[INFO] updating cached repository kg88/tikv-master
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/kg88/tikv-master
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/kg88/tikv-master" "work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/kg88/tikv-master"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/master#adbfec229ce07ff4b2a7bf2d6dec2d13cb224980/gh/kg88/tikv-master'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/kg88/tikv-master" "work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/kg88/tikv-master"`
[INFO] [stderr] Cloning into 'work/ex/pr-56896/sources/try#bad365140e1e8233b42b21af70a407f14ce5fec5/gh/kg88/tikv-master'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 025580345db28a44ae0e91ec462938b050ff16a2
[INFO] sha for GitHub repo kg88/tikv-master: 025580345db28a44ae0e91ec462938b050ff16a2
[INFO] validating manifest of kg88/tikv-master 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 kg88/tikv-master
[ERROR]