[INFO] updating cached repository tahnok/advent2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/tahnok/advent2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/tahnok/advent2018" "work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/tahnok/advent2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/tahnok/advent2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tahnok/advent2018" "work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/tahnok/advent2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/tahnok/advent2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6a2ad81a69efaeff50789257718686fa8d575216
[INFO] sha for GitHub repo tahnok/advent2018: 6a2ad81a69efaeff50789257718686fa8d575216
[INFO] validating manifest of tahnok/advent2018 on toolchain master#6ecad338381cc3b8d56e2df22e5971a598eddd6c
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tahnok/advent2018 on toolchain try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing tahnok/advent2018
[INFO] finished frobbing tahnok/advent2018
[INFO] frobbed toml for tahnok/advent2018 written to work/ex/pr-57501/sources/master#6ecad338381cc3b8d56e2df22e5971a598eddd6c/gh/tahnok/advent2018/Cargo.toml
[INFO] started frobbing tahnok/advent2018
[INFO] finished frobbing tahnok/advent2018
[INFO] frobbed toml for tahnok/advent2018 written to work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/tahnok/advent2018/Cargo.toml
[INFO] crate tahnok/advent2018 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+6ecad338381cc3b8d56e2df22e5971a598eddd6c-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tahnok/advent2018 against try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f for pr-57501
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57501/worker-5/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57501/sources/try#5f789154f114767b2d0cb9c5b6c592cb3a635e6f/gh/tahnok/advent2018:/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=forbid" "-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" "+5f789154f114767b2d0cb9c5b6c592cb3a635e6f-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 5363daf9c2d8231c81bf2d26213efdeb6f2e88eed8f39bc227ca4641fb6eb04c
[INFO] running `"docker" "start" "-a" "5363daf9c2d8231c81bf2d26213efdeb6f2e88eed8f39bc227ca4641fb6eb04c"`
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling proc-macro-hack v0.5.3
[INFO] [stderr]    Compiling indoc-impl v0.3.1
[INFO] [stderr]     Checking indoc v0.3.1
[INFO] [stderr]     Checking advent2018 v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `indoc::indoc`
[INFO] [stderr]  --> src/bin/day_07_2.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use indoc::indoc;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0601]: `main` function not found in crate `utils`
[INFO] [stderr]   |
[INFO] [stderr]   = note: consider adding a `main` function to `src/bin/utils.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 `advent2018`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "5363daf9c2d8231c81bf2d26213efdeb6f2e88eed8f39bc227ca4641fb6eb04c"`
[INFO] running `"docker" "rm" "-f" "5363daf9c2d8231c81bf2d26213efdeb6f2e88eed8f39bc227ca4641fb6eb04c"`
[INFO] [stdout] 5363daf9c2d8231c81bf2d26213efdeb6f2e88eed8f39bc227ca4641fb6eb04c