Dec 17 21:40:58.533 INFO checking kbacha/enum_serde against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 21:40:58.533 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/kbacha/enum_serde:/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 21:40:58.896 INFO [stdout] 4ebef5b4a8747d26a39ccd514ca7f0aa5f990213b428c4f458d839094ea8abe0
Dec 17 21:40:58.904 INFO running `"docker" "start" "-a" "4ebef5b4a8747d26a39ccd514ca7f0aa5f990213b428c4f458d839094ea8abe0"`
Dec 17 21:41:00.448 INFO [stderr]     Checking serde v1.0.32
Dec 17 21:41:09.463 INFO [stderr]     Checking serde_json v1.0.11
Dec 17 21:41:11.170 INFO [stderr]     Checking enum_serde v0.1.0 (/opt/crater/workdir)
Dec 17 21:41:11.580 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.21s
Dec 17 21:41:11.999 INFO running `"docker" "inspect" "4ebef5b4a8747d26a39ccd514ca7f0aa5f990213b428c4f458d839094ea8abe0"`
Dec 17 21:41:12.122 INFO running `"docker" "rm" "-f" "4ebef5b4a8747d26a39ccd514ca7f0aa5f990213b428c4f458d839094ea8abe0"`
Dec 17 21:41:12.239 INFO [stdout] 4ebef5b4a8747d26a39ccd514ca7f0aa5f990213b428c4f458d839094ea8abe0