Dec 05 10:05:21.731 INFO checking nbd-0.2.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 10:05:21.731 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 10:05:22.004 INFO [stdout] bfb2927bed4f1fd35fdf843f26c8e4fdabcde62f620a6f68f8465d3068d6e754
Dec 05 10:05:22.013 INFO running `"docker" "start" "-a" "bfb2927bed4f1fd35fdf843f26c8e4fdabcde62f620a6f68f8465d3068d6e754"`
Dec 05 10:05:23.590 INFO [stderr] usermod: no changes
Dec 05 10:05:23.743 INFO [stderr]     Checking pipe v0.0.3
Dec 05 10:05:23.743 INFO [stderr]     Checking readwrite v0.1.1
Dec 05 10:05:23.760 INFO [stderr]     Checking nbd v0.2.1 (/source)
Dec 05 10:05:23.761 INFO [stderr]     Checking proptest v0.8.7
Dec 05 10:05:35.820 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.19s
Dec 05 10:05:35.821 INFO [stderr] su: No module specific data is present
Dec 05 10:05:36.341 INFO running `"docker" "inspect" "bfb2927bed4f1fd35fdf843f26c8e4fdabcde62f620a6f68f8465d3068d6e754"`
Dec 05 10:05:36.623 INFO running `"docker" "rm" "-f" "bfb2927bed4f1fd35fdf843f26c8e4fdabcde62f620a6f68f8465d3068d6e754"`
Dec 05 10:05:36.966 INFO [stdout] bfb2927bed4f1fd35fdf843f26c8e4fdabcde62f620a6f68f8465d3068d6e754