Dec 04 23:37:58.352 INFO checking UnlawfulMonad/regtest against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 23:37:58.352 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 04 23:37:58.747 INFO [stdout] a7895de32e1f4aed2c5005c6d31043449d4b11af8e34d44fee2c36d102a11d79
Dec 04 23:37:58.755 INFO running `"docker" "start" "-a" "a7895de32e1f4aed2c5005c6d31043449d4b11af8e34d44fee2c36d102a11d79"`
Dec 04 23:37:59.827 INFO [stderr] usermod: no changes
Dec 04 23:37:59.947 INFO [stderr]     Checking nix v0.5.1
Dec 04 23:37:59.955 INFO [stderr]     Checking regex v1.0.1
Dec 04 23:38:04.466 INFO [stderr]     Checking rustyline v1.0.0
Dec 04 23:38:05.591 INFO [stderr]     Checking regtest v0.3.5 (/source)
Dec 04 23:38:07.931 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.05s
Dec 04 23:38:07.939 INFO [stderr] su: No module specific data is present
Dec 04 23:38:08.347 INFO running `"docker" "inspect" "a7895de32e1f4aed2c5005c6d31043449d4b11af8e34d44fee2c36d102a11d79"`
Dec 04 23:38:08.735 INFO running `"docker" "rm" "-f" "a7895de32e1f4aed2c5005c6d31043449d4b11af8e34d44fee2c36d102a11d79"`
Dec 04 23:38:09.019 INFO [stdout] a7895de32e1f4aed2c5005c6d31043449d4b11af8e34d44fee2c36d102a11d79