Dec 05 16:07:42.456 INFO checking blockbuffers-0.1.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 16:07:42.456 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-4/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 16:07:42.958 INFO [stdout] 8b837069d40e3b6da40c5944cc0b462526e77d899d4146a6e22995d485eba6a2
Dec 05 16:07:42.960 INFO running `"docker" "start" "-a" "8b837069d40e3b6da40c5944cc0b462526e77d899d4146a6e22995d485eba6a2"`
Dec 05 16:07:43.730 INFO [stderr] usermod: no changes
Dec 05 16:07:43.752 INFO [stderr] warning: only one of `license` or `license-file` is necessary
Dec 05 16:07:43.757 INFO [stderr]     Checking blockbuffers v0.1.0 (/source)
Dec 05 16:07:43.758 INFO [stderr]     Checking flatbuffers v0.5.0
Dec 05 16:07:45.782 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.04s
Dec 05 16:07:45.785 INFO [stderr] su: No module specific data is present
Dec 05 16:07:46.465 INFO running `"docker" "inspect" "8b837069d40e3b6da40c5944cc0b462526e77d899d4146a6e22995d485eba6a2"`
Dec 05 16:07:46.757 INFO running `"docker" "rm" "-f" "8b837069d40e3b6da40c5944cc0b462526e77d899d4146a6e22995d485eba6a2"`
Dec 05 16:07:47.099 INFO [stdout] 8b837069d40e3b6da40c5944cc0b462526e77d899d4146a6e22995d485eba6a2