Dec 18 06:50:50.539 INFO checking LEARAX/pack_2048 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 06:50:50.539 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/LEARAX/pack_2048:/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 06:50:51.048 INFO [stdout] 8a804cbef88db14873804aa650a59f1c55c21b20ca720d15880b60290cb61f9e
Dec 18 06:50:51.056 INFO running `"docker" "start" "-a" "8a804cbef88db14873804aa650a59f1c55c21b20ca720d15880b60290cb61f9e"`
Dec 18 06:50:52.948 INFO [stderr]     Checking termion v1.5.1
Dec 18 06:50:52.949 INFO [stderr]     Checking rand v0.5.4
Dec 18 06:50:55.621 INFO [stderr]     Checking pack_2048 v0.4.4 (/opt/crater/workdir)
Dec 18 06:50:57.824 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.95s
Dec 18 06:50:58.632 INFO running `"docker" "inspect" "8a804cbef88db14873804aa650a59f1c55c21b20ca720d15880b60290cb61f9e"`
Dec 18 06:50:59.006 INFO running `"docker" "rm" "-f" "8a804cbef88db14873804aa650a59f1c55c21b20ca720d15880b60290cb61f9e"`
Dec 18 06:50:59.311 INFO [stdout] 8a804cbef88db14873804aa650a59f1c55c21b20ca720d15880b60290cb61f9e