[INFO] updating cached repository phil-opp/blog_os
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/phil-opp/blog_os
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/phil-opp/blog_os" "work/ex/beta-1.37-6/sources/1.36.0/gh/phil-opp/blog_os"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/phil-opp/blog_os'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/phil-opp/blog_os" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/phil-opp/blog_os"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/phil-opp/blog_os'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5f4153c365294c5142d8c286740961b9b1d797ac
[INFO] sha for GitHub repo phil-opp/blog_os: 5f4153c365294c5142d8c286740961b9b1d797ac
[INFO] validating manifest of phil-opp/blog_os 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 phil-opp/blog_os
[ERROR]