Dec 04 11:03:17.940 INFO checking ruuda/filebuffer against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 11:03:17.941 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/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 11:03:18.202 INFO [stdout] 3a682cf53b3562a70c97d5a585296e4913337c9cc24cbc8611f29a515f9c8b86
Dec 04 11:03:18.205 INFO running `"docker" "start" "-a" "3a682cf53b3562a70c97d5a585296e4913337c9cc24cbc8611f29a515f9c8b86"`
Dec 04 11:03:18.607 INFO [stderr] usermod: no changes
Dec 04 11:03:18.714 INFO [stderr]     Checking gcc v0.3.35
Dec 04 11:03:18.714 INFO [stderr]    Compiling rust-crypto v0.2.36
Dec 04 11:03:18.714 INFO [stderr]     Checking rand v0.3.15
Dec 04 11:03:18.714 INFO [stderr]     Checking filebuffer v0.4.0 (/source)
Dec 04 11:03:18.714 INFO [stderr]     Checking time v0.1.35
Dec 04 11:03:26.927 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.30s
Dec 04 11:03:26.931 INFO [stderr] su: No module specific data is present
Dec 04 11:03:27.505 INFO running `"docker" "inspect" "3a682cf53b3562a70c97d5a585296e4913337c9cc24cbc8611f29a515f9c8b86"`
Dec 04 11:03:27.819 INFO running `"docker" "rm" "-f" "3a682cf53b3562a70c97d5a585296e4913337c9cc24cbc8611f29a515f9c8b86"`
Dec 04 11:03:28.290 INFO [stdout] 3a682cf53b3562a70c97d5a585296e4913337c9cc24cbc8611f29a515f9c8b86