Dec 18 13:01:34.535 INFO checking piston-0.39.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 13:01:34.535 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/0.39.0:/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 13:01:34.726 INFO [stdout] 1a28f3908083f874bfd1115c899fdf284becfd6fd21b3f81a74d7345019501c2
Dec 18 13:01:34.728 INFO running `"docker" "start" "-a" "1a28f3908083f874bfd1115c899fdf284becfd6fd21b3f81a74d7345019501c2"`
Dec 18 13:01:35.261 INFO [stderr]     Checking pistoncore-window v0.34.0
Dec 18 13:01:36.008 INFO [stderr]     Checking pistoncore-event_loop v0.39.0
Dec 18 13:01:36.854 INFO [stderr]     Checking piston v0.39.0 (/opt/crater/workdir)
Dec 18 13:01:37.800 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
Dec 18 13:01:38.097 INFO running `"docker" "inspect" "1a28f3908083f874bfd1115c899fdf284becfd6fd21b3f81a74d7345019501c2"`
Dec 18 13:01:38.185 INFO running `"docker" "rm" "-f" "1a28f3908083f874bfd1115c899fdf284becfd6fd21b3f81a74d7345019501c2"`
Dec 18 13:01:38.332 INFO [stdout] 1a28f3908083f874bfd1115c899fdf284becfd6fd21b3f81a74d7345019501c2