Dec 17 20:21:57.169 INFO checking luxn/flut against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 20:21:57.169 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/luxn/flut:/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 17 20:21:57.681 INFO [stdout] fae1d27a99c3a0ccf03f9b9f6ba91d019d7d7a5419354eb839d36353f19bb184
Dec 17 20:21:57.683 INFO running `"docker" "start" "-a" "fae1d27a99c3a0ccf03f9b9f6ba91d019d7d7a5419354eb839d36353f19bb184"`
Dec 17 20:22:00.090 INFO [stderr]     Checking half v1.3.0
Dec 17 20:22:00.091 INFO [stderr]     Checking serde_yaml v0.8.7
Dec 17 20:22:00.584 INFO [stderr]     Checking serde_cbor v0.9.0
Dec 17 20:22:02.217 INFO [stderr]     Checking flut v0.1.0 (/opt/crater/workdir)
Dec 17 20:22:02.830 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.83s
Dec 17 20:22:04.269 INFO running `"docker" "inspect" "fae1d27a99c3a0ccf03f9b9f6ba91d019d7d7a5419354eb839d36353f19bb184"`
Dec 17 20:22:04.510 INFO running `"docker" "rm" "-f" "fae1d27a99c3a0ccf03f9b9f6ba91d019d7d7a5419354eb839d36353f19bb184"`
Dec 17 20:22:04.858 INFO [stdout] fae1d27a99c3a0ccf03f9b9f6ba91d019d7d7a5419354eb839d36353f19bb184