Dec 03 18:45:25.835 INFO testing backtracking_iterator-0.1.0 against 1.30.1 for beta-1.31-5
Dec 03 18:45:25.835 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 03 18:45:26.368 INFO [stdout] 73b2d441d10b6c37a2944518ecb4a2237d8febd4c222ad94e8170e03f5379039
Dec 03 18:45:26.372 INFO running `"docker" "start" "-a" "73b2d441d10b6c37a2944518ecb4a2237d8febd4c222ad94e8170e03f5379039"`
Dec 03 18:45:27.755 INFO [stderr] usermod: no changes
Dec 03 18:45:27.815 INFO [stderr]    Compiling backtracking_iterator v0.1.0 (/source)
Dec 03 18:45:27.877 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 03 18:45:27.895 INFO [stderr] 
Dec 03 18:45:27.895 INFO [stderr] error: Could not compile `backtracking_iterator`.
Dec 03 18:45:27.895 INFO [stderr] 
Dec 03 18:45:27.895 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 18:45:27.895 INFO [stderr] su: No module specific data is present
Dec 03 18:45:28.915 INFO running `"docker" "inspect" "73b2d441d10b6c37a2944518ecb4a2237d8febd4c222ad94e8170e03f5379039"`
Dec 03 18:45:29.343 INFO running `"docker" "rm" "-f" "73b2d441d10b6c37a2944518ecb4a2237d8febd4c222ad94e8170e03f5379039"`
Dec 03 18:45:29.711 INFO [stdout] 73b2d441d10b6c37a2944518ecb4a2237d8febd4c222ad94e8170e03f5379039
