Dec 02 03:53:44.536 INFO testing Ristarg/ronfmt against 1.30.1 for beta-1.31-5
Dec 02 03:53:44.536 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-3/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 02 03:53:45.136 INFO [stdout] 738d999ce9296cbba8d6daca3d74209f4e4dcefca95f4fbbb76ce1d76c75b6a6
Dec 02 03:53:45.138 INFO running `"docker" "start" "-a" "738d999ce9296cbba8d6daca3d74209f4e4dcefca95f4fbbb76ce1d76c75b6a6"`
Dec 02 03:53:47.362 INFO [stderr] usermod: no changes
Dec 02 03:53:47.403 INFO [stderr] warning: unused manifest key: package.maintenance
Dec 02 03:53:47.480 INFO [stderr]    Compiling pest_generator v2.0.0
Dec 02 03:53:55.527 INFO [stderr]    Compiling pest_derive v2.0.1
Dec 02 03:53:59.772 INFO [stderr]    Compiling ronfmt v0.1.0 (/source)
Dec 02 03:53:59.800 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 03:53:59.800 INFO [stderr] 
Dec 02 03:53:59.800 INFO [stderr] error: Could not compile `ronfmt`.
Dec 02 03:53:59.800 INFO [stderr] 
Dec 02 03:53:59.800 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 03:53:59.802 INFO [stderr] su: No module specific data is present
Dec 02 03:54:00.148 INFO running `"docker" "inspect" "738d999ce9296cbba8d6daca3d74209f4e4dcefca95f4fbbb76ce1d76c75b6a6"`
Dec 02 03:54:00.361 INFO running `"docker" "rm" "-f" "738d999ce9296cbba8d6daca3d74209f4e4dcefca95f4fbbb76ce1d76c75b6a6"`
Dec 02 03:54:00.555 INFO [stdout] 738d999ce9296cbba8d6daca3d74209f4e4dcefca95f4fbbb76ce1d76c75b6a6
