[INFO] updating cached repository KNaudin/MerkleTree
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/KNaudin/MerkleTree
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/KNaudin/MerkleTree" "work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/KNaudin/MerkleTree"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/master#f66e4697ae286985ddefc53c3a047614568458bb/gh/KNaudin/MerkleTree'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/KNaudin/MerkleTree" "work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/KNaudin/MerkleTree"`
[INFO] [stderr] Cloning into 'work/ex/pr-58592/sources/try#c3b22200e6f5b70eb1f99ae6944d989ae17a458a/gh/KNaudin/MerkleTree'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 940f460613651681ea7be48b92a4e9d7268a4dde
[INFO] sha for GitHub repo KNaudin/MerkleTree: 940f460613651681ea7be48b92a4e9d7268a4dde
[INFO] validating manifest of KNaudin/MerkleTree on toolchain master#f66e4697ae286985ddefc53c3a047614568458bb
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to build-fail:broken
[ERROR] caused by: missing Cargo.toml for KNaudin/MerkleTree
[ERROR]