Dec 18 13:01:12.911 INFO checking piston-timer_controller-0.15.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:01:12.911 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/piston-timer_controller/0.15.0:/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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 13:01:13.444 INFO [stdout] 4d5053552526b1bf76d4d15697da3384e6eddde29e8e2e04c61951b9b4a00d3a
Dec 18 13:01:13.446 INFO running `"docker" "start" "-a" "4d5053552526b1bf76d4d15697da3384e6eddde29e8e2e04c61951b9b4a00d3a"`
Dec 18 13:01:14.972 INFO [stderr]     Checking piston-viewport v0.5.0
Dec 18 13:01:15.340 INFO [stderr]     Checking pistoncore-input v0.23.0
Dec 18 13:01:18.297 INFO [stderr]     Checking piston-timer_controller v0.15.0 (/opt/crater/workdir)
Dec 18 13:01:19.212 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.28s
Dec 18 13:01:19.610 INFO running `"docker" "inspect" "4d5053552526b1bf76d4d15697da3384e6eddde29e8e2e04c61951b9b4a00d3a"`
Dec 18 13:01:19.736 INFO running `"docker" "rm" "-f" "4d5053552526b1bf76d4d15697da3384e6eddde29e8e2e04c61951b9b4a00d3a"`
Dec 18 13:01:19.909 INFO [stdout] 4d5053552526b1bf76d4d15697da3384e6eddde29e8e2e04c61951b9b4a00d3a