[INFO] updating cached repository rust-kr/rust-kr.org
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rust-kr/rust-kr.org
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-kr/rust-kr.org" "work/ex/beta-1.38-1/sources/1.37.0/gh/rust-kr/rust-kr.org"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/rust-kr/rust-kr.org'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rust-kr/rust-kr.org" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-kr/rust-kr.org"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/rust-kr/rust-kr.org'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 51d22830a3719ac4fcb135edcb7e24f411f20dd6
[INFO] sha for GitHub repo rust-kr/rust-kr.org: 51d22830a3719ac4fcb135edcb7e24f411f20dd6
[INFO] validating manifest of rust-kr/rust-kr.org 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 rust-kr/rust-kr.org
[ERROR]