Dec 18 17:07:08.853 INFO checking derive-serialize-into-0.3.1 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 17:07:08.853 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-7/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/derive-serialize-into/0.3.1:/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 17:07:09.197 INFO [stdout] 419899fc440bda312c57abe79682ae1a02e19998dfdf489f3ba0aa0a76c54f8a
Dec 18 17:07:09.199 INFO running `"docker" "start" "-a" "419899fc440bda312c57abe79682ae1a02e19998dfdf489f3ba0aa0a76c54f8a"`
Dec 18 17:07:11.164 INFO [stderr]    Compiling derive-serialize-into v0.3.1 (/opt/crater/workdir)
Dec 18 17:07:11.184 INFO [stderr]     Checking card-validate v2.2.1
Dec 18 17:07:12.596 INFO [stderr]     Checking validator v0.6.3
Dec 18 17:07:16.039 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.02s
Dec 18 17:07:16.962 INFO running `"docker" "inspect" "419899fc440bda312c57abe79682ae1a02e19998dfdf489f3ba0aa0a76c54f8a"`
Dec 18 17:07:17.236 INFO running `"docker" "rm" "-f" "419899fc440bda312c57abe79682ae1a02e19998dfdf489f3ba0aa0a76c54f8a"`
Dec 18 17:07:17.516 INFO [stdout] 419899fc440bda312c57abe79682ae1a02e19998dfdf489f3ba0aa0a76c54f8a