Dec 11 19:19:51.324 INFO checking dyens/arena against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 19:19:51.324 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 19:19:51.514 INFO [stdout] 6bac973baf3a1053aa1cc7ad9d6d32595d7297b30ea895c90f2b4b8873d9cbad
Dec 11 19:19:51.516 INFO running `"docker" "start" "-a" "6bac973baf3a1053aa1cc7ad9d6d32595d7297b30ea895c90f2b4b8873d9cbad"`
Dec 11 19:19:51.835 INFO [stderr] usermod: no changes
Dec 11 19:19:52.174 INFO [stderr]    Compiling libloading v0.5.0
Dec 11 19:19:52.176 INFO [stderr]     Checking chrono v0.4.1
Dec 11 19:19:52.176 INFO [stderr]    Compiling gl_generator v0.8.0
Dec 11 19:19:52.176 INFO [stderr]    Compiling gl_generator v0.9.0
Dec 11 19:19:52.176 INFO [stderr]     Checking x11-dl v2.17.3
Dec 11 19:19:52.176 INFO [stderr]     Checking gfx_core v0.8.2
Dec 11 19:19:52.176 INFO [stderr]     Checking rusttype v0.4.3
Dec 11 19:19:52.176 INFO [stderr]     Checking rayon-core v1.4.0
Dec 11 19:19:55.045 INFO [stderr]     Checking nalgebra v0.14.1
Dec 11 19:19:55.455 INFO [stderr]     Checking rayon v1.0.1
Dec 11 19:19:55.724 INFO [stderr]     Checking piston2d-graphics v0.26.0
Dec 11 19:20:00.632 INFO [stderr]     Checking pistoncore-input v0.20.0
Dec 11 19:20:00.764 INFO [stderr]    Compiling gl v0.10.0
Dec 11 19:20:00.764 INFO [stderr]    Compiling gfx_gl v0.5.0
Dec 11 19:20:01.296 INFO [stderr]    Compiling glutin v0.12.2
Dec 11 19:20:04.184 INFO [stderr]     Checking dlib v0.4.1
Dec 11 19:20:06.193 INFO [stderr]     Checking wayland-sys v0.12.5
Dec 11 19:20:06.484 INFO [stderr]     Checking jpeg-decoder v0.1.14
Dec 11 19:20:15.088 INFO [stderr]     Checking wayland-client v0.12.5
Dec 11 19:20:15.840 INFO [stderr]     Checking image v0.18.0
Dec 11 19:20:18.118 INFO [stderr]     Checking pistoncore-window v0.31.0
Dec 11 19:20:18.797 INFO [stderr]     Checking wayland-protocols v0.12.5
Dec 11 19:20:24.740 INFO [stderr]     Checking wayland-kbd v0.13.1
Dec 11 19:20:28.553 INFO [stderr]     Checking pistoncore-event_loop v0.36.0
Dec 11 19:20:32.640 INFO [stderr]     Checking wayland-window v0.13.3
Dec 11 19:20:33.492 INFO [stderr]     Checking piston v0.36.0
Dec 11 19:20:36.516 INFO [stderr]     Checking winit v0.10.0
Dec 11 19:20:46.148 INFO [stderr]     Checking pistoncore-glutin_window v0.45.3
Dec 11 19:20:51.896 INFO [stderr]     Checking gfx v0.17.1
Dec 11 19:20:51.896 INFO [stderr]     Checking gfx_device_gl v0.15.2
Dec 11 19:20:58.091 INFO [stderr]     Checking ncollide_math v0.9.0
Dec 11 19:20:58.556 INFO [stderr]     Checking piston-gfx_texture v0.31.0
Dec 11 19:20:59.602 INFO [stderr]     Checking ncollide_utils v0.9.0
Dec 11 19:21:01.368 INFO [stderr]     Checking ncollide_procedural v0.9.0
Dec 11 19:21:01.368 INFO [stderr]     Checking ncollide_geometry v0.6.2
Dec 11 19:21:01.644 INFO [stderr]     Checking piston2d-gfx_graphics v0.50.0
Dec 11 19:21:06.577 INFO [stderr]     Checking piston_window v0.77.0
Dec 11 19:21:13.832 INFO [stderr]     Checking ncollide_transformation v0.9.0
Dec 11 19:21:13.840 INFO [stderr]     Checking ncollide_pipeline v0.13.1
Dec 11 19:21:17.620 INFO [stderr]     Checking ncollide v0.14.1
Dec 11 19:21:18.507 INFO [stderr]     Checking arena v0.1.0 (/source)
Dec 11 19:21:25.049 INFO [stderr] warning: unused import: `std::mem`
Dec 11 19:21:25.050 INFO [stderr]   --> src/tank.rs:13:5
Dec 11 19:21:25.050 INFO [stderr]    |
Dec 11 19:21:25.050 INFO [stderr] 13 | use std::mem;
Dec 11 19:21:25.050 INFO [stderr]    |     ^^^^^^^^
Dec 11 19:21:25.051 INFO [stderr]    |
Dec 11 19:21:25.051 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 19:21:25.051 INFO [stderr] 
Dec 11 19:21:25.386 INFO [stderr] warning: unused import: `std::mem`
Dec 11 19:21:25.387 INFO [stderr]   --> src/tank.rs:13:5
Dec 11 19:21:25.387 INFO [stderr]    |
Dec 11 19:21:25.387 INFO [stderr] 13 | use std::mem;
Dec 11 19:21:25.387 INFO [stderr]    |     ^^^^^^^^
Dec 11 19:21:25.392 INFO [stderr]    |
Dec 11 19:21:25.392 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 11 19:21:25.392 INFO [stderr] 
Dec 11 19:21:25.687 INFO [stderr] warning: method is never used: `give_brain`
Dec 11 19:21:25.687 INFO [stderr]    --> src/tank.rs:183:5
Dec 11 19:21:25.687 INFO [stderr]     |
Dec 11 19:21:25.687 INFO [stderr] 183 |     pub fn give_brain(&mut self, brain: Brain) {
Dec 11 19:21:25.687 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:21:25.687 INFO [stderr]     |
Dec 11 19:21:25.687 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 19:21:25.687 INFO [stderr] 
Dec 11 19:21:25.687 INFO [stderr] warning: method is never used: `pick_up_brain`
Dec 11 19:21:25.687 INFO [stderr]    --> src/tank.rs:187:5
Dec 11 19:21:25.687 INFO [stderr]     |
Dec 11 19:21:25.687 INFO [stderr] 187 |     pub fn pick_up_brain(mut self) -> Option<Brain> {
Dec 11 19:21:25.687 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:21:25.687 INFO [stderr] 
Dec 11 19:21:25.687 INFO [stderr] warning: function is never used: `relu_af`
Dec 11 19:21:25.687 INFO [stderr]  --> src/brain.rs:7:1
Dec 11 19:21:25.687 INFO [stderr]   |
Dec 11 19:21:25.687 INFO [stderr] 7 | pub fn relu_af(x: f64) -> f64 {
Dec 11 19:21:25.687 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:21:25.687 INFO [stderr] 
Dec 11 19:21:25.687 INFO [stderr] warning: method is never used: `fuck`
Dec 11 19:21:25.687 INFO [stderr]    --> src/brain.rs:110:5
Dec 11 19:21:25.687 INFO [stderr]     |
Dec 11 19:21:25.687 INFO [stderr] 110 |     pub fn fuck(&self, partner: &Layer) -> (Layer, Layer) {
Dec 11 19:21:25.687 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:21:25.687 INFO [stderr] 
Dec 11 19:21:25.687 INFO [stderr] warning: method is never used: `fuck`
Dec 11 19:21:25.687 INFO [stderr]    --> src/brain.rs:211:5
Dec 11 19:21:25.687 INFO [stderr]     |
Dec 11 19:21:25.687 INFO [stderr] 211 | /     pub fn fuck(&self, partner: &LayersChain)
Dec 11 19:21:25.687 INFO [stderr] 212 | |                 -> (LayersChain, LayersChain) {
Dec 11 19:21:25.687 INFO [stderr] 213 | |         assert!(self.layers.len() == partner.layers.len());
Dec 11 19:21:25.687 INFO [stderr] 214 | |         let mut ls1 = Vec::with_capacity(self.layers.len());
Dec 11 19:21:25.687 INFO [stderr] ...   |
Dec 11 19:21:25.687 INFO [stderr] 221 | |         (LayersChain{layers: ls1}, LayersChain{layers: ls2})
Dec 11 19:21:25.687 INFO [stderr] 222 | |     }
Dec 11 19:21:25.687 INFO [stderr]     | |_____^
Dec 11 19:21:25.687 INFO [stderr] 
Dec 11 19:21:25.687 INFO [stderr] warning: method is never used: `fuck`
Dec 11 19:21:25.687 INFO [stderr]    --> src/brain.rs:277:5
Dec 11 19:21:25.687 INFO [stderr]     |
Dec 11 19:21:25.687 INFO [stderr] 277 | /     pub fn fuck(&self, partner: &Brain)
Dec 11 19:21:25.687 INFO [stderr] 278 | |                 -> (Brain, Brain)
Dec 11 19:21:25.687 INFO [stderr] 279 | |     {
Dec 11 19:21:25.687 INFO [stderr] 280 | |         let (rc1, rc2) = self.result_chain
Dec 11 19:21:25.687 INFO [stderr] ...   |
Dec 11 19:21:25.687 INFO [stderr] 297 | |
Dec 11 19:21:25.687 INFO [stderr] 298 | |     }
Dec 11 19:21:25.687 INFO [stderr]     | |_____^
Dec 11 19:21:25.687 INFO [stderr] 
Dec 11 19:21:25.826 INFO [stderr] warning: method is never used: `give_brain`
Dec 11 19:21:25.826 INFO [stderr]    --> src/tank.rs:183:5
Dec 11 19:21:25.826 INFO [stderr]     |
Dec 11 19:21:25.826 INFO [stderr] 183 |     pub fn give_brain(&mut self, brain: Brain) {
Dec 11 19:21:25.826 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:21:25.826 INFO [stderr]     |
Dec 11 19:21:25.826 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 11 19:21:25.826 INFO [stderr] 
Dec 11 19:21:25.826 INFO [stderr] warning: method is never used: `pick_up_brain`
Dec 11 19:21:25.826 INFO [stderr]    --> src/tank.rs:187:5
Dec 11 19:21:25.826 INFO [stderr]     |
Dec 11 19:21:25.826 INFO [stderr] 187 |     pub fn pick_up_brain(mut self) -> Option<Brain> {
Dec 11 19:21:25.826 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:21:25.826 INFO [stderr] 
Dec 11 19:21:25.826 INFO [stderr] warning: function is never used: `relu_af`
Dec 11 19:21:25.826 INFO [stderr]  --> src/brain.rs:7:1
Dec 11 19:21:25.826 INFO [stderr]   |
Dec 11 19:21:25.826 INFO [stderr] 7 | pub fn relu_af(x: f64) -> f64 {
Dec 11 19:21:25.826 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:21:25.826 INFO [stderr] 
Dec 11 19:21:25.826 INFO [stderr] warning: method is never used: `fuck`
Dec 11 19:21:25.826 INFO [stderr]    --> src/brain.rs:110:5
Dec 11 19:21:25.826 INFO [stderr]     |
Dec 11 19:21:25.826 INFO [stderr] 110 |     pub fn fuck(&self, partner: &Layer) -> (Layer, Layer) {
Dec 11 19:21:25.826 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 11 19:21:25.826 INFO [stderr] 
Dec 11 19:21:25.826 INFO [stderr] warning: method is never used: `fuck`
Dec 11 19:21:25.826 INFO [stderr]    --> src/brain.rs:211:5
Dec 11 19:21:25.826 INFO [stderr]     |
Dec 11 19:21:25.826 INFO [stderr] 211 | /     pub fn fuck(&self, partner: &LayersChain)
Dec 11 19:21:25.826 INFO [stderr] 212 | |                 -> (LayersChain, LayersChain) {
Dec 11 19:21:25.826 INFO [stderr] 213 | |         assert!(self.layers.len() == partner.layers.len());
Dec 11 19:21:25.826 INFO [stderr] 214 | |         let mut ls1 = Vec::with_capacity(self.layers.len());
Dec 11 19:21:25.826 INFO [stderr] ...   |
Dec 11 19:21:25.826 INFO [stderr] 221 | |         (LayersChain{layers: ls1}, LayersChain{layers: ls2})
Dec 11 19:21:25.826 INFO [stderr] 222 | |     }
Dec 11 19:21:25.826 INFO [stderr]     | |_____^
Dec 11 19:21:25.826 INFO [stderr] 
Dec 11 19:21:25.826 INFO [stderr] warning: method is never used: `fuck`
Dec 11 19:21:25.826 INFO [stderr]    --> src/brain.rs:277:5
Dec 11 19:21:25.826 INFO [stderr]     |
Dec 11 19:21:25.826 INFO [stderr] 277 | /     pub fn fuck(&self, partner: &Brain)
Dec 11 19:21:25.826 INFO [stderr] 278 | |                 -> (Brain, Brain)
Dec 11 19:21:25.826 INFO [stderr] 279 | |     {
Dec 11 19:21:25.826 INFO [stderr] 280 | |         let (rc1, rc2) = self.result_chain
Dec 11 19:21:25.826 INFO [stderr] ...   |
Dec 11 19:21:25.826 INFO [stderr] 297 | |
Dec 11 19:21:25.826 INFO [stderr] 298 | |     }
Dec 11 19:21:25.826 INFO [stderr]     | |_____^
Dec 11 19:21:25.826 INFO [stderr] 
Dec 11 19:21:25.868 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
Dec 11 19:21:25.901 INFO [stderr] su: No module specific data is present
Dec 11 19:21:26.582 INFO running `"docker" "inspect" "6bac973baf3a1053aa1cc7ad9d6d32595d7297b30ea895c90f2b4b8873d9cbad"`
Dec 11 19:21:26.897 INFO running `"docker" "rm" "-f" "6bac973baf3a1053aa1cc7ad9d6d32595d7297b30ea895c90f2b4b8873d9cbad"`
Dec 11 19:21:27.149 INFO [stdout] 6bac973baf3a1053aa1cc7ad9d6d32595d7297b30ea895c90f2b4b8873d9cbad