[INFO] updating cached repository https://github.com/fky2015/newbee_codewar_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] faa033b80d8e4586e0f38558d735f7a9042381d4
[INFO] testing fky2015/newbee_codewar_rust against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffky2015%2Fnewbee_codewar_rust" "work/builds/worker-4/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fky2015/newbee_codewar_rust on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/fky2015/newbee_codewar_rust
[INFO] finished tweaking git repo https://github.com/fky2015/newbee_codewar_rust
[INFO] tweaked toml for git repo https://github.com/fky2015/newbee_codewar_rust written to work/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/fky2015/newbee_codewar_rust already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 34713782b57f9623254b954881790db6c6e32e00e6afa2d0c17fa8ea5246063d
[INFO] running `"docker" "start" "-a" "34713782b57f9623254b954881790db6c6e32e00e6afa2d0c17fa8ea5246063d"`
[INFO] [stderr]    Compiling repo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `repo`
[INFO] [stderr]   --> src/main.rs:17:1
[INFO] [stderr]    |
[INFO] [stderr] 17 | / fn epidemic(tm: i32, n: i32, s0: i32, i0: i32, b: f64, a: f64) -> i32 {
[INFO] [stderr] 18 | |     let interval = (tm as f64) / (n as f64);
[INFO] [stderr] 19 | |     let mut s: f64 = s0 as f64;
[INFO] [stderr] 20 | |     let mut i: f64 = i0 as f64;
[INFO] [stderr] ...  |
[INFO] [stderr] 48 | |     }
[INFO] [stderr] 49 | | }
[INFO] [stderr]    | |_^ consider adding a `main` function to `src/main.rs`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0601`.
[INFO] [stderr] error: could not compile `repo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "34713782b57f9623254b954881790db6c6e32e00e6afa2d0c17fa8ea5246063d"`
[INFO] running `"docker" "rm" "-f" "34713782b57f9623254b954881790db6c6e32e00e6afa2d0c17fa8ea5246063d"`
[INFO] [stdout] 34713782b57f9623254b954881790db6c6e32e00e6afa2d0c17fa8ea5246063d