[INFO] updating cached repository airstone42/moj-judge
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/airstone42/moj-judge
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/airstone42/moj-judge" "work/ex/beta-1.38-1/sources/1.37.0/gh/airstone42/moj-judge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/airstone42/moj-judge'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/airstone42/moj-judge" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/airstone42/moj-judge"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/airstone42/moj-judge'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 012a706b8ce11b0ae240e9a01f37ce3ce82db084
[INFO] sha for GitHub repo airstone42/moj-judge: 012a706b8ce11b0ae240e9a01f37ce3ce82db084
[INFO] validating manifest of airstone42/moj-judge on toolchain 1.37.0
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for airstone42/moj-judge
[ERROR]