[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-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/lunaryorn/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/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-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/lunaryorn/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/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#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980
[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]