Dec 01 19:29:14.491 INFO testing dgodd/pack_rs against 1.30.1 for beta-1.31-5
Dec 01 19:29:14.492 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-1/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 01 19:29:14.790 INFO [stdout] e97dc8b4b511f9e7189e6d0bddd808b230ddc39e443c6fa42456bec44821e315
Dec 01 19:29:14.791 INFO running `"docker" "start" "-a" "e97dc8b4b511f9e7189e6d0bddd808b230ddc39e443c6fa42456bec44821e315"`
Dec 01 19:29:15.179 INFO [stderr] usermod: no changes
Dec 01 19:29:15.241 INFO [stderr]    Compiling pack v0.1.0 (/source)
Dec 01 19:29:15.281 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 01 19:29:15.281 INFO [stderr] 
Dec 01 19:29:15.291 INFO [stderr] error: Could not compile `pack`.
Dec 01 19:29:15.291 INFO [stderr] 
Dec 01 19:29:15.291 INFO [stderr] To learn more, run the command again with --verbose.
Dec 01 19:29:15.292 INFO [stderr] su: No module specific data is present
Dec 01 19:29:15.591 INFO running `"docker" "inspect" "e97dc8b4b511f9e7189e6d0bddd808b230ddc39e443c6fa42456bec44821e315"`
Dec 01 19:29:15.800 INFO running `"docker" "rm" "-f" "e97dc8b4b511f9e7189e6d0bddd808b230ddc39e443c6fa42456bec44821e315"`
Dec 01 19:29:15.890 INFO [stdout] e97dc8b4b511f9e7189e6d0bddd808b230ddc39e443c6fa42456bec44821e315