Dec 18 16:31:46.067 INFO checking field_types-1.1.0 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 16:31:46.067 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/field_types/1.1.0:/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 16:31:46.306 INFO [stdout] 66ddbd434b5a6d915a7daa2a0dbbdfb008e7580c6e282729976f0fbc3d270fba
Dec 18 16:31:46.308 INFO running `"docker" "start" "-a" "66ddbd434b5a6d915a7daa2a0dbbdfb008e7580c6e282729976f0fbc3d270fba"`
Dec 18 16:31:47.115 INFO [stderr]     Checking syn v0.15.23
Dec 18 16:31:47.115 INFO [stderr]    Compiling field_types v1.1.0 (/opt/crater/workdir)
Dec 18 16:31:47.115 INFO [stderr]    Compiling variant_count v1.0.0
Dec 18 16:31:51.558 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.55s
Dec 18 16:31:51.866 INFO running `"docker" "inspect" "66ddbd434b5a6d915a7daa2a0dbbdfb008e7580c6e282729976f0fbc3d270fba"`
Dec 18 16:31:51.953 INFO running `"docker" "rm" "-f" "66ddbd434b5a6d915a7daa2a0dbbdfb008e7580c6e282729976f0fbc3d270fba"`
Dec 18 16:31:52.066 INFO [stdout] 66ddbd434b5a6d915a7daa2a0dbbdfb008e7580c6e282729976f0fbc3d270fba