Dec 18 01:01:55.801 INFO checking dyens/arena against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 01:01:55.801 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/dyens/arena:/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 01:01:56.191 INFO [stdout] ba72428878495e3b02e9968b6b42165e604bfeb0274873bff9e754a562f7aa5a
Dec 18 01:01:56.195 INFO running `"docker" "start" "-a" "ba72428878495e3b02e9968b6b42165e604bfeb0274873bff9e754a562f7aa5a"`
Dec 18 01:01:57.816 INFO [stderr]     Checking gfx_core v0.8.2
Dec 18 01:01:57.816 INFO [stderr]     Checking x11-dl v2.17.3
Dec 18 01:01:57.848 INFO [stderr]     Checking nalgebra v0.14.1
Dec 18 01:01:57.848 INFO [stderr]    Compiling gfx_gl v0.5.0
Dec 18 01:01:57.872 INFO [stderr]     Checking pistoncore-input v0.20.0
Dec 18 01:02:04.780 INFO [stderr]     Checking winit v0.10.0
Dec 18 01:02:07.356 INFO [stderr]     Checking pistoncore-window v0.31.0
Dec 18 01:02:10.376 INFO [stderr]     Checking glutin v0.12.2
Dec 18 01:02:12.240 INFO [stderr]     Checking pistoncore-event_loop v0.36.0
Dec 18 01:02:15.208 INFO [stderr]     Checking piston v0.36.0
Dec 18 01:02:15.714 INFO [stderr]     Checking pistoncore-glutin_window v0.45.3
Dec 18 01:02:40.980 INFO [stderr]     Checking gfx v0.17.1
Dec 18 01:02:40.983 INFO [stderr]     Checking gfx_device_gl v0.15.2
Dec 18 01:02:46.289 INFO [stderr]     Checking ncollide_math v0.9.0
Dec 18 01:02:47.352 INFO [stderr]     Checking ncollide_utils v0.9.0
Dec 18 01:02:48.434 INFO [stderr]     Checking piston-gfx_texture v0.31.0
Dec 18 01:02:48.536 INFO [stderr]     Checking ncollide_procedural v0.9.0
Dec 18 01:02:48.536 INFO [stderr]     Checking ncollide_geometry v0.6.2
Dec 18 01:02:50.030 INFO [stderr]     Checking piston2d-gfx_graphics v0.50.0
Dec 18 01:02:52.177 INFO [stderr]     Checking piston_window v0.77.0
Dec 18 01:02:58.289 INFO [stderr]     Checking ncollide_pipeline v0.13.1
Dec 18 01:02:58.289 INFO [stderr]     Checking ncollide_transformation v0.9.0
Dec 18 01:03:00.408 INFO [stderr]     Checking ncollide v0.14.1
Dec 18 01:03:00.692 INFO [stderr]     Checking arena v0.1.0 (/opt/crater/workdir)
Dec 18 01:03:02.032 INFO [stderr] warning: unused import: `std::mem`
Dec 18 01:03:02.032 INFO [stderr]   --> src/tank.rs:13:5
Dec 18 01:03:02.032 INFO [stderr]    |
Dec 18 01:03:02.032 INFO [stderr] 13 | use std::mem;
Dec 18 01:03:02.032 INFO [stderr]    |     ^^^^^^^^
Dec 18 01:03:02.032 INFO [stderr]    |
Dec 18 01:03:02.032 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 01:03:02.032 INFO [stderr] 
Dec 18 01:03:02.045 INFO [stderr] warning: unused import: `std::mem`
Dec 18 01:03:02.045 INFO [stderr]   --> src/tank.rs:13:5
Dec 18 01:03:02.052 INFO [stderr]    |
Dec 18 01:03:02.052 INFO [stderr] 13 | use std::mem;
Dec 18 01:03:02.052 INFO [stderr]    |     ^^^^^^^^
Dec 18 01:03:02.052 INFO [stderr]    |
Dec 18 01:03:02.052 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 18 01:03:02.052 INFO [stderr] 
Dec 18 01:03:02.572 INFO [stderr] warning: method is never used: `give_brain`
Dec 18 01:03:02.572 INFO [stderr]    --> src/tank.rs:183:5
Dec 18 01:03:02.572 INFO [stderr]     |
Dec 18 01:03:02.572 INFO [stderr] 183 |     pub fn give_brain(&mut self, brain: Brain) {
Dec 18 01:03:02.572 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:03:02.572 INFO [stderr]     |
Dec 18 01:03:02.572 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 01:03:02.572 INFO [stderr] 
Dec 18 01:03:02.572 INFO [stderr] warning: method is never used: `pick_up_brain`
Dec 18 01:03:02.572 INFO [stderr]    --> src/tank.rs:187:5
Dec 18 01:03:02.572 INFO [stderr]     |
Dec 18 01:03:02.572 INFO [stderr] 187 |     pub fn pick_up_brain(mut self) -> Option<Brain> {
Dec 18 01:03:02.572 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:03:02.572 INFO [stderr] 
Dec 18 01:03:02.572 INFO [stderr] warning: function is never used: `relu_af`
Dec 18 01:03:02.572 INFO [stderr]  --> src/brain.rs:7:1
Dec 18 01:03:02.572 INFO [stderr]   |
Dec 18 01:03:02.572 INFO [stderr] 7 | pub fn relu_af(x: f64) -> f64 {
Dec 18 01:03:02.573 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:03:02.573 INFO [stderr] 
Dec 18 01:03:02.573 INFO [stderr] warning: method is never used: `fuck`
Dec 18 01:03:02.573 INFO [stderr]    --> src/brain.rs:110:5
Dec 18 01:03:02.573 INFO [stderr]     |
Dec 18 01:03:02.573 INFO [stderr] 110 |     pub fn fuck(&self, partner: &Layer) -> (Layer, Layer) {
Dec 18 01:03:02.573 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:03:02.573 INFO [stderr] 
Dec 18 01:03:02.573 INFO [stderr] warning: method is never used: `fuck`
Dec 18 01:03:02.573 INFO [stderr]    --> src/brain.rs:211:5
Dec 18 01:03:02.573 INFO [stderr]     |
Dec 18 01:03:02.573 INFO [stderr] 211 | /     pub fn fuck(&self, partner: &LayersChain)
Dec 18 01:03:02.573 INFO [stderr] 212 | |                 -> (LayersChain, LayersChain) {
Dec 18 01:03:02.573 INFO [stderr] 213 | |         assert!(self.layers.len() == partner.layers.len());
Dec 18 01:03:02.573 INFO [stderr] 214 | |         let mut ls1 = Vec::with_capacity(self.layers.len());
Dec 18 01:03:02.573 INFO [stderr] ...   |
Dec 18 01:03:02.573 INFO [stderr] 221 | |         (LayersChain{layers: ls1}, LayersChain{layers: ls2})
Dec 18 01:03:02.573 INFO [stderr] 222 | |     }
Dec 18 01:03:02.573 INFO [stderr]     | |_____^
Dec 18 01:03:02.573 INFO [stderr] 
Dec 18 01:03:02.573 INFO [stderr] warning: method is never used: `fuck`
Dec 18 01:03:02.573 INFO [stderr]    --> src/brain.rs:277:5
Dec 18 01:03:02.573 INFO [stderr]     |
Dec 18 01:03:02.573 INFO [stderr] 277 | /     pub fn fuck(&self, partner: &Brain)
Dec 18 01:03:02.573 INFO [stderr] 278 | |                 -> (Brain, Brain)
Dec 18 01:03:02.573 INFO [stderr] 279 | |     {
Dec 18 01:03:02.573 INFO [stderr] 280 | |         let (rc1, rc2) = self.result_chain
Dec 18 01:03:02.573 INFO [stderr] ...   |
Dec 18 01:03:02.573 INFO [stderr] 297 | |
Dec 18 01:03:02.573 INFO [stderr] 298 | |     }
Dec 18 01:03:02.573 INFO [stderr]     | |_____^
Dec 18 01:03:02.573 INFO [stderr] 
Dec 18 01:03:02.577 INFO [stderr] warning: method is never used: `give_brain`
Dec 18 01:03:02.577 INFO [stderr]    --> src/tank.rs:183:5
Dec 18 01:03:02.577 INFO [stderr]     |
Dec 18 01:03:02.577 INFO [stderr] 183 |     pub fn give_brain(&mut self, brain: Brain) {
Dec 18 01:03:02.577 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:03:02.577 INFO [stderr]     |
Dec 18 01:03:02.577 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 18 01:03:02.577 INFO [stderr] 
Dec 18 01:03:02.577 INFO [stderr] warning: method is never used: `pick_up_brain`
Dec 18 01:03:02.577 INFO [stderr]    --> src/tank.rs:187:5
Dec 18 01:03:02.577 INFO [stderr]     |
Dec 18 01:03:02.577 INFO [stderr] 187 |     pub fn pick_up_brain(mut self) -> Option<Brain> {
Dec 18 01:03:02.577 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:03:02.577 INFO [stderr] 
Dec 18 01:03:02.577 INFO [stderr] warning: function is never used: `relu_af`
Dec 18 01:03:02.577 INFO [stderr]  --> src/brain.rs:7:1
Dec 18 01:03:02.577 INFO [stderr]   |
Dec 18 01:03:02.577 INFO [stderr] 7 | pub fn relu_af(x: f64) -> f64 {
Dec 18 01:03:02.577 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:03:02.577 INFO [stderr] 
Dec 18 01:03:02.578 INFO [stderr] warning: method is never used: `fuck`
Dec 18 01:03:02.578 INFO [stderr]    --> src/brain.rs:110:5
Dec 18 01:03:02.578 INFO [stderr]     |
Dec 18 01:03:02.578 INFO [stderr] 110 |     pub fn fuck(&self, partner: &Layer) -> (Layer, Layer) {
Dec 18 01:03:02.578 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 01:03:02.578 INFO [stderr] 
Dec 18 01:03:02.578 INFO [stderr] warning: method is never used: `fuck`
Dec 18 01:03:02.578 INFO [stderr]    --> src/brain.rs:211:5
Dec 18 01:03:02.578 INFO [stderr]     |
Dec 18 01:03:02.578 INFO [stderr] 211 | /     pub fn fuck(&self, partner: &LayersChain)
Dec 18 01:03:02.578 INFO [stderr] 212 | |                 -> (LayersChain, LayersChain) {
Dec 18 01:03:02.578 INFO [stderr] 213 | |         assert!(self.layers.len() == partner.layers.len());
Dec 18 01:03:02.578 INFO [stderr] 214 | |         let mut ls1 = Vec::with_capacity(self.layers.len());
Dec 18 01:03:02.578 INFO [stderr] ...   |
Dec 18 01:03:02.578 INFO [stderr] 221 | |         (LayersChain{layers: ls1}, LayersChain{layers: ls2})
Dec 18 01:03:02.578 INFO [stderr] 222 | |     }
Dec 18 01:03:02.578 INFO [stderr]     | |_____^
Dec 18 01:03:02.578 INFO [stderr] 
Dec 18 01:03:02.578 INFO [stderr] warning: method is never used: `fuck`
Dec 18 01:03:02.578 INFO [stderr]    --> src/brain.rs:277:5
Dec 18 01:03:02.578 INFO [stderr]     |
Dec 18 01:03:02.578 INFO [stderr] 277 | /     pub fn fuck(&self, partner: &Brain)
Dec 18 01:03:02.578 INFO [stderr] 278 | |                 -> (Brain, Brain)
Dec 18 01:03:02.578 INFO [stderr] 279 | |     {
Dec 18 01:03:02.578 INFO [stderr] 280 | |         let (rc1, rc2) = self.result_chain
Dec 18 01:03:02.578 INFO [stderr] ...   |
Dec 18 01:03:02.578 INFO [stderr] 297 | |
Dec 18 01:03:02.578 INFO [stderr] 298 | |     }
Dec 18 01:03:02.578 INFO [stderr]     | |_____^
Dec 18 01:03:02.578 INFO [stderr] 
Dec 18 01:03:02.612 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
Dec 18 01:03:02.942 INFO running `"docker" "inspect" "ba72428878495e3b02e9968b6b42165e604bfeb0274873bff9e754a562f7aa5a"`
Dec 18 01:03:03.193 INFO running `"docker" "rm" "-f" "ba72428878495e3b02e9968b6b42165e604bfeb0274873bff9e754a562f7aa5a"`
Dec 18 01:03:03.297 INFO [stdout] ba72428878495e3b02e9968b6b42165e604bfeb0274873bff9e754a562f7aa5a