Dec 18 07:03:12.653 INFO checking JosefKuchar/neural-snake against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 07:03:12.653 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/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=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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:03:13.061 INFO [stdout] eba388b1bb28b3dfcf5c45fbc362f1778d81720aa05b5f0a9d560c5e08ef4aa5
Dec 18 07:03:13.067 INFO running `"docker" "start" "-a" "eba388b1bb28b3dfcf5c45fbc362f1778d81720aa05b5f0a9d560c5e08ef4aa5"`
Dec 18 07:03:15.068 INFO [stderr]     Checking num-integer v0.1.36
Dec 18 07:03:15.084 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 18 07:03:15.084 INFO [stderr]     Checking rayon-core v1.3.0
Dec 18 07:03:15.088 INFO [stderr]     Checking gfx_device_gl v0.15.0
Dec 18 07:03:16.389 INFO [stderr]     Checking num-iter v0.1.35
Dec 18 07:03:16.390 INFO [stderr]     Checking num-rational v0.1.42
Dec 18 07:03:16.458 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 18 07:03:17.052 INFO [stderr]     Checking png v0.11.0
Dec 18 07:03:17.398 INFO [stderr]     Checking rayon v0.8.2
Dec 18 07:03:18.000 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 18 07:03:22.888 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 18 07:03:24.945 INFO [stderr]     Checking image v0.18.0
Dec 18 07:03:29.812 INFO [stderr]     Checking piston-gfx_texture v0.31.0
Dec 18 07:03:29.812 INFO [stderr]     Checking piston2d-opengl_graphics v0.50.0
Dec 18 07:03:32.225 INFO [stderr]     Checking piston2d-gfx_graphics v0.48.0
Dec 18 07:03:33.427 INFO [stderr]    Compiling libloading v0.3.4
Dec 18 07:03:35.736 INFO [stderr]     Checking dlib v0.3.1
Dec 18 07:03:36.039 INFO [stderr]     Checking wayland-sys v0.9.10
Dec 18 07:03:36.480 INFO [stderr]     Checking wayland-client v0.9.10
Dec 18 07:03:37.933 INFO [stderr]     Checking wayland-protocols v0.9.10
Dec 18 07:03:37.933 INFO [stderr]     Checking wayland-kbd v0.9.1
Dec 18 07:03:39.748 INFO [stderr]     Checking wayland-window v0.8.0
Dec 18 07:03:40.180 INFO [stderr]     Checking winit v0.8.3
Dec 18 07:03:41.891 INFO [stderr]     Checking glutin v0.10.1
Dec 18 07:03:43.408 INFO [stderr]     Checking pistoncore-glutin_window v0.43.0
Dec 18 07:03:45.823 INFO [stderr]     Checking piston_window v0.75.0
Dec 18 07:03:47.520 INFO [stderr]     Checking neural_snake v0.1.0 (/opt/crater/workdir)
Dec 18 07:03:50.209 INFO [stderr] warning: unused variable: `left`
Dec 18 07:03:50.209 INFO [stderr]    --> src/main.rs:219:13
Dec 18 07:03:50.210 INFO [stderr]     |
Dec 18 07:03:50.210 INFO [stderr] 219 |         let left = self.peek_at((self.direction + 3) % 4);
Dec 18 07:03:50.210 INFO [stderr]     |             ^^^^ help: consider using `_left` instead
Dec 18 07:03:50.210 INFO [stderr]     |
Dec 18 07:03:50.210 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 07:03:50.210 INFO [stderr] 
Dec 18 07:03:50.210 INFO [stderr] warning: unused variable: `right`
Dec 18 07:03:50.210 INFO [stderr]    --> src/main.rs:220:13
Dec 18 07:03:50.210 INFO [stderr]     |
Dec 18 07:03:50.210 INFO [stderr] 220 |         let right = self.peek_at((self.direction + 1) % 4);
Dec 18 07:03:50.210 INFO [stderr]     |             ^^^^^ help: consider using `_right` instead
Dec 18 07:03:50.210 INFO [stderr] 
Dec 18 07:03:50.210 INFO [stderr] warning: unused variable: `sum`
Dec 18 07:03:50.210 INFO [stderr]    --> src/main.rs:372:27
Dec 18 07:03:50.210 INFO [stderr]     |
Dec 18 07:03:50.210 INFO [stderr] 372 |     fn pick_random(&self, sum: f32, rnd: f32) -> &Dna {
Dec 18 07:03:50.210 INFO [stderr]     |                           ^^^ help: consider using `_sum` instead
Dec 18 07:03:50.210 INFO [stderr] 
Dec 18 07:03:50.252 INFO [stderr] warning: method is never used: `normalize_weights`
Dec 18 07:03:50.252 INFO [stderr]    --> src/main.rs:383:5
Dec 18 07:03:50.252 INFO [stderr]     |
Dec 18 07:03:50.252 INFO [stderr] 383 |     fn normalize_weights(&mut self) {
Dec 18 07:03:50.252 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:50.252 INFO [stderr]     |
Dec 18 07:03:50.252 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:03:50.252 INFO [stderr] 
Dec 18 07:03:50.252 INFO [stderr] warning: function is never used: `sigmoid`
Dec 18 07:03:50.252 INFO [stderr]    --> src/main.rs:555:1
Dec 18 07:03:50.252 INFO [stderr]     |
Dec 18 07:03:50.252 INFO [stderr] 555 | fn sigmoid(y: f32) -> f32 {
Dec 18 07:03:50.252 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:50.252 INFO [stderr] 
Dec 18 07:03:50.252 INFO [stderr] warning: variable `rangeX` should have a snake case name such as `range_x`
Dec 18 07:03:50.252 INFO [stderr]    --> src/main.rs:110:13
Dec 18 07:03:50.252 INFO [stderr]     |
Dec 18 07:03:50.252 INFO [stderr] 110 |         let rangeX = Range::new(0, max_x);
Dec 18 07:03:50.252 INFO [stderr]     |             ^^^^^^
Dec 18 07:03:50.252 INFO [stderr]     |
Dec 18 07:03:50.252 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 07:03:50.252 INFO [stderr] 
Dec 18 07:03:50.252 INFO [stderr] warning: variable `rangeY` should have a snake case name such as `range_y`
Dec 18 07:03:50.252 INFO [stderr]    --> src/main.rs:111:13
Dec 18 07:03:50.252 INFO [stderr]     |
Dec 18 07:03:50.252 INFO [stderr] 111 |         let rangeY = Range::new(0, max_y);
Dec 18 07:03:50.252 INFO [stderr]     |             ^^^^^^
Dec 18 07:03:50.253 INFO [stderr] 
Dec 18 07:03:50.411 INFO [stderr] warning: unused variable: `left`
Dec 18 07:03:50.411 INFO [stderr]    --> src/main.rs:219:13
Dec 18 07:03:50.411 INFO [stderr]     |
Dec 18 07:03:50.411 INFO [stderr] 219 |         let left = self.peek_at((self.direction + 3) % 4);
Dec 18 07:03:50.411 INFO [stderr]     |             ^^^^ help: consider using `_left` instead
Dec 18 07:03:50.411 INFO [stderr]     |
Dec 18 07:03:50.411 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 18 07:03:50.411 INFO [stderr] 
Dec 18 07:03:50.411 INFO [stderr] warning: unused variable: `right`
Dec 18 07:03:50.411 INFO [stderr]    --> src/main.rs:220:13
Dec 18 07:03:50.411 INFO [stderr]     |
Dec 18 07:03:50.411 INFO [stderr] 220 |         let right = self.peek_at((self.direction + 1) % 4);
Dec 18 07:03:50.411 INFO [stderr]     |             ^^^^^ help: consider using `_right` instead
Dec 18 07:03:50.411 INFO [stderr] 
Dec 18 07:03:50.411 INFO [stderr] warning: unused variable: `sum`
Dec 18 07:03:50.411 INFO [stderr]    --> src/main.rs:372:27
Dec 18 07:03:50.411 INFO [stderr]     |
Dec 18 07:03:50.411 INFO [stderr] 372 |     fn pick_random(&self, sum: f32, rnd: f32) -> &Dna {
Dec 18 07:03:50.411 INFO [stderr]     |                           ^^^ help: consider using `_sum` instead
Dec 18 07:03:50.411 INFO [stderr] 
Dec 18 07:03:50.453 INFO [stderr] warning: method is never used: `normalize_weights`
Dec 18 07:03:50.453 INFO [stderr]    --> src/main.rs:383:5
Dec 18 07:03:50.453 INFO [stderr]     |
Dec 18 07:03:50.453 INFO [stderr] 383 |     fn normalize_weights(&mut self) {
Dec 18 07:03:50.453 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:50.453 INFO [stderr]     |
Dec 18 07:03:50.453 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 07:03:50.453 INFO [stderr] 
Dec 18 07:03:50.453 INFO [stderr] warning: function is never used: `sigmoid`
Dec 18 07:03:50.453 INFO [stderr]    --> src/main.rs:555:1
Dec 18 07:03:50.453 INFO [stderr]     |
Dec 18 07:03:50.453 INFO [stderr] 555 | fn sigmoid(y: f32) -> f32 {
Dec 18 07:03:50.453 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:03:50.453 INFO [stderr] 
Dec 18 07:03:50.454 INFO [stderr] warning: variable `rangeX` should have a snake case name such as `range_x`
Dec 18 07:03:50.454 INFO [stderr]    --> src/main.rs:110:13
Dec 18 07:03:50.454 INFO [stderr]     |
Dec 18 07:03:50.454 INFO [stderr] 110 |         let rangeX = Range::new(0, max_x);
Dec 18 07:03:50.454 INFO [stderr]     |             ^^^^^^
Dec 18 07:03:50.454 INFO [stderr]     |
Dec 18 07:03:50.454 INFO [stderr]     = note: #[warn(non_snake_case)] on by default
Dec 18 07:03:50.454 INFO [stderr] 
Dec 18 07:03:50.454 INFO [stderr] warning: variable `rangeY` should have a snake case name such as `range_y`
Dec 18 07:03:50.454 INFO [stderr]    --> src/main.rs:111:13
Dec 18 07:03:50.454 INFO [stderr]     |
Dec 18 07:03:50.454 INFO [stderr] 111 |         let rangeY = Range::new(0, max_y);
Dec 18 07:03:50.454 INFO [stderr]     |             ^^^^^^
Dec 18 07:03:50.454 INFO [stderr] 
Dec 18 07:03:50.509 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.88s
Dec 18 07:03:51.226 INFO running `"docker" "inspect" "eba388b1bb28b3dfcf5c45fbc362f1778d81720aa05b5f0a9d560c5e08ef4aa5"`
Dec 18 07:03:51.602 INFO running `"docker" "rm" "-f" "eba388b1bb28b3dfcf5c45fbc362f1778d81720aa05b5f0a9d560c5e08ef4aa5"`
Dec 18 07:03:51.931 INFO [stdout] eba388b1bb28b3dfcf5c45fbc362f1778d81720aa05b5f0a9d560c5e08ef4aa5