[INFO] updating cached repository d626/rusty-brew
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/d626/rusty-brew
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/d626/rusty-brew" "work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/d626/rusty-brew"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/master#60960a260f7b5c695fd0717311d72ce62dd4eb43/gh/d626/rusty-brew'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/d626/rusty-brew" "work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/d626/rusty-brew"`
[INFO] [stderr] Cloning into 'work/ex/pr-63376/sources/try#266783e4e09e4e9d5307c1c8e695659c58bbcac7/gh/d626/rusty-brew'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfb41beb451ed68b7a5cb94a53f10d2bda7044df
[INFO] sha for GitHub repo d626/rusty-brew: dfb41beb451ed68b7a5cb94a53f10d2bda7044df
[INFO] validating manifest of d626/rusty-brew on toolchain master#60960a260f7b5c695fd0717311d72ce62dd4eb43
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: missing Cargo.toml for d626/rusty-brew
[ERROR]