[INFO] updating cached repository Sixstring982/Interview
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Sixstring982/Interview
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Sixstring982/Interview" "work/ex/beta-1.38-1/sources/1.37.0/gh/Sixstring982/Interview"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Sixstring982/Interview'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Sixstring982/Interview" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sixstring982/Interview"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sixstring982/Interview'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec6e081cb239ede8dddafb589e4a6f4ed0da7356
[INFO] sha for GitHub repo Sixstring982/Interview: ec6e081cb239ede8dddafb589e4a6f4ed0da7356
[INFO] validating manifest of Sixstring982/Interview on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Sixstring982/Interview on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Sixstring982/Interview
[INFO] finished frobbing Sixstring982/Interview
[INFO] frobbed toml for Sixstring982/Interview written to work/ex/beta-1.38-1/sources/1.37.0/gh/Sixstring982/Interview/Cargo.toml
[INFO] started frobbing Sixstring982/Interview
[INFO] finished frobbing Sixstring982/Interview
[INFO] frobbed toml for Sixstring982/Interview written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Sixstring982/Interview/Cargo.toml
[INFO] crate Sixstring982/Interview already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Sixstring982/Interview against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/Sixstring982/Interview:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] fbf5f988f6af72d617b5f413a21098e25e8018f3dfc76898c847bf288f209772
[INFO] running `"docker" "start" "-a" "fbf5f988f6af72d617b5f413a21098e25e8018f3dfc76898c847bf288f209772"`
[INFO] [stderr]    Compiling interview v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] error[E0601]: `main` function not found in crate `interview`
[INFO] [stderr]   |
[INFO] [stderr]   = note: 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 `interview`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "fbf5f988f6af72d617b5f413a21098e25e8018f3dfc76898c847bf288f209772"`
[INFO] running `"docker" "rm" "-f" "fbf5f988f6af72d617b5f413a21098e25e8018f3dfc76898c847bf288f209772"`
[INFO] [stdout] fbf5f988f6af72d617b5f413a21098e25e8018f3dfc76898c847bf288f209772