[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/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/JosefKuchar/neural-snake"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/JosefKuchar/neural-snake'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JosefKuchar/neural-snake" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/JosefKuchar/neural-snake"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/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 master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of JosefKuchar/neural-snake on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "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/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/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/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/JosefKuchar/neural-snake/Cargo.toml
[INFO] crate JosefKuchar/neural-snake already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking JosefKuchar/neural-snake against try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-1/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/JosefKuchar/neural-snake:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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=forbid" "-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" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] d393e91dddc266cfa5747d221955800a1b49aa05ee9ef426447449460910f40b
[INFO] running `"docker" "start" "-a" "d393e91dddc266cfa5747d221955800a1b49aa05ee9ef426447449460910f40b"`
[INFO] [stderr]    Compiling num-traits v0.2.0
[INFO] [stderr]    Compiling gl_generator v0.7.0
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]     Checking tempfile v2.2.0
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]     Checking piston-gfx_texture v0.31.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]     Checking piston2d-gfx_graphics v0.48.0
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling gl v0.7.0
[INFO] [stderr]    Compiling gfx_gl v0.4.0
[INFO] [stderr]    Compiling glutin v0.10.1
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]     Checking gfx_device_gl v0.15.0
[INFO] [stderr]     Checking dlib v0.3.1
[INFO] [stderr]     Checking wayland-sys v0.9.10
[INFO] [stderr]     Checking piston2d-opengl_graphics v0.50.0
[INFO] [stderr]     Checking wayland-client v0.9.10
[INFO] [stderr]     Checking wayland-protocols v0.9.10
[INFO] [stderr]     Checking wayland-kbd v0.9.1
[INFO] [stderr]     Checking wayland-window v0.8.0
[INFO] [stderr]     Checking winit v0.8.3
[INFO] [stderr]     Checking pistoncore-glutin_window v0.43.0
[INFO] [stderr]     Checking piston_window v0.75.0
[INFO] [stderr]     Checking 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: 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] 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 35.68s
[INFO] running `"docker" "inspect" "d393e91dddc266cfa5747d221955800a1b49aa05ee9ef426447449460910f40b"`
[INFO] running `"docker" "rm" "-f" "d393e91dddc266cfa5747d221955800a1b49aa05ee9ef426447449460910f40b"`
[INFO] [stdout] d393e91dddc266cfa5747d221955800a1b49aa05ee9ef426447449460910f40b