Dec 18 17:06:56.889 INFO checking derive_builder_core-0.4.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:06:56.889 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/derive_builder_core/0.4.0:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 17:06:57.149 INFO [stdout] f894f2155c82ed3a101583adca4eb2b43fa52782e36947ba331dfecfabf0db61
Dec 18 17:06:57.154 INFO running `"docker" "start" "-a" "f894f2155c82ed3a101583adca4eb2b43fa52782e36947ba331dfecfabf0db61"`
Dec 18 17:06:58.369 INFO [stderr]     Checking darling_core v0.8.1
Dec 18 17:07:00.657 INFO [stderr]     Checking darling v0.8.1
Dec 18 17:07:01.104 INFO [stderr]     Checking derive_builder_core v0.4.0 (/opt/crater/workdir)
Dec 18 17:07:03.884 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.63s
Dec 18 17:07:04.858 INFO running `"docker" "inspect" "f894f2155c82ed3a101583adca4eb2b43fa52782e36947ba331dfecfabf0db61"`
Dec 18 17:07:05.218 INFO running `"docker" "rm" "-f" "f894f2155c82ed3a101583adca4eb2b43fa52782e36947ba331dfecfabf0db61"`
Dec 18 17:07:05.464 INFO [stdout] f894f2155c82ed3a101583adca4eb2b43fa52782e36947ba331dfecfabf0db61