Nov 26 19:14:09.741 INFO testing ownrs-0.1.1 against 1.30.1 for beta-1.31-4
Nov 26 19:14:09.743 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/beta-1.31-4/1.30.1:/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"`
Nov 26 19:14:10.154 INFO [stdout] 869c95c9aa9323734620d985abbdc31875ea04f6d9d0d91c801e533c09d2f632
Nov 26 19:14:10.157 INFO running `"docker" "start" "-a" "869c95c9aa9323734620d985abbdc31875ea04f6d9d0d91c801e533c09d2f632"`
Nov 26 19:14:11.517 INFO [stderr] usermod: no changes
Nov 26 19:14:11.581 INFO [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
Nov 26 19:14:11.585 INFO [stderr]    Compiling ownrs v0.1.1 (/source)
Nov 26 19:14:11.672 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Nov 26 19:14:11.672 INFO [stderr] 
Nov 26 19:14:11.687 INFO [stderr] error: Could not compile `ownrs`.
Nov 26 19:14:11.687 INFO [stderr] 
Nov 26 19:14:11.687 INFO [stderr] To learn more, run the command again with --verbose.
Nov 26 19:14:11.689 INFO [stderr] su: No module specific data is present
Nov 26 19:14:12.567 INFO running `"docker" "inspect" "869c95c9aa9323734620d985abbdc31875ea04f6d9d0d91c801e533c09d2f632"`
Nov 26 19:14:12.904 INFO running `"docker" "rm" "-f" "869c95c9aa9323734620d985abbdc31875ea04f6d9d0d91c801e533c09d2f632"`
Nov 26 19:14:13.216 INFO [stdout] 869c95c9aa9323734620d985abbdc31875ea04f6d9d0d91c801e533c09d2f632