Dec 02 02:23:06.482 INFO testing VitalyAnkh/minigrep against 1.30.1 for beta-1.31-5
Dec 02 02:23:06.482 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 02:23:06.855 INFO [stdout] fdc98d9600d862da9514811358ea665ba758aad282212b948551d3261f5da7c9
Dec 02 02:23:06.863 INFO running `"docker" "start" "-a" "fdc98d9600d862da9514811358ea665ba758aad282212b948551d3261f5da7c9"`
Dec 02 02:23:07.999 INFO [stderr] usermod: no changes
Dec 02 02:23:08.054 INFO [stderr]    Compiling minigrep v0.1.0 (/source)
Dec 02 02:23:08.103 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 02 02:23:08.104 INFO [stderr] 
Dec 02 02:23:08.116 INFO [stderr] error: Could not compile `minigrep`.
Dec 02 02:23:08.116 INFO [stderr] 
Dec 02 02:23:08.116 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 02:23:08.118 INFO [stderr] su: No module specific data is present
Dec 02 02:23:08.468 INFO running `"docker" "inspect" "fdc98d9600d862da9514811358ea665ba758aad282212b948551d3261f5da7c9"`
Dec 02 02:23:08.584 INFO running `"docker" "rm" "-f" "fdc98d9600d862da9514811358ea665ba758aad282212b948551d3261f5da7c9"`
Dec 02 02:23:08.677 INFO [stdout] fdc98d9600d862da9514811358ea665ba758aad282212b948551d3261f5da7c9