Dec 04 19:29:50.442 INFO checking dyens/arena against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 19:29:50.442 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 19:29:50.807 INFO [stdout] b7956d04c2d2c85ed13ff9ede196afccaeb5ceb4c7420eb8c5d0617dfba36aca
Dec 04 19:29:50.810 INFO running `"docker" "start" "-a" "b7956d04c2d2c85ed13ff9ede196afccaeb5ceb4c7420eb8c5d0617dfba36aca"`
Dec 04 19:29:51.955 INFO [stderr] usermod: no changes
Dec 04 19:29:52.297 INFO [stderr]     Checking chrono v0.4.1
Dec 04 19:29:52.297 INFO [stderr]     Checking gfx_core v0.8.2
Dec 04 19:29:52.297 INFO [stderr]     Checking x11-dl v2.17.3
Dec 04 19:29:52.316 INFO [stderr]    Compiling gfx_gl v0.5.0
Dec 04 19:29:52.323 INFO [stderr]     Checking ncollide_math v0.9.0
Dec 04 19:29:52.323 INFO [stderr]     Checking pistoncore-input v0.20.0
Dec 04 19:29:56.275 INFO [stderr]     Checking ncollide_utils v0.9.0
Dec 04 19:30:00.691 INFO [stderr]     Checking ncollide_geometry v0.6.2
Dec 04 19:30:00.691 INFO [stderr]     Checking ncollide_procedural v0.9.0
Dec 04 19:30:00.723 INFO [stderr]     Checking pistoncore-window v0.31.0
Dec 04 19:30:02.327 INFO [stderr]     Checking pistoncore-event_loop v0.36.0
Dec 04 19:30:03.731 INFO [stderr]     Checking winit v0.10.0
Dec 04 19:30:06.135 INFO [stderr]     Checking piston v0.36.0
Dec 04 19:30:12.127 INFO [stderr]     Checking glutin v0.12.2
Dec 04 19:30:17.110 INFO [stderr]     Checking pistoncore-glutin_window v0.45.3
Dec 04 19:30:25.835 INFO [stderr]     Checking ncollide_pipeline v0.13.1
Dec 04 19:30:25.835 INFO [stderr]     Checking ncollide_transformation v0.9.0
Dec 04 19:30:30.895 INFO [stderr]     Checking ncollide v0.14.1
Dec 04 19:30:34.658 INFO [stderr]     Checking gfx v0.17.1
Dec 04 19:30:34.658 INFO [stderr]     Checking gfx_device_gl v0.15.2
Dec 04 19:30:40.902 INFO [stderr]     Checking piston-gfx_texture v0.31.0
Dec 04 19:30:43.344 INFO [stderr]     Checking piston2d-gfx_graphics v0.50.0
Dec 04 19:30:47.336 INFO [stderr]     Checking piston_window v0.77.0
Dec 04 19:30:50.939 INFO [stderr]     Checking arena v0.1.0 (/source)
Dec 04 19:30:56.869 INFO [stderr] warning: unused import: `std::mem`
Dec 04 19:30:56.869 INFO [stderr]   --> src/tank.rs:13:5
Dec 04 19:30:56.870 INFO [stderr]    |
Dec 04 19:30:56.870 INFO [stderr] 13 | use std::mem;
Dec 04 19:30:56.870 INFO [stderr]    |     ^^^^^^^^
Dec 04 19:30:56.870 INFO [stderr]    |
Dec 04 19:30:56.870 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 19:30:56.870 INFO [stderr] 
Dec 04 19:30:57.231 INFO [stderr] warning: unused import: `std::mem`
Dec 04 19:30:57.235 INFO [stderr]   --> src/tank.rs:13:5
Dec 04 19:30:57.235 INFO [stderr]    |
Dec 04 19:30:57.235 INFO [stderr] 13 | use std::mem;
Dec 04 19:30:57.235 INFO [stderr]    |     ^^^^^^^^
Dec 04 19:30:57.235 INFO [stderr]    |
Dec 04 19:30:57.235 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 04 19:30:57.235 INFO [stderr] 
Dec 04 19:30:57.555 INFO [stderr] warning: method is never used: `give_brain`
Dec 04 19:30:57.555 INFO [stderr]    --> src/tank.rs:183:5
Dec 04 19:30:57.555 INFO [stderr]     |
Dec 04 19:30:57.555 INFO [stderr] 183 |     pub fn give_brain(&mut self, brain: Brain) {
Dec 04 19:30:57.555 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:30:57.555 INFO [stderr]     |
Dec 04 19:30:57.555 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 19:30:57.555 INFO [stderr] 
Dec 04 19:30:57.555 INFO [stderr] warning: method is never used: `pick_up_brain`
Dec 04 19:30:57.555 INFO [stderr]    --> src/tank.rs:187:5
Dec 04 19:30:57.555 INFO [stderr]     |
Dec 04 19:30:57.555 INFO [stderr] 187 |     pub fn pick_up_brain(mut self) -> Option<Brain> {
Dec 04 19:30:57.555 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:30:57.555 INFO [stderr] 
Dec 04 19:30:57.555 INFO [stderr] warning: function is never used: `relu_af`
Dec 04 19:30:57.555 INFO [stderr]  --> src/brain.rs:7:1
Dec 04 19:30:57.555 INFO [stderr]   |
Dec 04 19:30:57.555 INFO [stderr] 7 | pub fn relu_af(x: f64) -> f64 {
Dec 04 19:30:57.555 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:30:57.555 INFO [stderr] 
Dec 04 19:30:57.555 INFO [stderr] warning: method is never used: `fuck`
Dec 04 19:30:57.555 INFO [stderr]    --> src/brain.rs:110:5
Dec 04 19:30:57.555 INFO [stderr]     |
Dec 04 19:30:57.555 INFO [stderr] 110 |     pub fn fuck(&self, partner: &Layer) -> (Layer, Layer) {
Dec 04 19:30:57.555 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:30:57.555 INFO [stderr] 
Dec 04 19:30:57.555 INFO [stderr] warning: method is never used: `fuck`
Dec 04 19:30:57.555 INFO [stderr]    --> src/brain.rs:211:5
Dec 04 19:30:57.555 INFO [stderr]     |
Dec 04 19:30:57.555 INFO [stderr] 211 | /     pub fn fuck(&self, partner: &LayersChain)
Dec 04 19:30:57.555 INFO [stderr] 212 | |                 -> (LayersChain, LayersChain) {
Dec 04 19:30:57.555 INFO [stderr] 213 | |         assert!(self.layers.len() == partner.layers.len());
Dec 04 19:30:57.555 INFO [stderr] 214 | |         let mut ls1 = Vec::with_capacity(self.layers.len());
Dec 04 19:30:57.555 INFO [stderr] ...   |
Dec 04 19:30:57.555 INFO [stderr] 221 | |         (LayersChain{layers: ls1}, LayersChain{layers: ls2})
Dec 04 19:30:57.555 INFO [stderr] 222 | |     }
Dec 04 19:30:57.555 INFO [stderr]     | |_____^
Dec 04 19:30:57.555 INFO [stderr] 
Dec 04 19:30:57.559 INFO [stderr] warning: method is never used: `fuck`
Dec 04 19:30:57.559 INFO [stderr]    --> src/brain.rs:277:5
Dec 04 19:30:57.559 INFO [stderr]     |
Dec 04 19:30:57.559 INFO [stderr] 277 | /     pub fn fuck(&self, partner: &Brain)
Dec 04 19:30:57.559 INFO [stderr] 278 | |                 -> (Brain, Brain)
Dec 04 19:30:57.559 INFO [stderr] 279 | |     {
Dec 04 19:30:57.559 INFO [stderr] 280 | |         let (rc1, rc2) = self.result_chain
Dec 04 19:30:57.559 INFO [stderr] ...   |
Dec 04 19:30:57.559 INFO [stderr] 297 | |
Dec 04 19:30:57.559 INFO [stderr] 298 | |     }
Dec 04 19:30:57.559 INFO [stderr]     | |_____^
Dec 04 19:30:57.559 INFO [stderr] 
Dec 04 19:30:57.837 INFO [stderr] warning: method is never used: `give_brain`
Dec 04 19:30:57.837 INFO [stderr]    --> src/tank.rs:183:5
Dec 04 19:30:57.837 INFO [stderr]     |
Dec 04 19:30:57.837 INFO [stderr] 183 |     pub fn give_brain(&mut self, brain: Brain) {
Dec 04 19:30:57.837 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:30:57.837 INFO [stderr]     |
Dec 04 19:30:57.837 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 04 19:30:57.837 INFO [stderr] 
Dec 04 19:30:57.837 INFO [stderr] warning: method is never used: `pick_up_brain`
Dec 04 19:30:57.837 INFO [stderr]    --> src/tank.rs:187:5
Dec 04 19:30:57.837 INFO [stderr]     |
Dec 04 19:30:57.837 INFO [stderr] 187 |     pub fn pick_up_brain(mut self) -> Option<Brain> {
Dec 04 19:30:57.837 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:30:57.837 INFO [stderr] 
Dec 04 19:30:57.837 INFO [stderr] warning: function is never used: `relu_af`
Dec 04 19:30:57.837 INFO [stderr]  --> src/brain.rs:7:1
Dec 04 19:30:57.837 INFO [stderr]   |
Dec 04 19:30:57.837 INFO [stderr] 7 | pub fn relu_af(x: f64) -> f64 {
Dec 04 19:30:57.837 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:30:57.837 INFO [stderr] 
Dec 04 19:30:57.837 INFO [stderr] warning: method is never used: `fuck`
Dec 04 19:30:57.837 INFO [stderr]    --> src/brain.rs:110:5
Dec 04 19:30:57.837 INFO [stderr]     |
Dec 04 19:30:57.837 INFO [stderr] 110 |     pub fn fuck(&self, partner: &Layer) -> (Layer, Layer) {
Dec 04 19:30:57.837 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 19:30:57.837 INFO [stderr] 
Dec 04 19:30:57.837 INFO [stderr] warning: method is never used: `fuck`
Dec 04 19:30:57.837 INFO [stderr]    --> src/brain.rs:211:5
Dec 04 19:30:57.837 INFO [stderr]     |
Dec 04 19:30:57.837 INFO [stderr] 211 | /     pub fn fuck(&self, partner: &LayersChain)
Dec 04 19:30:57.837 INFO [stderr] 212 | |                 -> (LayersChain, LayersChain) {
Dec 04 19:30:57.837 INFO [stderr] 213 | |         assert!(self.layers.len() == partner.layers.len());
Dec 04 19:30:57.837 INFO [stderr] 214 | |         let mut ls1 = Vec::with_capacity(self.layers.len());
Dec 04 19:30:57.837 INFO [stderr] ...   |
Dec 04 19:30:57.837 INFO [stderr] 221 | |         (LayersChain{layers: ls1}, LayersChain{layers: ls2})
Dec 04 19:30:57.837 INFO [stderr] 222 | |     }
Dec 04 19:30:57.837 INFO [stderr]     | |_____^
Dec 04 19:30:57.837 INFO [stderr] 
Dec 04 19:30:57.837 INFO [stderr] warning: method is never used: `fuck`
Dec 04 19:30:57.837 INFO [stderr]    --> src/brain.rs:277:5
Dec 04 19:30:57.837 INFO [stderr]     |
Dec 04 19:30:57.837 INFO [stderr] 277 | /     pub fn fuck(&self, partner: &Brain)
Dec 04 19:30:57.837 INFO [stderr] 278 | |                 -> (Brain, Brain)
Dec 04 19:30:57.837 INFO [stderr] 279 | |     {
Dec 04 19:30:57.837 INFO [stderr] 280 | |         let (rc1, rc2) = self.result_chain
Dec 04 19:30:57.837 INFO [stderr] ...   |
Dec 04 19:30:57.838 INFO [stderr] 297 | |
Dec 04 19:30:57.838 INFO [stderr] 298 | |     }
Dec 04 19:30:57.838 INFO [stderr]     | |_____^
Dec 04 19:30:57.838 INFO [stderr] 
Dec 04 19:30:57.893 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
Dec 04 19:30:57.907 INFO [stderr] su: No module specific data is present
Dec 04 19:30:58.967 INFO running `"docker" "inspect" "b7956d04c2d2c85ed13ff9ede196afccaeb5ceb4c7420eb8c5d0617dfba36aca"`
Dec 04 19:30:59.285 INFO running `"docker" "rm" "-f" "b7956d04c2d2c85ed13ff9ede196afccaeb5ceb4c7420eb8c5d0617dfba36aca"`
Dec 04 19:30:59.602 INFO [stdout] b7956d04c2d2c85ed13ff9ede196afccaeb5ceb4c7420eb8c5d0617dfba36aca