Dec 18 09:09:48.968 INFO checking wtforms-derive-0.0.0 against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 09:09:48.968 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-5/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/reg/wtforms-derive/0.0.0:/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 09:09:49.465 INFO [stdout] 715ef1ce603e2df79fd94e796a7ae27561c3a23f382daffb848d8877c066e148
Dec 18 09:09:49.466 INFO running `"docker" "start" "-a" "715ef1ce603e2df79fd94e796a7ae27561c3a23f382daffb848d8877c066e148"`
Dec 18 09:09:51.616 INFO [stderr]     Checking syn v0.14.9
Dec 18 09:09:54.863 INFO [stderr]     Checking wtforms-derive v0.0.0 (/opt/crater/workdir)
Dec 18 09:09:55.448 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.89s
Dec 18 09:09:56.089 INFO running `"docker" "inspect" "715ef1ce603e2df79fd94e796a7ae27561c3a23f382daffb848d8877c066e148"`
Dec 18 09:09:56.370 INFO running `"docker" "rm" "-f" "715ef1ce603e2df79fd94e796a7ae27561c3a23f382daffb848d8877c066e148"`
Dec 18 09:09:56.588 INFO [stdout] 715ef1ce603e2df79fd94e796a7ae27561c3a23f382daffb848d8877c066e148