Dec 03 04:17:43.575 INFO testing jazz-0.2.2 against 1.30.1 for beta-1.31-5
Dec 03 04:17:43.575 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 04:17:43.904 INFO [stdout] 0536e989dbcde071dcf4ee66ef59368bbdb9b93ad261153b017fff763039d519
Dec 03 04:17:43.905 INFO running `"docker" "start" "-a" "0536e989dbcde071dcf4ee66ef59368bbdb9b93ad261153b017fff763039d519"`
Dec 03 04:17:44.287 INFO [stderr] usermod: no changes
Dec 03 04:17:44.325 INFO [stderr]    Compiling jazz v0.2.2 (/source)
Dec 03 04:17:44.333 INFO [stderr] error: Edition 2018 is unstable and only available for nightly builds of rustc.
Dec 03 04:17:44.334 INFO [stderr] 
Dec 03 04:17:44.335 INFO [stderr] error: Could not compile `jazz`.
Dec 03 04:17:44.335 INFO [stderr] 
Dec 03 04:17:44.335 INFO [stderr] To learn more, run the command again with --verbose.
Dec 03 04:17:44.336 INFO [stderr] su: No module specific data is present
Dec 03 04:17:44.627 INFO running `"docker" "inspect" "0536e989dbcde071dcf4ee66ef59368bbdb9b93ad261153b017fff763039d519"`
Dec 03 04:17:44.740 INFO running `"docker" "rm" "-f" "0536e989dbcde071dcf4ee66ef59368bbdb9b93ad261153b017fff763039d519"`
Dec 03 04:17:44.819 INFO [stdout] 0536e989dbcde071dcf4ee66ef59368bbdb9b93ad261153b017fff763039d519