[INFO] updating cached repository zeratul2099/mercury
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/zeratul2099/mercury
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/zeratul2099/mercury" "work/ex/beta-1.37-6/sources/1.36.0/gh/zeratul2099/mercury"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/zeratul2099/mercury'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/zeratul2099/mercury" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zeratul2099/mercury"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/zeratul2099/mercury'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9f66f12f388a7ed0dcd56cc1d9394fbf9d2f50da
[INFO] sha for GitHub repo zeratul2099/mercury: 9f66f12f388a7ed0dcd56cc1d9394fbf9d2f50da
[INFO] validating manifest of zeratul2099/mercury on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: invalid syntax in zeratul2099/mercury's Cargo.toml
[ERROR] caused by: command `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` failed
[ERROR]