Dec 18 10:35:55.622 INFO checking symbolic-unreal-5.7.2 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 10:35:55.622 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/reg/symbolic-unreal/5.7.2:/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 10:35:56.068 INFO [stdout] 29a8275185e79105f56389136f512c50a3a1323978847822298ad159cb61f3a7
Dec 18 10:35:56.072 INFO running `"docker" "start" "-a" "29a8275185e79105f56389136f512c50a3a1323978847822298ad159cb61f3a7"`
Dec 18 10:35:56.882 INFO [stderr]     Checking symbolic-testutils v5.7.4
Dec 18 10:35:56.885 INFO [stderr]     Checking compress v0.1.2
Dec 18 10:35:58.256 INFO [stderr]     Checking symbolic-unreal v5.7.2 (/opt/crater/workdir)
Dec 18 10:36:00.204 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.39s
Dec 18 10:36:01.004 INFO running `"docker" "inspect" "29a8275185e79105f56389136f512c50a3a1323978847822298ad159cb61f3a7"`
Dec 18 10:36:01.290 INFO running `"docker" "rm" "-f" "29a8275185e79105f56389136f512c50a3a1323978847822298ad159cb61f3a7"`
Dec 18 10:36:01.580 INFO [stdout] 29a8275185e79105f56389136f512c50a3a1323978847822298ad159cb61f3a7