Dec 05 08:49:41.578 INFO checking prost-types-0.4.0 against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 08:49:41.578 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:49:41.815 INFO [stdout] da0cc6ea0ede5578ab96c71ee1d44d2d2c60a0f1456219187ce06cae80964b18
Dec 05 08:49:41.820 INFO running `"docker" "start" "-a" "da0cc6ea0ede5578ab96c71ee1d44d2d2c60a0f1456219187ce06cae80964b18"`
Dec 05 08:49:42.563 INFO [stderr] usermod: no changes
Dec 05 08:49:42.626 INFO [stderr]    Compiling syn v0.14.9
Dec 05 08:49:42.627 INFO [stderr]     Checking prost v0.4.0
Dec 05 08:49:42.627 INFO [stderr]    Compiling failure v0.1.3
Dec 05 08:49:53.927 INFO [stderr]    Compiling prost-derive v0.4.0
Dec 05 08:50:00.015 INFO [stderr]     Checking prost-types v0.4.0 (/source)
Dec 05 08:50:04.819 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.23s
Dec 05 08:50:04.819 INFO [stderr] su: No module specific data is present
Dec 05 08:50:05.539 INFO running `"docker" "inspect" "da0cc6ea0ede5578ab96c71ee1d44d2d2c60a0f1456219187ce06cae80964b18"`
Dec 05 08:50:05.751 INFO running `"docker" "rm" "-f" "da0cc6ea0ede5578ab96c71ee1d44d2d2c60a0f1456219187ce06cae80964b18"`
Dec 05 08:50:05.892 INFO [stdout] da0cc6ea0ede5578ab96c71ee1d44d2d2c60a0f1456219187ce06cae80964b18