Dec 19 16:05:05.983 INFO checking hilben/ffi_rust against master#d99a320cba42f661aebfa1293b7b2ec3603dda75 for pr-56955
Dec 19 16:05:05.983 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/master#d99a320cba42f661aebfa1293b7b2ec3603dda75:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/master#d99a320cba42f661aebfa1293b7b2ec3603dda75/gh/hilben/ffi_rust:/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" "+d99a320cba42f661aebfa1293b7b2ec3603dda75-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:05:06.412 INFO [stdout] 3f6916859647d4e9b7d9b06bafc03052465782753a90f34c4d102b8aa99beaeb
Dec 19 16:05:06.432 INFO running `"docker" "start" "-a" "3f6916859647d4e9b7d9b06bafc03052465782753a90f34c4d102b8aa99beaeb"`
Dec 19 16:05:07.652 INFO [stderr] warning: path `/opt/crater/workdir/src/test.rs` was erroneously implicitly accepted for library `test`,
Dec 19 16:05:07.652 INFO [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
Dec 19 16:05:07.653 INFO [stderr]     Checking test v0.1.0 (/opt/crater/workdir)
Dec 19 16:05:08.013 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
Dec 19 16:05:08.746 INFO running `"docker" "inspect" "3f6916859647d4e9b7d9b06bafc03052465782753a90f34c4d102b8aa99beaeb"`
Dec 19 16:05:09.044 INFO running `"docker" "rm" "-f" "3f6916859647d4e9b7d9b06bafc03052465782753a90f34c4d102b8aa99beaeb"`
Dec 19 16:05:09.452 INFO [stdout] 3f6916859647d4e9b7d9b06bafc03052465782753a90f34c4d102b8aa99beaeb