Dec 05 14:23:53.930 INFO checking dual-0.2.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 14:23:53.930 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-7/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 14:23:54.387 INFO [stdout] 8776ebefef940fcab57211254b2052baaae37a891ce1d6dccc46fe21c65d74d2
Dec 05 14:23:54.389 INFO running `"docker" "start" "-a" "8776ebefef940fcab57211254b2052baaae37a891ce1d6dccc46fe21c65d74d2"`
Dec 05 14:23:55.853 INFO [stderr] usermod: no changes
Dec 05 14:23:55.880 INFO [stderr] warning: path `/source/src/dual.rs` was erroneously implicitly accepted for library `dual`,
Dec 05 14:23:55.880 INFO [stderr] please rename the file to `src/lib.rs` or set lib.path in Cargo.toml
Dec 05 14:23:55.926 INFO [stderr]     Checking dual v0.2.0 (/source)
Dec 05 14:23:57.136 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.27s
Dec 05 14:23:57.139 INFO [stderr] su: No module specific data is present
Dec 05 14:23:57.568 INFO running `"docker" "inspect" "8776ebefef940fcab57211254b2052baaae37a891ce1d6dccc46fe21c65d74d2"`
Dec 05 14:23:57.661 INFO running `"docker" "rm" "-f" "8776ebefef940fcab57211254b2052baaae37a891ce1d6dccc46fe21c65d74d2"`
Dec 05 14:23:57.833 INFO [stdout] 8776ebefef940fcab57211254b2052baaae37a891ce1d6dccc46fe21c65d74d2