[INFO] updating cached repository rpalo/advent-of-code-2018
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rpalo/advent-of-code-2018
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rpalo/advent-of-code-2018" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/rpalo/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/rpalo/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rpalo/advent-of-code-2018" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rpalo/advent-of-code-2018"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/rpalo/advent-of-code-2018'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 34ca7872cf837cb612d0f2c57485556b58b85872
[INFO] sha for GitHub repo rpalo/advent-of-code-2018: 34ca7872cf837cb612d0f2c57485556b58b85872
[INFO] validating manifest of rpalo/advent-of-code-2018 on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for rpalo/advent-of-code-2018
[ERROR]