Dec 19 19:41:17.525 INFO checking bon-chi/my-alife against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 19:41:17.525 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-2/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/bon-chi/my-alife:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 19:41:17.872 INFO [stdout] fac988086728c68cbc2e7fa44c3b61ad6e7c2b9e0773469b028069d395e08c34
Dec 19 19:41:17.874 INFO running `"docker" "start" "-a" "fac988086728c68cbc2e7fa44c3b61ad6e7c2b9e0773469b028069d395e08c34"`
Dec 19 19:41:19.348 INFO [stderr]     Checking approx v0.3.0
Dec 19 19:41:19.372 INFO [stderr]    Compiling syn v0.15.18
Dec 19 19:41:19.419 INFO [stderr]     Checking ordered-float v0.5.2
Dec 19 19:41:19.421 INFO [stderr]     Checking parking_lot v0.6.3
Dec 19 19:41:19.424 INFO [stderr]     Checking png v0.12.0
Dec 19 19:41:19.424 INFO [stderr]     Checking ndarray-rand v0.7.0
Dec 19 19:41:19.425 INFO [stderr]     Checking num v0.2.0
Dec 19 19:41:19.426 INFO [stderr]     Checking failure v0.1.2
Dec 19 19:41:20.222 INFO [stderr]     Checking smithay-client-toolkit v0.2.6
Dec 19 19:41:21.248 INFO [stderr]     Checking alga v0.7.2
Dec 19 19:41:21.868 INFO [stderr]     Checking rusttype v0.5.2
Dec 19 19:41:22.584 INFO [stderr]     Checking winit v0.17.2
Dec 19 19:41:24.788 INFO [stderr]     Checking piston2d-graphics v0.27.0
Dec 19 19:41:27.238 INFO [stderr]     Checking nalgebra v0.16.10
Dec 19 19:41:27.592 INFO [stderr]     Checking winit v0.16.2
Dec 19 19:41:30.544 INFO [stderr]     Checking glutin v0.18.0
Dec 19 19:41:32.380 INFO [stderr]     Checking glutin v0.17.0
Dec 19 19:41:35.247 INFO [stderr]     Checking glium v0.22.0
Dec 19 19:41:44.189 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 19 19:41:44.189 INFO [stderr]    Compiling derivative v1.0.2
Dec 19 19:41:44.189 INFO [stderr]    Compiling num-derive v0.2.3
Dec 19 19:41:56.400 INFO [stderr]     Checking gfx_core v0.8.3
Dec 19 19:41:57.453 INFO [stderr]     Checking tiff v0.2.1
Dec 19 19:42:02.096 INFO [stderr]     Checking image v0.20.1
Dec 19 19:42:15.968 INFO [stderr]     Checking pistoncore-input v0.22.0
Dec 19 19:42:20.832 INFO [stderr]     Checking pistoncore-window v0.33.0
Dec 19 19:42:25.612 INFO [stderr]     Checking pistoncore-event_loop v0.38.0
Dec 19 19:42:25.612 INFO [stderr]     Checking pistoncore-glutin_window v0.49.0
Dec 19 19:42:27.817 INFO [stderr]     Checking piston v0.38.0
Dec 19 19:42:36.808 INFO [stderr]     Checking ncollide2d v0.17.1
Dec 19 19:42:41.865 INFO [stderr]     Checking gfx v0.17.1
Dec 19 19:42:41.866 INFO [stderr]     Checking gfx_device_gl v0.15.3
Dec 19 19:42:48.793 INFO [stderr]     Checking piston-gfx_texture v0.34.0
Dec 19 19:42:49.783 INFO [stderr]     Checking piston2d-gfx_graphics v0.53.0
Dec 19 19:42:52.044 INFO [stderr]     Checking piston_window v0.83.0
Dec 19 19:42:53.575 INFO [stderr]     Checking my-alife v0.1.0 (/opt/crater/workdir)
Dec 19 19:43:03.745 INFO [stderr] warning: unused import: `ShapeBuilder`
Dec 19 19:43:03.748 INFO [stderr]  --> src/main.rs:7:28
Dec 19 19:43:03.752 INFO [stderr]   |
Dec 19 19:43:03.752 INFO [stderr] 7 | use ndarray::{arr2, Array, ShapeBuilder};
Dec 19 19:43:03.752 INFO [stderr]   |                            ^^^^^^^^^^^^
Dec 19 19:43:03.768 INFO [stderr]   |
Dec 19 19:43:03.768 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:43:03.768 INFO [stderr] 
Dec 19 19:43:04.812 INFO [stderr] warning: unused variable: `a`
Dec 19 19:43:04.812 INFO [stderr]   --> src/main.rs:40:13
Dec 19 19:43:04.812 INFO [stderr]    |
Dec 19 19:43:04.812 INFO [stderr] 40 |     let mut a = arr2(&[[1, 2, 3, 4], [4, 5, 6, 4], [7, 8, 9, 4], [7, 8, 9, 4]]);
Dec 19 19:43:04.812 INFO [stderr]    |             ^ help: consider using `_a` instead
Dec 19 19:43:04.825 INFO [stderr]    |
Dec 19 19:43:04.825 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:43:04.825 INFO [stderr] 
Dec 19 19:43:04.825 INFO [stderr] warning: unused variable: `a`
Dec 19 19:43:04.825 INFO [stderr]   --> src/main.rs:45:9
Dec 19 19:43:04.825 INFO [stderr]    |
Dec 19 19:43:04.825 INFO [stderr] 45 |     let a = vec![vec![1, 2], vec![3, 4]].into_iter().flatten().collect::<Vec<u8>>();
Dec 19 19:43:04.825 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 19 19:43:04.825 INFO [stderr] 
Dec 19 19:43:04.825 INFO [stderr] warning: unused variable: `i`
Dec 19 19:43:04.825 INFO [stderr]   --> src/main.rs:61:9
Dec 19 19:43:04.825 INFO [stderr]    |
Dec 19 19:43:04.825 INFO [stderr] 61 |     for i in 0..height {
Dec 19 19:43:04.825 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 19:43:04.825 INFO [stderr] 
Dec 19 19:43:04.825 INFO [stderr] warning: unused variable: `j`
Dec 19 19:43:04.825 INFO [stderr]   --> src/main.rs:63:13
Dec 19 19:43:04.825 INFO [stderr]    |
Dec 19 19:43:04.825 INFO [stderr] 63 |         for j in 0..width {
Dec 19 19:43:04.825 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 19 19:43:04.825 INFO [stderr] 
Dec 19 19:43:04.898 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:43:04.898 INFO [stderr]   --> src/main.rs:40:9
Dec 19 19:43:04.899 INFO [stderr]    |
Dec 19 19:43:04.899 INFO [stderr] 40 |     let mut a = arr2(&[[1, 2, 3, 4], [4, 5, 6, 4], [7, 8, 9, 4], [7, 8, 9, 4]]);
Dec 19 19:43:04.899 INFO [stderr]    |         ----^
Dec 19 19:43:04.899 INFO [stderr]    |         |
Dec 19 19:43:04.899 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:43:04.907 INFO [stderr]    |
Dec 19 19:43:04.907 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:43:04.907 INFO [stderr] 
Dec 19 19:43:04.938 INFO [stderr] warning: function is never used: `to_matrix`
Dec 19 19:43:04.938 INFO [stderr]   --> src/main.rs:34:1
Dec 19 19:43:04.939 INFO [stderr]    |
Dec 19 19:43:04.939 INFO [stderr] 34 | fn to_matrix() {
Dec 19 19:43:04.939 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 19:43:04.954 INFO [stderr]    |
Dec 19 19:43:04.954 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:43:04.954 INFO [stderr] 
Dec 19 19:43:13.180 INFO [stderr] warning: unused import: `ShapeBuilder`
Dec 19 19:43:13.181 INFO [stderr]  --> src/main.rs:7:28
Dec 19 19:43:13.181 INFO [stderr]   |
Dec 19 19:43:13.181 INFO [stderr] 7 | use ndarray::{arr2, Array, ShapeBuilder};
Dec 19 19:43:13.181 INFO [stderr]   |                            ^^^^^^^^^^^^
Dec 19 19:43:13.182 INFO [stderr]   |
Dec 19 19:43:13.182 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 19:43:13.188 INFO [stderr] 
Dec 19 19:43:14.104 INFO [stderr] warning: unused variable: `a`
Dec 19 19:43:14.104 INFO [stderr]   --> src/main.rs:40:13
Dec 19 19:43:14.104 INFO [stderr]    |
Dec 19 19:43:14.104 INFO [stderr] 40 |     let mut a = arr2(&[[1, 2, 3, 4], [4, 5, 6, 4], [7, 8, 9, 4], [7, 8, 9, 4]]);
Dec 19 19:43:14.104 INFO [stderr]    |             ^ help: consider using `_a` instead
Dec 19 19:43:14.104 INFO [stderr]    |
Dec 19 19:43:14.104 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 19 19:43:14.104 INFO [stderr] 
Dec 19 19:43:14.104 INFO [stderr] warning: unused variable: `a`
Dec 19 19:43:14.104 INFO [stderr]   --> src/main.rs:45:9
Dec 19 19:43:14.104 INFO [stderr]    |
Dec 19 19:43:14.104 INFO [stderr] 45 |     let a = vec![vec![1, 2], vec![3, 4]].into_iter().flatten().collect::<Vec<u8>>();
Dec 19 19:43:14.104 INFO [stderr]    |         ^ help: consider using `_a` instead
Dec 19 19:43:14.104 INFO [stderr] 
Dec 19 19:43:14.104 INFO [stderr] warning: unused variable: `i`
Dec 19 19:43:14.104 INFO [stderr]   --> src/main.rs:61:9
Dec 19 19:43:14.104 INFO [stderr]    |
Dec 19 19:43:14.104 INFO [stderr] 61 |     for i in 0..height {
Dec 19 19:43:14.104 INFO [stderr]    |         ^ help: consider using `_i` instead
Dec 19 19:43:14.104 INFO [stderr] 
Dec 19 19:43:14.104 INFO [stderr] warning: unused variable: `j`
Dec 19 19:43:14.104 INFO [stderr]   --> src/main.rs:63:13
Dec 19 19:43:14.104 INFO [stderr]    |
Dec 19 19:43:14.104 INFO [stderr] 63 |         for j in 0..width {
Dec 19 19:43:14.104 INFO [stderr]    |             ^ help: consider using `_j` instead
Dec 19 19:43:14.104 INFO [stderr] 
Dec 19 19:43:14.120 INFO [stderr] warning: variable does not need to be mutable
Dec 19 19:43:14.120 INFO [stderr]   --> src/main.rs:40:9
Dec 19 19:43:14.120 INFO [stderr]    |
Dec 19 19:43:14.120 INFO [stderr] 40 |     let mut a = arr2(&[[1, 2, 3, 4], [4, 5, 6, 4], [7, 8, 9, 4], [7, 8, 9, 4]]);
Dec 19 19:43:14.120 INFO [stderr]    |         ----^
Dec 19 19:43:14.120 INFO [stderr]    |         |
Dec 19 19:43:14.120 INFO [stderr]    |         help: remove this `mut`
Dec 19 19:43:14.120 INFO [stderr]    |
Dec 19 19:43:14.120 INFO [stderr]    = note: #[warn(unused_mut)] on by default
Dec 19 19:43:14.120 INFO [stderr] 
Dec 19 19:43:14.120 INFO [stderr] warning: function is never used: `to_matrix`
Dec 19 19:43:14.120 INFO [stderr]   --> src/main.rs:34:1
Dec 19 19:43:14.120 INFO [stderr]    |
Dec 19 19:43:14.120 INFO [stderr] 34 | fn to_matrix() {
Dec 19 19:43:14.120 INFO [stderr]    | ^^^^^^^^^^^^^^
Dec 19 19:43:14.120 INFO [stderr]    |
Dec 19 19:43:14.120 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 19:43:14.120 INFO [stderr] 
Dec 19 19:43:14.776 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 55s
Dec 19 19:43:15.269 INFO running `"docker" "inspect" "fac988086728c68cbc2e7fa44c3b61ad6e7c2b9e0773469b028069d395e08c34"`
Dec 19 19:43:15.572 INFO running `"docker" "rm" "-f" "fac988086728c68cbc2e7fa44c3b61ad6e7c2b9e0773469b028069d395e08c34"`
Dec 19 19:43:15.856 INFO [stdout] fac988086728c68cbc2e7fa44c3b61ad6e7c2b9e0773469b028069d395e08c34