Dec 19 06:59:18.391 INFO checking tlowry/rust-ai-samples against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 06:59:18.392 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-4/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/tlowry/rust-ai-samples:/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 06:59:18.998 INFO [stdout] 32bbb08b39b08f6ac1fb29620e8c360a64c2329c18ff12fb3478d185a87680dd
Dec 19 06:59:19.002 INFO running `"docker" "start" "-a" "32bbb08b39b08f6ac1fb29620e8c360a64c2329c18ff12fb3478d185a87680dd"`
Dec 19 06:59:22.238 INFO [stderr]     Checking lazy_static v0.1.16
Dec 19 06:59:22.238 INFO [stderr]     Checking bitflags v0.6.0
Dec 19 06:59:22.238 INFO [stderr]     Checking piston-float v0.2.0
Dec 19 06:59:22.279 INFO [stderr]     Checking piston-shaders_graphics2d v0.2.1
Dec 19 06:59:22.280 INFO [stderr]    Compiling rand v0.3.19
Dec 19 06:59:22.282 INFO [stderr]    Compiling miniz-sys v0.1.10
Dec 19 06:59:22.283 INFO [stderr]     Checking itertools v0.7.8
Dec 19 06:59:22.870 INFO [stderr]     Checking num_cpus v1.8.0
Dec 19 06:59:23.134 INFO [stderr]     Checking time v0.1.39
Dec 19 06:59:23.165 INFO [stderr]    Compiling wayland-scanner v0.5.11
Dec 19 06:59:23.202 INFO [stderr]     Checking draw_state v0.6.0
Dec 19 06:59:24.291 INFO [stderr]     Checking piston-viewport v0.2.0
Dec 19 06:59:25.367 INFO [stderr]     Checking vecmath v0.2.0
Dec 19 06:59:25.562 INFO [stderr]    Compiling gl_generator v0.6.1
Dec 19 06:59:27.630 INFO [stderr]    Compiling gl_generator v0.5.5
Dec 19 06:59:28.750 INFO [stderr]     Checking x11-dl v2.17.2
Dec 19 06:59:29.238 INFO [stderr]     Checking pistoncore-input v0.14.0
Dec 19 06:59:32.198 INFO [stderr]     Checking gfx_core v0.4.0
Dec 19 06:59:36.453 INFO [stderr]     Checking piston2d-graphics v0.17.3
Dec 19 06:59:36.636 INFO [stderr]     Checking memmap v0.2.3
Dec 19 06:59:42.970 INFO [stderr]     Checking rayon-core v1.3.0
Dec 19 06:59:42.970 INFO [stderr]     Checking num-bigint v0.1.41
Dec 19 06:59:43.001 INFO [stderr]     Checking tempfile v2.2.0
Dec 19 06:59:43.002 INFO [stderr]     Checking ndarray v0.12.0
Dec 19 06:59:43.510 INFO [stderr]    Compiling wayland-client v0.5.12
Dec 19 06:59:44.123 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 19 06:59:45.136 INFO [stderr]     Checking pistoncore-window v0.22.1
Dec 19 06:59:45.528 INFO [stderr]    Compiling gl v0.6.5
Dec 19 06:59:45.748 INFO [stderr]    Compiling gfx_gl v0.3.1
Dec 19 06:59:53.944 INFO [stderr]    Compiling glutin v0.6.2
Dec 19 06:59:54.170 INFO [stderr]     Checking flate2 v0.2.20
Dec 19 06:59:54.188 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 19 06:59:54.994 INFO [stderr]     Checking rayon v0.8.2
Dec 19 06:59:55.148 INFO [stderr]     Checking pistoncore-event_loop v0.25.1
Dec 19 06:59:59.852 INFO [stderr]     Checking num-rational v0.1.40
Dec 19 06:59:59.928 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 19 06:59:59.940 INFO [stderr]     Checking piston v0.25.1
Dec 19 07:00:05.277 INFO [stderr]     Checking png v0.5.2
Dec 19 07:00:07.298 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 19 07:00:12.140 INFO [stderr]     Checking image v0.10.4
Dec 19 07:00:34.889 INFO [stderr]    Compiling libloading v0.3.4
Dec 19 07:00:37.020 INFO [stderr]     Checking gfx v0.12.2
Dec 19 07:00:37.020 INFO [stderr]     Checking gfx_device_gl v0.11.2
Dec 19 07:00:37.552 INFO [stderr]     Checking dlib v0.3.1
Dec 19 07:00:37.968 INFO [stderr]     Checking wayland-sys v0.5.11
Dec 19 07:00:40.684 INFO [stderr]     Checking wayland-kbd v0.3.6
Dec 19 07:00:40.684 INFO [stderr]     Checking wayland-window v0.2.3
Dec 19 07:00:43.454 INFO [stderr]     Checking piston-gfx_texture v0.17.0
Dec 19 07:00:44.473 INFO [stderr]     Checking piston2d-gfx_graphics v0.31.2
Dec 19 07:00:46.035 INFO [stderr]     Checking pistoncore-glutin_window v0.29.0
Dec 19 07:00:46.871 INFO [stderr]     Checking piston_window v0.52.0
Dec 19 07:00:47.573 INFO [stderr]     Checking dataplotlib v0.1.3
Dec 19 07:00:48.166 INFO [stderr]     Checking rust-ai-samples v0.1.0 (/opt/crater/workdir)
Dec 19 07:00:48.954 INFO [stderr] warning: function is never used: `sigmoid`
Dec 19 07:00:48.955 INFO [stderr]   --> src/main.rs:25:1
Dec 19 07:00:48.955 INFO [stderr]    |
Dec 19 07:00:48.955 INFO [stderr] 25 | fn sigmoid(input: f64) -> f64 {
Dec 19 07:00:48.956 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:48.956 INFO [stderr]    |
Dec 19 07:00:48.956 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:00:48.957 INFO [stderr] 
Dec 19 07:00:48.980 INFO [stderr] warning: function is never used: `sigmoid`
Dec 19 07:00:48.981 INFO [stderr]   --> src/main.rs:25:1
Dec 19 07:00:48.981 INFO [stderr]    |
Dec 19 07:00:48.982 INFO [stderr] 25 | fn sigmoid(input: f64) -> f64 {
Dec 19 07:00:48.982 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:00:48.982 INFO [stderr]    |
Dec 19 07:00:48.983 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 07:00:48.983 INFO [stderr] 
Dec 19 07:00:49.061 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
Dec 19 07:00:50.691 INFO running `"docker" "inspect" "32bbb08b39b08f6ac1fb29620e8c360a64c2329c18ff12fb3478d185a87680dd"`
Dec 19 07:00:51.034 INFO running `"docker" "rm" "-f" "32bbb08b39b08f6ac1fb29620e8c360a64c2329c18ff12fb3478d185a87680dd"`
Dec 19 07:00:51.327 INFO [stdout] 32bbb08b39b08f6ac1fb29620e8c360a64c2329c18ff12fb3478d185a87680dd