Dec 19 08:19:10.625 INFO checking splintah/perceptron against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 08:19:10.625 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-7/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/splintah/perceptron:/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 08:19:10.983 INFO [stdout] 0ebd692ad6c3264f073a401299deef7e6bd114401a3a5935f0c87c8e570b77bf
Dec 19 08:19:10.986 INFO running `"docker" "start" "-a" "0ebd692ad6c3264f073a401299deef7e6bd114401a3a5935f0c87c8e570b77bf"`
Dec 19 08:19:12.831 INFO [stderr]    Compiling libc v0.2.33
Dec 19 08:19:12.870 INFO [stderr]     Checking num_cpus v1.7.0
Dec 19 08:19:12.870 INFO [stderr]     Checking shared_library v0.1.8
Dec 19 08:19:12.870 INFO [stderr]     Checking tempfile v2.2.0
Dec 19 08:19:12.884 INFO [stderr]     Checking x11-dl v2.17.1
Dec 19 08:19:12.886 INFO [stderr]     Checking fs2 v0.2.5
Dec 19 08:19:12.890 INFO [stderr]     Checking pistoncore-input v0.20.0
Dec 19 08:19:13.668 INFO [stderr]     Checking memmap v0.4.0
Dec 19 08:19:13.672 INFO [stderr]     Checking osmesa-sys v0.1.2
Dec 19 08:19:13.672 INFO [stderr]     Checking rayon-core v1.3.0
Dec 19 08:19:15.584 INFO [stderr]     Checking rayon v0.8.2
Dec 19 08:19:15.870 INFO [stderr]    Compiling rand v0.3.18
Dec 19 08:19:20.772 INFO [stderr]    Compiling phf_generator v0.7.21
Dec 19 08:19:21.433 INFO [stderr]     Checking jpeg-decoder v0.1.13
Dec 19 08:19:21.494 INFO [stderr]    Compiling phf_codegen v0.7.21
Dec 19 08:19:21.538 INFO [stderr]     Checking pistoncore-window v0.30.0
Dec 19 08:19:22.165 INFO [stderr]    Compiling target_build_utils v0.3.1
Dec 19 08:19:23.149 INFO [stderr]     Checking pistoncore-event_loop v0.35.0
Dec 19 08:19:23.986 INFO [stderr]     Checking image v0.18.0
Dec 19 08:19:24.440 INFO [stderr]     Checking piston v0.35.0
Dec 19 08:19:32.607 INFO [stderr]     Checking piston-gfx_texture v0.30.0
Dec 19 08:19:34.061 INFO [stderr]     Checking piston2d-gfx_graphics v0.47.0
Dec 19 08:19:38.173 INFO [stderr]    Compiling libloading v0.3.4
Dec 19 08:19:40.174 INFO [stderr]     Checking dlib v0.3.1
Dec 19 08:19:40.388 INFO [stderr]     Checking wayland-sys v0.9.10
Dec 19 08:19:40.796 INFO [stderr]     Checking wayland-client v0.9.10
Dec 19 08:19:42.452 INFO [stderr]     Checking wayland-protocols v0.9.10
Dec 19 08:19:42.465 INFO [stderr]     Checking wayland-kbd v0.9.1
Dec 19 08:19:45.076 INFO [stderr]     Checking wayland-window v0.8.0
Dec 19 08:19:45.559 INFO [stderr]     Checking winit v0.8.3
Dec 19 08:19:47.177 INFO [stderr]     Checking glutin v0.10.1
Dec 19 08:19:48.469 INFO [stderr]     Checking pistoncore-glutin_window v0.43.0
Dec 19 08:19:48.981 INFO [stderr]     Checking piston_window v0.74.0
Dec 19 08:19:49.694 INFO [stderr]     Checking perceptron v0.1.0 (/opt/crater/workdir)
Dec 19 08:19:51.143 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.64s
Dec 19 08:19:52.588 INFO running `"docker" "inspect" "0ebd692ad6c3264f073a401299deef7e6bd114401a3a5935f0c87c8e570b77bf"`
Dec 19 08:19:52.928 INFO running `"docker" "rm" "-f" "0ebd692ad6c3264f073a401299deef7e6bd114401a3a5935f0c87c8e570b77bf"`
Dec 19 08:19:53.281 INFO [stdout] 0ebd692ad6c3264f073a401299deef7e6bd114401a3a5935f0c87c8e570b77bf