Nov 26 21:46:01.141 INFO testing matrix_2d-0.1.0 against 1.30.1 for beta-1.31-4
Nov 26 21:46:01.143 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-4/worker-7/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/beta-1.31-4/1.30.1:/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"`
Nov 26 21:46:01.432 INFO [stdout] ca67088a9fd4c1f5a345655a08dc5ae158a4be9696ece05f5087cc862231d060
Nov 26 21:46:01.436 INFO running `"docker" "start" "-a" "ca67088a9fd4c1f5a345655a08dc5ae158a4be9696ece05f5087cc862231d060"`
Nov 26 21:46:02.084 INFO [stderr] usermod: no changes
Nov 26 21:46:02.144 INFO [stderr]    Compiling matrix_2d v0.1.0 (/source)
Nov 26 21:46:02.166 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Nov 26 21:46:02.166 INFO [stderr] 
Nov 26 21:46:02.167 INFO [stderr] error: Could not compile `matrix_2d`.
Nov 26 21:46:02.167 INFO [stderr] 
Nov 26 21:46:02.167 INFO [stderr] To learn more, run the command again with --verbose.
Nov 26 21:46:02.168 INFO [stderr] su: No module specific data is present
Nov 26 21:46:02.525 INFO running `"docker" "inspect" "ca67088a9fd4c1f5a345655a08dc5ae158a4be9696ece05f5087cc862231d060"`
Nov 26 21:46:02.638 INFO running `"docker" "rm" "-f" "ca67088a9fd4c1f5a345655a08dc5ae158a4be9696ece05f5087cc862231d060"`
Nov 26 21:46:02.729 INFO [stdout] ca67088a9fd4c1f5a345655a08dc5ae158a4be9696ece05f5087cc862231d060