished frobbing JosefKuchar/neural-snake
[INFO] frobbed toml for JosefKuchar/neural-snake written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JosefKuchar/neural-snake/Cargo.toml
[INFO] crate JosefKuchar/neural-snake 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 JosefKuchar/neural-snake against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JosefKuchar/neural-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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 32e54128219fc407c1196bab4e10883926a547485a8b7aabb10777ada1b48e12
[INFO] running `"docker" "start" "-a" "32e54128219fc407c1196bab4e10883926a547485a8b7aabb10777ada1b48e12"`
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling png v0.11.0
[INFO] [stderr]    Compiling glutin v0.10.1
[INFO] [stderr]    Compiling gl v0.7.0
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling image v0.18.0
[INFO] [stderr]    Compiling piston-gfx_texture v0.31.0
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling gfx_device_gl v0.15.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.48.0
[INFO] [stderr]    Compiling piston2d-opengl_graphics v0.50.0
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.9.10
[INFO] [stderr]    Compiling wayland-client v0.9.10
[INFO] [stderr]    Compiling wayland-protocols v0.9.10
[INFO] [stderr]    Compiling wayland-kbd v0.9.1
[INFO] [stderr]    Compiling wayland-window v0.8.0
[INFO] [stderr]    Compiling winit v0.8.3
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.43.0
[INFO] [stderr]    Compiling piston_window v0.75.0
[INFO] [stderr]    Compiling neural_snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]    --> src/main.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let left = self.peek_at((self.direction + 3) % 4);
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_left`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/main.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let right = self.peek_at((self.direction + 1) % 4);
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sum`
[INFO] [stderr]    --> src/main.rs:372:27
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn pick_random(&self, sum: f32, rnd: f32) -> &Dna {
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normalize_weights`
[INFO] [stderr]    --> src/main.rs:383:5
[INFO] [stderr]     |
[INFO] [stderr] 383 |     fn normalize_weights(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigmoid`
[INFO] [stderr]    --> src/main.rs:555:1
[INFO] [stderr]     |
[INFO] [stderr] 555 | fn sigmoid(y: f32) -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rangeX` should have a snake case name
[INFO] [stderr]    --> src/main.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let rangeX = Range::new(0, max_x);
[INFO] [stderr]     |             ^^^^^^ help: convert the identifier to snake case: `range_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rangeY` should have a snake case name
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let rangeY = Range::new(0, max_y);
[INFO] [stderr]     |             ^^^^^^ help: convert the identifier to snake case: `range_y`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `"docker" "inspect" "32e54128219fc407c1196bab4e10883926a547485a8b7aabb10777ada1b48e12"`
[INFO] running `"docker" "rm" "-f" "32e54128219fc407c1196bab4e10883926a547485a8b7aabb10777ada1b48e12"`
[INFO] [stdout] 32e54128219fc407c1196bab4e10883926a547485a8b7aabb10777ada1b48e12
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JosefKuchar/neural-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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 75cc94d7e2da42af941e7f9aca9b70b4e458f3c6074e6d31afe15c55ed9c89d0
[INFO] running `"docker" "start" "-a" "75cc94d7e2da42af941e7f9aca9b70b4e458f3c6074e6d31afe15c55ed9c89d0"`
[INFO] [stderr]    Compiling neural_snake v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `left`
[INFO] [stderr]    --> src/main.rs:219:13
[INFO] [stderr]     |
[INFO] [stderr] 219 |         let left = self.peek_at((self.direction + 3) % 4);
[INFO] [stderr]     |             ^^^^ help: consider prefixing with an underscore: `_left`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `right`
[INFO] [stderr]    --> src/main.rs:220:13
[INFO] [stderr]     |
[INFO] [stderr] 220 |         let right = self.peek_at((self.direction + 1) % 4);
[INFO] [stderr]     |             ^^^^^ help: consider prefixing with an underscore: `_right`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `sum`
[INFO] [stderr]    --> src/main.rs:372:27
[INFO] [stderr]     |
[INFO] [stderr] 372 |     fn pick_random(&self, sum: f32, rnd: f32) -> &Dna {
[INFO] [stderr]     |                           ^^^ help: consider prefixing with an underscore: `_sum`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `normalize_weights`
[INFO] [stderr]    --> src/main.rs:383:5
[INFO] [stderr]     |
[INFO] [stderr] 383 |     fn normalize_weights(&mut self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `sigmoid`
[INFO] [stderr]    --> src/main.rs:555:1
[INFO] [stderr]     |
[INFO] [stderr] 555 | fn sigmoid(y: f32) -> f32 {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rangeX` should have a snake case name
[INFO] [stderr]    --> src/main.rs:110:13
[INFO] [stderr]     |
[INFO] [stderr] 110 |         let rangeX = Range::new(0, max_x);
[INFO] [stderr]     |             ^^^^^^ help: convert the identifier to snake case: `range_x`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `rangeY` should have a snake case name
[INFO] [stderr]    --> src/main.rs:111:13
[INFO] [stderr]     |
[INFO] [stderr] 111 |         let rangeY = Range::new(0, max_y);
[INFO] [stderr]     |             ^^^^^^ help: convert the identifier to snake case: `range_y`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.43s
[INFO] running `"docker" "inspect" "75cc94d7e2da42af941e7f9aca9b70b4e458f3c6074e6d31afe15c55ed9c89d0"`
[INFO] running `"docker" "rm" "-f" "75cc94d7e2da42af941e7f9aca9b70b4e458f3c6074e6d31afe15c55ed9c89d0"`
[INFO] [stdout] 75cc94d7e2da42af941e7f9aca9b70b4e458f3c6074e6d31afe15c55ed9c89d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-1/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JosefKuchar/neural-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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 9202a0b8f294d5f30881a07276ccdddd8a4ef52bc9f7851f99805c746b42b75d
[INFO] running `"docker" "start" "-a" "9202a0b8f294d5f30881a07276ccdddd8a4ef52bc9f7851f99805c746b42b75d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/neural_snake-c160a40e10ea13ff
[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" "9202a0b8f294d5f30881a07276ccdddd8a4ef52bc9f7851f99805c746b42b75d"`
[INFO] running `"docker" "rm" "-f" "9202a0b8f294d5f30881a07276ccdddd8a4ef52bc9f7851f99805c746b42b75d"`
[INFO] [stdout] 9202a0b8f294d5f30881a07276ccdddd8a4ef52bc9f7851f99805c746b42b75d