Dec 02 03:29:59.978 INFO testing Schaeff/great-ci against 1.30.1 for beta-1.31-5
Dec 02 03:29:59.978 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.31-5/worker-6/1.30.1:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/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 03:30:00.382 INFO [stdout] 215c07febd289b68c38083bb7491268a25b00303c9ad79232c754521ac0e3d15
Dec 02 03:30:00.384 INFO running `"docker" "start" "-a" "215c07febd289b68c38083bb7491268a25b00303c9ad79232c754521ac0e3d15"`
Dec 02 03:30:01.147 INFO [stderr] usermod: no changes
Dec 02 03:30:01.239 INFO [stderr]    Compiling great-ci v0.1.0 (/source)
Dec 02 03:30:01.791 INFO [stderr] error[E0601]: `main` function not found in crate `great_ci`
Dec 02 03:30:01.791 INFO [stderr]   |
Dec 02 03:30:01.791 INFO [stderr]   = note: consider adding a `main` function to `src/main.rs`
Dec 02 03:30:01.791 INFO [stderr] 
Dec 02 03:30:01.847 INFO [stderr] error: aborting due to previous error
Dec 02 03:30:01.847 INFO [stderr] 
Dec 02 03:30:01.847 INFO [stderr] For more information about this error, try `rustc --explain E0601`.
Dec 02 03:30:01.852 INFO [stderr] error: Could not compile `great-ci`.
Dec 02 03:30:01.852 INFO [stderr] 
Dec 02 03:30:01.852 INFO [stderr] To learn more, run the command again with --verbose.
Dec 02 03:30:01.853 INFO [stderr] su: No module specific data is present
Dec 02 03:30:02.237 INFO running `"docker" "inspect" "215c07febd289b68c38083bb7491268a25b00303c9ad79232c754521ac0e3d15"`
Dec 02 03:30:02.384 INFO running `"docker" "rm" "-f" "215c07febd289b68c38083bb7491268a25b00303c9ad79232c754521ac0e3d15"`
Dec 02 03:30:02.651 INFO [stdout] 215c07febd289b68c38083bb7491268a25b00303c9ad79232c754521ac0e3d15