Dec 05 08:49:16.372 INFO checking protoc-rust-copra-0.1.1 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:49:16.372 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 08:49:16.603 INFO [stdout] 1fb88ec5905a6e36f4c50badc741b002fe2c37a596034f6ac7784feeb8fdc856
Dec 05 08:49:16.603 INFO running `"docker" "start" "-a" "1fb88ec5905a6e36f4c50badc741b002fe2c37a596034f6ac7784feeb8fdc856"`
Dec 05 08:49:17.315 INFO [stderr] usermod: no changes
Dec 05 08:49:17.511 INFO [stderr]    Compiling protobuf v1.7.4
Dec 05 08:49:17.519 INFO [stderr]     Checking protoc v1.7.4
Dec 05 08:49:17.519 INFO [stderr]     Checking Inflector v0.11.3
Dec 05 08:49:25.096 INFO [stderr]     Checking protoc-rust v1.7.4
Dec 05 08:49:26.064 INFO [stderr]     Checking protoc-rust-copra v0.1.1 (/source)
Dec 05 08:49:27.982 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.61s
Dec 05 08:49:27.987 INFO [stderr] su: No module specific data is present
Dec 05 08:49:28.248 INFO running `"docker" "inspect" "1fb88ec5905a6e36f4c50badc741b002fe2c37a596034f6ac7784feeb8fdc856"`
Dec 05 08:49:28.417 INFO running `"docker" "rm" "-f" "1fb88ec5905a6e36f4c50badc741b002fe2c37a596034f6ac7784feeb8fdc856"`
Dec 05 08:49:28.507 INFO [stdout] 1fb88ec5905a6e36f4c50badc741b002fe2c37a596034f6ac7784feeb8fdc856