[INFO] updating cached repository donut-lang/donut
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/donut-lang/donut
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/donut-lang/donut" "work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/donut-lang/donut"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/master#1891bfa80364eead426517c68de6947b7692e2de/gh/donut-lang/donut'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/donut-lang/donut" "work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/donut-lang/donut"`
[INFO] [stderr] Cloning into 'work/ex/pr-60261/sources/try#bfdcf6db3afcce5fe4013023cfa8ba359c5d527a/gh/donut-lang/donut'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6847512de18da3fb8a2b32e63784922bf870b370
[INFO] sha for GitHub repo donut-lang/donut: 6847512de18da3fb8a2b32e63784922bf870b370
[INFO] validating manifest of donut-lang/donut on toolchain master#1891bfa80364eead426517c68de6947b7692e2de
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for donut-lang/donut
[ERROR]