[INFO] updating cached repository lunaryorn/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/lunaryorn/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/lunaryorn/advent-of-code-2018" "work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/lunaryorn/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/master#e2f221c75932de7a29845c8d6f1f73536ad00c41/gh/lunaryorn/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/lunaryorn/advent-of-code-2018" "work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/lunaryorn/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-57617/sources/try#0bfb90d213a93e466b33d078a5b535a2a6f9c5ff/gh/lunaryorn/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f2e8a4c473c737ffa7cccdf40574ea13b5026896
[INFO] sha for GitHub repo lunaryorn/advent-of-code-2018: f2e8a4c473c737ffa7cccdf40574ea13b5026896
[INFO] validating manifest of lunaryorn/advent-of-code-2018 on toolchain master#e2f221c75932de7a29845c8d6f1f73536ad00c41
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to build-fail:broken
[ERROR] caused by: missing Cargo.toml for lunaryorn/advent-of-code-2018
[ERROR]