[INFO] updating cached repository boustrophedon/box_specs_test
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/boustrophedon/box_specs_test
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/boustrophedon/box_specs_test" "work/ex/beta-1.37-6/sources/1.36.0/gh/boustrophedon/box_specs_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/boustrophedon/box_specs_test'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/boustrophedon/box_specs_test" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/boustrophedon/box_specs_test"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/boustrophedon/box_specs_test'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 06b744ce23cfd4e027e75bf8598ebb7f97ebfaa0
[INFO] sha for GitHub repo boustrophedon/box_specs_test: 06b744ce23cfd4e027e75bf8598ebb7f97ebfaa0
[INFO] validating manifest of boustrophedon/box_specs_test 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 boustrophedon/box_specs_test'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]