[INFO] updating cached repository TsarFox/rebuild
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/TsarFox/rebuild
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/TsarFox/rebuild" "work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/TsarFox/rebuild"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/master#003382e4150984cb476047b3925edf8d75df2d59/gh/TsarFox/rebuild'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/TsarFox/rebuild" "work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/TsarFox/rebuild"`
[INFO] [stderr] Cloning into 'work/ex/pr-59527/sources/try#47f4f94676fbdd494dd2c2dc9ac377a13fc78e00/gh/TsarFox/rebuild'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 957ba1fc82664484c38c99ab23989a603b445613
[INFO] sha for GitHub repo TsarFox/rebuild: 957ba1fc82664484c38c99ab23989a603b445613
[INFO] validating manifest of TsarFox/rebuild on toolchain master#003382e4150984cb476047b3925edf8d75df2d59
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for TsarFox/rebuild
[ERROR]