Dec 03 03:41:47.584 INFO testing kiss2d-0.1.5 against 1.30.1 for beta-1.31-5
Dec 03 03:41:47.584 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 03 03:41:47.995 INFO [stdout] 72d84fcce9c87e6b89cc0b15e3277f5fe971395efb3cc7bee57039da49b9ecde
Dec 03 03:41:47.999 INFO running `"docker" "start" "-a" "72d84fcce9c87e6b89cc0b15e3277f5fe971395efb3cc7bee57039da49b9ecde"`
Dec 03 03:41:49.002 INFO [stderr] usermod: no changes
Dec 03 03:41:49.197 INFO [stderr]    Compiling x11-dl v2.14.0
Dec 03 03:41:49.204 INFO [stderr]    Compiling minifb v0.11.1
Dec 03 03:42:00.039 INFO [stderr]    Compiling kiss2d v0.1.5 (/source)
Dec 03 03:42:00.079 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 03 03:42:00.079 INFO [stderr] 
Dec 03 03:42:00.090 INFO [stderr] error: Could not compile `kiss2d`.
Dec 03 03:42:00.090 INFO [stderr] 
Dec 03 03:42:00.090 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 03:42:00.093 INFO [stderr] su: No module specific data is present
Dec 03 03:42:01.276 INFO running `"docker" "inspect" "72d84fcce9c87e6b89cc0b15e3277f5fe971395efb3cc7bee57039da49b9ecde"`
Dec 03 03:42:01.625 INFO running `"docker" "rm" "-f" "72d84fcce9c87e6b89cc0b15e3277f5fe971395efb3cc7bee57039da49b9ecde"`
Dec 03 03:42:01.911 INFO [stdout] 72d84fcce9c87e6b89cc0b15e3277f5fe971395efb3cc7bee57039da49b9ecde