Dec 05 08:49:20.096 INFO checking protoc-grpcio-0.3.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:49:20.096 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-5/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 08:49:20.491 INFO [stdout] 2f3342bbc92b5cf1f02f4798c5cb4cf35cc5eaca908c4de9ff103f46f62c8535
Dec 05 08:49:20.493 INFO running `"docker" "start" "-a" "2f3342bbc92b5cf1f02f4798c5cb4cf35cc5eaca908c4de9ff103f46f62c8535"`
Dec 05 08:49:21.700 INFO [stderr] usermod: no changes
Dec 05 08:49:21.798 INFO [stderr]     Checking protoc v2.2.0
Dec 05 08:49:21.799 INFO [stderr]     Checking protobuf-codegen v2.0.5
Dec 05 08:49:23.470 INFO [stderr]     Checking grpcio-compiler v0.4.1
Dec 05 08:49:24.181 INFO [stderr]     Checking protoc-grpcio v0.3.1 (/source)
Dec 05 08:49:26.777 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.05s
Dec 05 08:49:26.782 INFO [stderr] su: No module specific data is present
Dec 05 08:49:27.285 INFO running `"docker" "inspect" "2f3342bbc92b5cf1f02f4798c5cb4cf35cc5eaca908c4de9ff103f46f62c8535"`
Dec 05 08:49:27.477 INFO running `"docker" "rm" "-f" "2f3342bbc92b5cf1f02f4798c5cb4cf35cc5eaca908c4de9ff103f46f62c8535"`
Dec 05 08:49:27.648 INFO [stdout] 2f3342bbc92b5cf1f02f4798c5cb4cf35cc5eaca908c4de9ff103f46f62c8535