[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-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/tahnok/advent2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/tahnok/advent2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/tahnok/advent2018" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/tahnok/advent2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/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#e2f221c75932de7a29845c8d6f1f73536ad00c41
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of tahnok/advent2018 on toolchain try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-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-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/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-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/tahnok/advent2018/Cargo.toml
[INFO] crate tahnok/advent2018 has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e2f221c75932de7a29845c8d6f1f73536ad00c41-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking tahnok/advent2018 against try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff for pr-57617
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57617/worker-2/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/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" "+0bfb90d213a93e466b33d078a5b535a2a6f9c5ff-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 51bea7b1cf5cde07017cfb250dfaf64e38c6f215b6c6c6b02a7275a791f1cedc
[INFO] running `"docker" "start" "-a" "51bea7b1cf5cde07017cfb250dfaf64e38c6f215b6c6c6b02a7275a791f1cedc"`
[INFO] [stderr]    Compiling unindent v0.1.3
[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] 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] warning: unused import: `super::*`
[INFO] [stderr]   --> src/bin/template.rs:12:9
[INFO] [stderr]    |
[INFO] [stderr] 12 |     use super::*;
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `guard` should have an upper case name
[INFO] [stderr]   --> src/bin/day_04_2.rs:11:20
[INFO] [stderr]    |
[INFO] [stderr] 11 |         static ref guard: Regex = Regex::new(r"#(\d+)").unwrap();
[INFO] [stderr]    |                    ^^^^^ help: convert the identifier to upper case: `GUARD`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_upper_case_globals)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `time` should have an upper case name
[INFO] [stderr]   --> src/bin/day_04_2.rs:66:20
[INFO] [stderr]    |
[INFO] [stderr] 66 |         static ref time: Regex = Regex::new(r"(\d+):(\d+)\]").unwrap();
[INFO] [stderr]    |                    ^^^^ help: convert the identifier to upper case: `TIME`
[INFO] [stderr] 
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "51bea7b1cf5cde07017cfb250dfaf64e38c6f215b6c6c6b02a7275a791f1cedc"`
[INFO] running `"docker" "rm" "-f" "51bea7b1cf5cde07017cfb250dfaf64e38c6f215b6c6c6b02a7275a791f1cedc"`
[INFO] [stdout] 51bea7b1cf5cde07017cfb250dfaf64e38c6f215b6c6c6b02a7275a791f1cedc