Dec 03 02:19:22.804 INFO testing magic-school-bus-0.5.0 against 1.30.1 for beta-1.31-5
Dec 03 02:19:22.805 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-2/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/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 02:19:23.358 INFO [stdout] 0a49cc989b99120efa54462c99ac3c57a36cfa94af815566b7a8099d05af31c1
Dec 03 02:19:23.360 INFO running `"docker" "start" "-a" "0a49cc989b99120efa54462c99ac3c57a36cfa94af815566b7a8099d05af31c1"`
Dec 03 02:19:24.299 INFO [stderr] usermod: no changes
Dec 03 02:19:24.373 INFO [stderr]    Compiling magic-school-bus v0.5.0 (/source)
Dec 03 02:19:24.418 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 03 02:19:24.418 INFO [stderr] 
Dec 03 02:19:24.437 INFO [stderr] error: Could not compile `magic-school-bus`.
Dec 03 02:19:24.437 INFO [stderr] 
Dec 03 02:19:24.437 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 02:19:24.438 INFO [stderr] su: No module specific data is present
Dec 03 02:19:25.079 INFO running `"docker" "inspect" "0a49cc989b99120efa54462c99ac3c57a36cfa94af815566b7a8099d05af31c1"`
Dec 03 02:19:25.456 INFO running `"docker" "rm" "-f" "0a49cc989b99120efa54462c99ac3c57a36cfa94af815566b7a8099d05af31c1"`
Dec 03 02:19:25.748 INFO [stdout] 0a49cc989b99120efa54462c99ac3c57a36cfa94af815566b7a8099d05af31c1
