Dec 02 12:04:10.181 INFO testing varisat-0.1.3 against 1.30.1 for beta-1.31-5
Dec 02 12:04:10.181 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-4/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/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 12:04:10.677 INFO [stdout] 4001d981951ad9cb23adb1855010e3ff7cdf1cef5cd5fe8b50f583c191085c3b
Dec 02 12:04:10.685 INFO running `"docker" "start" "-a" "4001d981951ad9cb23adb1855010e3ff7cdf1cef5cd5fe8b50f583c191085c3b"`
Dec 02 12:04:11.998 INFO [stderr] usermod: no changes
Dec 02 12:04:12.095 INFO [stderr]    Compiling varisat v0.1.3 (/source)
Dec 02 12:04:12.175 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 12:04:12.175 INFO [stderr] 
Dec 02 12:04:12.177 INFO [stderr] error: Could not compile `varisat`.
Dec 02 12:04:12.177 INFO [stderr] 
Dec 02 12:04:12.177 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 12:04:12.179 INFO [stderr] su: No module specific data is present
Dec 02 12:04:12.749 INFO running `"docker" "inspect" "4001d981951ad9cb23adb1855010e3ff7cdf1cef5cd5fe8b50f583c191085c3b"`
Dec 02 12:04:13.141 INFO running `"docker" "rm" "-f" "4001d981951ad9cb23adb1855010e3ff7cdf1cef5cd5fe8b50f583c191085c3b"`
Dec 02 12:04:13.471 INFO [stdout] 4001d981951ad9cb23adb1855010e3ff7cdf1cef5cd5fe8b50f583c191085c3b