[INFO] updating cached repository YoshikuniJujo/learn_rust
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/YoshikuniJujo/learn_rust
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/YoshikuniJujo/learn_rust" "work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/YoshikuniJujo/learn_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7/gh/YoshikuniJujo/learn_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/YoshikuniJujo/learn_rust" "work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/YoshikuniJujo/learn_rust"`
[INFO] [stderr] Cloning into 'work/ex/pr-62507/sources/try#18481b65f318e0b4b20c0fc61340054701719d6c/gh/YoshikuniJujo/learn_rust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 315b1581e1b7ed837e46e428204a6df0a2662b39
[INFO] sha for GitHub repo YoshikuniJujo/learn_rust: 315b1581e1b7ed837e46e428204a6df0a2662b39
[INFO] validating manifest of YoshikuniJujo/learn_rust on toolchain master#78ca1bda3522b14bc0336bc01dd1d49fdba2cda7
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for YoshikuniJujo/learn_rust
[ERROR]