Dec 19 20:27:48.196 INFO checking anmej/piston-falling-sand-prototype against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 20:27:48.197 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/anmej/piston-falling-sand-prototype:/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 20:27:48.536 INFO [stdout] b513a621325f915861c42a6cc2872d3299e192624e9591660812222c478b4dda
Dec 19 20:27:48.543 INFO running `"docker" "start" "-a" "b513a621325f915861c42a6cc2872d3299e192624e9591660812222c478b4dda"`
Dec 19 20:27:49.836 INFO [stderr]     Checking piston-gfx_texture v0.24.0
Dec 19 20:27:50.948 INFO [stderr]     Checking piston2d-gfx_graphics v0.40.0
Dec 19 20:27:53.244 INFO [stderr]     Checking piston_window v0.66.0
Dec 19 20:27:54.332 INFO [stderr]     Checking falling_sand v0.1.0 (/opt/crater/workdir)
Dec 19 20:27:55.621 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.06s
Dec 19 20:27:56.090 INFO running `"docker" "inspect" "b513a621325f915861c42a6cc2872d3299e192624e9591660812222c478b4dda"`
Dec 19 20:27:56.316 INFO running `"docker" "rm" "-f" "b513a621325f915861c42a6cc2872d3299e192624e9591660812222c478b4dda"`
Dec 19 20:27:56.539 INFO [stdout] b513a621325f915861c42a6cc2872d3299e192624e9591660812222c478b4dda