Nov 30 08:06:51.850 INFO checking UnlawfulMonad/regtest against master#a49316ddc99d9d595193557fc899f6c52e4d9af9 for pr-56323
Nov 30 08:06:51.850 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56323/worker-4/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56323/master#a49316ddc99d9d595193557fc899f6c52e4d9af9:/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 +a49316ddc99d9d595193557fc899f6c52e4d9af9-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"`
Nov 30 08:06:52.661 INFO [stdout] 21bad07daf4b03e16da001f17130f706e8e61960127aed4a26b7e617b58aa686
Nov 30 08:06:52.663 INFO running `"docker" "start" "-a" "21bad07daf4b03e16da001f17130f706e8e61960127aed4a26b7e617b58aa686"`
Nov 30 08:06:54.257 INFO [stderr] usermod: no changes
Nov 30 08:06:54.441 INFO [stderr]     Checking memchr v2.0.1
Nov 30 08:06:54.441 INFO [stderr]     Checking nix v0.5.1
Nov 30 08:06:55.184 INFO [stderr]     Checking aho-corasick v0.6.4
Nov 30 08:06:56.413 INFO [stderr]     Checking regex v1.0.1
Nov 30 08:06:59.796 INFO [stderr]     Checking rustyline v1.0.0
Nov 30 08:07:01.256 INFO [stderr]     Checking regtest v0.3.5 (/source)
Nov 30 08:07:03.360 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.08s
Nov 30 08:07:03.366 INFO [stderr] su: No module specific data is present
Nov 30 08:07:04.274 INFO running `"docker" "inspect" "21bad07daf4b03e16da001f17130f706e8e61960127aed4a26b7e617b58aa686"`
Nov 30 08:07:04.462 INFO running `"docker" "rm" "-f" "21bad07daf4b03e16da001f17130f706e8e61960127aed4a26b7e617b58aa686"`
Nov 30 08:07:04.748 INFO [stdout] 21bad07daf4b03e16da001f17130f706e8e61960127aed4a26b7e617b58aa686