[INFO] updating cached repository archseer/ibento-rs
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/archseer/ibento-rs
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/archseer/ibento-rs" "work/ex/beta-1.37-6/sources/1.36.0/gh/archseer/ibento-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/archseer/ibento-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/archseer/ibento-rs" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/archseer/ibento-rs"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/archseer/ibento-rs'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8bb905d49a34b8af812c4a51e14191a7c1e17439
[INFO] sha for GitHub repo archseer/ibento-rs: 8bb905d49a34b8af812c4a51e14191a7c1e17439
[INFO] validating manifest of archseer/ibento-rs 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 archseer/ibento-rs
[ERROR]