Dec 02 01:57:34.146 INFO testing ZhouHansen/async_rust_playground against 1.30.1 for beta-1.31-5
Dec 02 01:57:34.146 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-5/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 01:57:34.328 INFO [stdout] 16658152cf0aaf6123207e8bdaa101720ce291a8ad2c1e36b4ac9ac13bb1378f
Dec 02 01:57:34.330 INFO running `"docker" "start" "-a" "16658152cf0aaf6123207e8bdaa101720ce291a8ad2c1e36b4ac9ac13bb1378f"`
Dec 02 01:57:34.867 INFO [stderr] usermod: no changes
Dec 02 01:57:34.915 INFO [stderr]    Compiling async_rust_playground v0.1.0 (/source)
Dec 02 01:57:34.941 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 01:57:34.941 INFO [stderr] 
Dec 02 01:57:34.942 INFO [stderr] error: Could not compile `async_rust_playground`.
Dec 02 01:57:34.942 INFO [stderr] 
Dec 02 01:57:34.942 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 01:57:34.942 INFO [stderr] su: No module specific data is present
Dec 02 01:57:35.233 INFO running `"docker" "inspect" "16658152cf0aaf6123207e8bdaa101720ce291a8ad2c1e36b4ac9ac13bb1378f"`
Dec 02 01:57:35.336 INFO running `"docker" "rm" "-f" "16658152cf0aaf6123207e8bdaa101720ce291a8ad2c1e36b4ac9ac13bb1378f"`
Dec 02 01:57:35.423 INFO [stdout] 16658152cf0aaf6123207e8bdaa101720ce291a8ad2c1e36b4ac9ac13bb1378f
