[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/beta-1.38-1/sources/1.37.0/gh/tahnok/advent2018"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/tahnok/advent2018'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/tahnok/advent2018" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/tahnok/advent2018"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/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 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 tahnok/advent2018 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 tahnok/advent2018 [INFO] finished frobbing tahnok/advent2018 [INFO] frobbed toml for tahnok/advent2018 written to work/ex/beta-1.38-1/sources/1.37.0/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/beta-1.38-1/sources/beta-2019-08-13/gh/tahnok/advent2018/Cargo.toml [INFO] crate tahnok/advent2018 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 tahnok/advent2018 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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=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] 394c78965765ddee112a32140d128e451b756e1079719019971ec9c06f6e006c [INFO] running `"docker" "start" "-a" "394c78965765ddee112a32140d128e451b756e1079719019971ec9c06f6e006c"` [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] Compiling indoc v0.3.1 [INFO] [stderr] Compiling 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] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day_07_2.rs:28:13 [INFO] [stderr] | [INFO] [stderr] 28 | let mut dependencies = result.entry(required_by).or_insert(HashSet::new()); [INFO] [stderr] | ----^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/bin/day_04_2.rs:29:13 [INFO] [stderr] | [INFO] [stderr] 29 | let mut times = guards_and_times.get_mut(&id).unwrap(); [INFO] [stderr] | ----^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_mut)] 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" "394c78965765ddee112a32140d128e451b756e1079719019971ec9c06f6e006c"` [INFO] running `"docker" "rm" "-f" "394c78965765ddee112a32140d128e451b756e1079719019971ec9c06f6e006c"` [INFO] [stdout] 394c78965765ddee112a32140d128e451b756e1079719019971ec9c06f6e006c