Dec 02 03:31:19.717 INFO testing Samlof/rustboy against 1.30.1 for beta-1.31-5
Dec 02 03:31:19.717 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 03:31:20.165 INFO [stdout] c33a2970501f3ad519564a84d4497c334307ca75bf4c8f61fb6bd95434557363
Dec 02 03:31:20.173 INFO running `"docker" "start" "-a" "c33a2970501f3ad519564a84d4497c334307ca75bf4c8f61fb6bd95434557363"`
Dec 02 03:31:20.932 INFO [stderr] usermod: no changes
Dec 02 03:31:21.004 INFO [stderr]    Compiling x11-dl v2.14.0
Dec 02 03:31:21.004 INFO [stderr]    Compiling minifb v0.10.7
Dec 02 03:31:21.020 INFO [stderr]    Compiling num-traits v0.1.43
Dec 02 03:31:21.983 INFO [stderr]    Compiling enum-primitive-derive v0.1.2
Dec 02 03:31:30.315 INFO [stderr]    Compiling rustboy v0.1.0 (/source)
Dec 02 03:31:30.346 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 03:31:30.346 INFO [stderr] 
Dec 02 03:31:30.366 INFO [stderr] error: Could not compile `rustboy`.
Dec 02 03:31:30.366 INFO [stderr] 
Dec 02 03:31:30.366 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 03:31:30.367 INFO [stderr] su: No module specific data is present
Dec 02 03:31:30.885 INFO running `"docker" "inspect" "c33a2970501f3ad519564a84d4497c334307ca75bf4c8f61fb6bd95434557363"`
Dec 02 03:31:31.157 INFO running `"docker" "rm" "-f" "c33a2970501f3ad519564a84d4497c334307ca75bf4c8f61fb6bd95434557363"`
Dec 02 03:31:31.368 INFO [stdout] c33a2970501f3ad519564a84d4497c334307ca75bf4c8f61fb6bd95434557363