Dec 03 17:41:11.179 INFO testing bucket_queue-1.0.0 against 1.30.1 for beta-1.31-5
Dec 03 17:41:11.179 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-5/1.30.1:/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 +1.30.1 build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 03 17:41:11.354 INFO [stdout] b6e722aff26d98116350e05508e19ac0ac8a2f6487fa6a2a877bf6d2b3910579
Dec 03 17:41:11.356 INFO running `"docker" "start" "-a" "b6e722aff26d98116350e05508e19ac0ac8a2f6487fa6a2a877bf6d2b3910579"`
Dec 03 17:41:11.791 INFO [stderr] usermod: no changes
Dec 03 17:41:11.831 INFO [stderr]    Compiling bucket_queue v1.0.0 (/source)
Dec 03 17:41:11.859 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 03 17:41:11.859 INFO [stderr] 
Dec 03 17:41:11.863 INFO [stderr] error: Could not compile `bucket_queue`.
Dec 03 17:41:11.863 INFO [stderr] 
Dec 03 17:41:11.863 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 17:41:11.864 INFO [stderr] su: No module specific data is present
Dec 03 17:41:12.186 INFO running `"docker" "inspect" "b6e722aff26d98116350e05508e19ac0ac8a2f6487fa6a2a877bf6d2b3910579"`
Dec 03 17:41:12.237 INFO running `"docker" "rm" "-f" "b6e722aff26d98116350e05508e19ac0ac8a2f6487fa6a2a877bf6d2b3910579"`
Dec 03 17:41:12.319 INFO [stdout] b6e722aff26d98116350e05508e19ac0ac8a2f6487fa6a2a877bf6d2b3910579
