Nov 27 00:50:44.837 INFO testing iching-0.3.1 against 1.30.1 for beta-1.31-4
Nov 27 00:50:44.837 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 27 00:50:45.297 INFO [stdout] f539409d1254c495a470d97c5dda8575fe50856070857d7b482e5d96b3c89cda
Nov 27 00:50:45.304 INFO running `"docker" "start" "-a" "f539409d1254c495a470d97c5dda8575fe50856070857d7b482e5d96b3c89cda"`
Nov 27 00:50:46.438 INFO [stderr] usermod: no changes
Nov 27 00:50:46.544 INFO [stderr]    Compiling iching v0.3.1 (/source)
Nov 27 00:50:46.584 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Nov 27 00:50:46.584 INFO [stderr] 
Nov 27 00:50:46.584 INFO [stderr] error: Could not compile `iching`.
Nov 27 00:50:46.584 INFO [stderr] 
Nov 27 00:50:46.584 INFO [stderr] To learn more, run the command again with --verbose.
Nov 27 00:50:46.592 INFO [stderr] su: No module specific data is present
Nov 27 00:50:47.406 INFO running `"docker" "inspect" "f539409d1254c495a470d97c5dda8575fe50856070857d7b482e5d96b3c89cda"`
Nov 27 00:50:47.630 INFO running `"docker" "rm" "-f" "f539409d1254c495a470d97c5dda8575fe50856070857d7b482e5d96b3c89cda"`
Nov 27 00:50:47.880 INFO [stdout] f539409d1254c495a470d97c5dda8575fe50856070857d7b482e5d96b3c89cda