[INFO] cloning repository statiolake/atcoder-rust-base
[INFO] running `"git" "clone" "--bare" "git://github.com/statiolake/atcoder-rust-base.git" "work/cache/sources/gh/statiolake/atcoder-rust-base"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/statiolake/atcoder-rust-base'...
[INFO] running `"git" "clone" "work/cache/sources/gh/statiolake/atcoder-rust-base" "work/ex/beta-1.37-6/sources/1.36.0/gh/statiolake/atcoder-rust-base"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/statiolake/atcoder-rust-base'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/statiolake/atcoder-rust-base" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/statiolake/atcoder-rust-base"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/statiolake/atcoder-rust-base'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2cc2d2386a799b708be942b441100f16ad3db39c
[INFO] sha for GitHub repo statiolake/atcoder-rust-base: 2cc2d2386a799b708be942b441100f16ad3db39c
[INFO] validating manifest of statiolake/atcoder-rust-base on toolchain 1.36.0
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for statiolake/atcoder-rust-base
[ERROR]