Dec 13 20:45:43.008 INFO testing dyens/arena against try#aa49d8ef14939ddec0e34b346b60174a5673d48f for pr-56550
Dec 13 20:45:43.008 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt build --frozen" "-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 13 20:45:43.378 INFO [stdout] 4d5f1267407913d1f02b9dd2af282540920f0145dcc6506fc2fea01750cb0e29
Dec 13 20:45:43.380 INFO running `"docker" "start" "-a" "4d5f1267407913d1f02b9dd2af282540920f0145dcc6506fc2fea01750cb0e29"`
Dec 13 20:45:44.284 INFO [stderr] usermod: no changes
Dec 13 20:45:44.559 INFO [stderr]    Compiling chrono v0.4.1
Dec 13 20:45:44.560 INFO [stderr]    Compiling x11-dl v2.17.3
Dec 13 20:45:44.562 INFO [stderr]    Compiling gfx_core v0.8.2
Dec 13 20:45:44.562 INFO [stderr]    Compiling nalgebra v0.14.1
Dec 13 20:45:44.562 INFO [stderr]    Compiling gfx_gl v0.5.0
Dec 13 20:45:44.564 INFO [stderr]    Compiling pistoncore-input v0.20.0
Dec 13 20:45:51.176 INFO [stderr]    Compiling pistoncore-window v0.31.0
Dec 13 20:45:52.631 INFO [stderr]    Compiling winit v0.10.0
Dec 13 20:45:55.307 INFO [stderr]    Compiling pistoncore-event_loop v0.36.0
Dec 13 20:45:56.807 INFO [stderr]    Compiling piston v0.36.0
Dec 13 20:45:59.882 INFO [stderr]    Compiling glutin v0.12.2
Dec 13 20:46:03.432 INFO [stderr]    Compiling pistoncore-glutin_window v0.45.3
Dec 13 20:46:19.927 INFO [stderr]    Compiling gfx v0.17.1
Dec 13 20:46:19.927 INFO [stderr]    Compiling gfx_device_gl v0.15.2
Dec 13 20:46:32.915 INFO [stderr]    Compiling piston-gfx_texture v0.31.0
Dec 13 20:46:33.835 INFO [stderr]    Compiling ncollide_math v0.9.0
Dec 13 20:46:35.419 INFO [stderr]    Compiling ncollide_utils v0.9.0
Dec 13 20:46:36.194 INFO [stderr]    Compiling piston2d-gfx_graphics v0.50.0
Dec 13 20:46:37.580 INFO [stderr]    Compiling ncollide_procedural v0.9.0
Dec 13 20:46:37.580 INFO [stderr]    Compiling ncollide_geometry v0.6.2
Dec 13 20:46:40.473 INFO [stderr]    Compiling piston_window v0.77.0
Dec 13 20:46:48.455 INFO [stderr]    Compiling ncollide_pipeline v0.13.1
Dec 13 20:46:48.455 INFO [stderr]    Compiling ncollide_transformation v0.9.0
Dec 13 20:46:53.109 INFO [stderr]    Compiling ncollide v0.14.1
Dec 13 20:46:54.076 INFO [stderr]    Compiling arena v0.1.0 (/source)
Dec 13 20:46:58.003 INFO [stderr] warning: unused import: `std::mem`
Dec 13 20:46:58.003 INFO [stderr]   --> src/tank.rs:13:5
Dec 13 20:46:58.003 INFO [stderr]    |
Dec 13 20:46:58.003 INFO [stderr] 13 | use std::mem;
Dec 13 20:46:58.003 INFO [stderr]    |     ^^^^^^^^
Dec 13 20:46:58.003 INFO [stderr]    |
Dec 13 20:46:58.003 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 20:46:58.003 INFO [stderr] 
Dec 13 20:46:58.488 INFO [stderr] warning: method is never used: `give_brain`
Dec 13 20:46:58.488 INFO [stderr]    --> src/tank.rs:183:5
Dec 13 20:46:58.488 INFO [stderr]     |
Dec 13 20:46:58.488 INFO [stderr] 183 |     pub fn give_brain(&mut self, brain: Brain) {
Dec 13 20:46:58.488 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:46:58.488 INFO [stderr]     |
Dec 13 20:46:58.488 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 20:46:58.488 INFO [stderr] 
Dec 13 20:46:58.488 INFO [stderr] warning: method is never used: `pick_up_brain`
Dec 13 20:46:58.488 INFO [stderr]    --> src/tank.rs:187:5
Dec 13 20:46:58.488 INFO [stderr]     |
Dec 13 20:46:58.488 INFO [stderr] 187 |     pub fn pick_up_brain(mut self) -> Option<Brain> {
Dec 13 20:46:58.488 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:46:58.488 INFO [stderr] 
Dec 13 20:46:58.488 INFO [stderr] warning: function is never used: `relu_af`
Dec 13 20:46:58.488 INFO [stderr]  --> src/brain.rs:7:1
Dec 13 20:46:58.488 INFO [stderr]   |
Dec 13 20:46:58.488 INFO [stderr] 7 | pub fn relu_af(x: f64) -> f64 {
Dec 13 20:46:58.488 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:46:58.488 INFO [stderr] 
Dec 13 20:46:58.488 INFO [stderr] warning: method is never used: `fuck`
Dec 13 20:46:58.488 INFO [stderr]    --> src/brain.rs:110:5
Dec 13 20:46:58.488 INFO [stderr]     |
Dec 13 20:46:58.488 INFO [stderr] 110 |     pub fn fuck(&self, partner: &Layer) -> (Layer, Layer) {
Dec 13 20:46:58.488 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:46:58.488 INFO [stderr] 
Dec 13 20:46:58.488 INFO [stderr] warning: method is never used: `fuck`
Dec 13 20:46:58.488 INFO [stderr]    --> src/brain.rs:211:5
Dec 13 20:46:58.488 INFO [stderr]     |
Dec 13 20:46:58.488 INFO [stderr] 211 | /     pub fn fuck(&self, partner: &LayersChain)
Dec 13 20:46:58.488 INFO [stderr] 212 | |                 -> (LayersChain, LayersChain) {
Dec 13 20:46:58.488 INFO [stderr] 213 | |         assert!(self.layers.len() == partner.layers.len());
Dec 13 20:46:58.488 INFO [stderr] 214 | |         let mut ls1 = Vec::with_capacity(self.layers.len());
Dec 13 20:46:58.488 INFO [stderr] ...   |
Dec 13 20:46:58.488 INFO [stderr] 221 | |         (LayersChain{layers: ls1}, LayersChain{layers: ls2})
Dec 13 20:46:58.488 INFO [stderr] 222 | |     }
Dec 13 20:46:58.488 INFO [stderr]     | |_____^
Dec 13 20:46:58.488 INFO [stderr] 
Dec 13 20:46:58.488 INFO [stderr] warning: method is never used: `fuck`
Dec 13 20:46:58.488 INFO [stderr]    --> src/brain.rs:277:5
Dec 13 20:46:58.488 INFO [stderr]     |
Dec 13 20:46:58.488 INFO [stderr] 277 | /     pub fn fuck(&self, partner: &Brain)
Dec 13 20:46:58.488 INFO [stderr] 278 | |                 -> (Brain, Brain)
Dec 13 20:46:58.488 INFO [stderr] 279 | |     {
Dec 13 20:46:58.488 INFO [stderr] 280 | |         let (rc1, rc2) = self.result_chain
Dec 13 20:46:58.488 INFO [stderr] ...   |
Dec 13 20:46:58.488 INFO [stderr] 297 | |
Dec 13 20:46:58.488 INFO [stderr] 298 | |     }
Dec 13 20:46:58.488 INFO [stderr]     | |_____^
Dec 13 20:46:58.488 INFO [stderr] 
Dec 13 20:47:07.095 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 22s
Dec 13 20:47:07.106 INFO [stderr] su: No module specific data is present
Dec 13 20:47:07.798 INFO running `"docker" "inspect" "4d5f1267407913d1f02b9dd2af282540920f0145dcc6506fc2fea01750cb0e29"`
Dec 13 20:47:08.173 INFO running `"docker" "rm" "-f" "4d5f1267407913d1f02b9dd2af282540920f0145dcc6506fc2fea01750cb0e29"`
Dec 13 20:47:08.570 INFO [stdout] 4d5f1267407913d1f02b9dd2af282540920f0145dcc6506fc2fea01750cb0e29
Dec 13 20:47:08.579 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen --no-run" "-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 13 20:47:09.039 INFO [stdout] 61652a33dfd50a6bf6967055b5dcf7b057fb161017791554791683adca7c1c82
Dec 13 20:47:09.043 INFO running `"docker" "start" "-a" "61652a33dfd50a6bf6967055b5dcf7b057fb161017791554791683adca7c1c82"`
Dec 13 20:47:09.988 INFO [stderr] usermod: no changes
Dec 13 20:47:10.203 INFO [stderr]    Compiling arena v0.1.0 (/source)
Dec 13 20:47:14.099 INFO [stderr] warning: unused import: `std::mem`
Dec 13 20:47:14.099 INFO [stderr]   --> src/tank.rs:13:5
Dec 13 20:47:14.099 INFO [stderr]    |
Dec 13 20:47:14.099 INFO [stderr] 13 | use std::mem;
Dec 13 20:47:14.099 INFO [stderr]    |     ^^^^^^^^
Dec 13 20:47:14.099 INFO [stderr]    |
Dec 13 20:47:14.099 INFO [stderr]    = note: #[warn(unused_imports)] on by default
Dec 13 20:47:14.099 INFO [stderr] 
Dec 13 20:47:14.498 INFO [stderr] warning: method is never used: `give_brain`
Dec 13 20:47:14.498 INFO [stderr]    --> src/tank.rs:183:5
Dec 13 20:47:14.498 INFO [stderr]     |
Dec 13 20:47:14.498 INFO [stderr] 183 |     pub fn give_brain(&mut self, brain: Brain) {
Dec 13 20:47:14.498 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:47:14.498 INFO [stderr]     |
Dec 13 20:47:14.498 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 13 20:47:14.498 INFO [stderr] 
Dec 13 20:47:14.498 INFO [stderr] warning: method is never used: `pick_up_brain`
Dec 13 20:47:14.498 INFO [stderr]    --> src/tank.rs:187:5
Dec 13 20:47:14.498 INFO [stderr]     |
Dec 13 20:47:14.498 INFO [stderr] 187 |     pub fn pick_up_brain(mut self) -> Option<Brain> {
Dec 13 20:47:14.498 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:47:14.498 INFO [stderr] 
Dec 13 20:47:14.498 INFO [stderr] warning: function is never used: `relu_af`
Dec 13 20:47:14.498 INFO [stderr]  --> src/brain.rs:7:1
Dec 13 20:47:14.498 INFO [stderr]   |
Dec 13 20:47:14.498 INFO [stderr] 7 | pub fn relu_af(x: f64) -> f64 {
Dec 13 20:47:14.498 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:47:14.498 INFO [stderr] 
Dec 13 20:47:14.498 INFO [stderr] warning: method is never used: `fuck`
Dec 13 20:47:14.498 INFO [stderr]    --> src/brain.rs:110:5
Dec 13 20:47:14.498 INFO [stderr]     |
Dec 13 20:47:14.498 INFO [stderr] 110 |     pub fn fuck(&self, partner: &Layer) -> (Layer, Layer) {
Dec 13 20:47:14.498 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 13 20:47:14.498 INFO [stderr] 
Dec 13 20:47:14.498 INFO [stderr] warning: method is never used: `fuck`
Dec 13 20:47:14.498 INFO [stderr]    --> src/brain.rs:211:5
Dec 13 20:47:14.498 INFO [stderr]     |
Dec 13 20:47:14.498 INFO [stderr] 211 | /     pub fn fuck(&self, partner: &LayersChain)
Dec 13 20:47:14.498 INFO [stderr] 212 | |                 -> (LayersChain, LayersChain) {
Dec 13 20:47:14.498 INFO [stderr] 213 | |         assert!(self.layers.len() == partner.layers.len());
Dec 13 20:47:14.498 INFO [stderr] 214 | |         let mut ls1 = Vec::with_capacity(self.layers.len());
Dec 13 20:47:14.498 INFO [stderr] ...   |
Dec 13 20:47:14.498 INFO [stderr] 221 | |         (LayersChain{layers: ls1}, LayersChain{layers: ls2})
Dec 13 20:47:14.498 INFO [stderr] 222 | |     }
Dec 13 20:47:14.498 INFO [stderr]     | |_____^
Dec 13 20:47:14.498 INFO [stderr] 
Dec 13 20:47:14.498 INFO [stderr] warning: method is never used: `fuck`
Dec 13 20:47:14.498 INFO [stderr]    --> src/brain.rs:277:5
Dec 13 20:47:14.498 INFO [stderr]     |
Dec 13 20:47:14.498 INFO [stderr] 277 | /     pub fn fuck(&self, partner: &Brain)
Dec 13 20:47:14.498 INFO [stderr] 278 | |                 -> (Brain, Brain)
Dec 13 20:47:14.498 INFO [stderr] 279 | |     {
Dec 13 20:47:14.498 INFO [stderr] 280 | |         let (rc1, rc2) = self.result_chain
Dec 13 20:47:14.498 INFO [stderr] ...   |
Dec 13 20:47:14.498 INFO [stderr] 297 | |
Dec 13 20:47:14.498 INFO [stderr] 298 | |     }
Dec 13 20:47:14.498 INFO [stderr]     | |_____^
Dec 13 20:47:14.499 INFO [stderr] 
Dec 13 20:47:14.812 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.81s
Dec 13 20:47:14.828 INFO [stderr] su: No module specific data is present
Dec 13 20:47:15.403 INFO running `"docker" "inspect" "61652a33dfd50a6bf6967055b5dcf7b057fb161017791554791683adca7c1c82"`
Dec 13 20:47:15.715 INFO running `"docker" "rm" "-f" "61652a33dfd50a6bf6967055b5dcf7b057fb161017791554791683adca7c1c82"`
Dec 13 20:47:16.051 INFO [stdout] 61652a33dfd50a6bf6967055b5dcf7b057fb161017791554791683adca7c1c82
Dec 13 20:47:16.057 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56550/worker-4/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56550/try#aa49d8ef14939ddec0e34b346b60174a5673d48f:/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 +aa49d8ef14939ddec0e34b346b60174a5673d48f-alt test --frozen" "-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 13 20:47:16.516 INFO [stdout] f6ce2d11d6e3634284c26d653962436abfd8356854ec6414605af2342f610567
Dec 13 20:47:16.518 INFO running `"docker" "start" "-a" "f6ce2d11d6e3634284c26d653962436abfd8356854ec6414605af2342f610567"`
Dec 13 20:47:17.557 INFO [stderr] usermod: no changes
Dec 13 20:47:17.798 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.23s
Dec 13 20:47:17.807 INFO [stderr]      Running /target/debug/deps/arena-3074ea3a79da4203
Dec 13 20:47:17.813 INFO [stdout] 
Dec 13 20:47:17.813 INFO [stdout] running 0 tests
Dec 13 20:47:17.813 INFO [stdout] 
Dec 13 20:47:17.813 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 13 20:47:17.813 INFO [stdout] 
Dec 13 20:47:17.814 INFO [stderr] su: No module specific data is present
Dec 13 20:47:18.251 INFO running `"docker" "inspect" "f6ce2d11d6e3634284c26d653962436abfd8356854ec6414605af2342f610567"`
Dec 13 20:47:18.499 INFO running `"docker" "rm" "-f" "f6ce2d11d6e3634284c26d653962436abfd8356854ec6414605af2342f610567"`
Dec 13 20:47:18.847 INFO [stdout] f6ce2d11d6e3634284c26d653962436abfd8356854ec6414605af2342f610567