[INFO] cloning repository amryamanah/workspace-tutor
[INFO] running `"git" "clone" "--bare" "git://github.com/amryamanah/workspace-tutor.git" "work/cache/sources/gh/amryamanah/workspace-tutor"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/amryamanah/workspace-tutor'...
[INFO] running `"git" "clone" "work/cache/sources/gh/amryamanah/workspace-tutor" "work/ex/beta-1.37-6/sources/1.36.0/gh/amryamanah/workspace-tutor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/amryamanah/workspace-tutor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/amryamanah/workspace-tutor" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/amryamanah/workspace-tutor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/amryamanah/workspace-tutor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a113af6a664c55d6cbdc479ef6cdf3eaedb1688f
[INFO] sha for GitHub repo amryamanah/workspace-tutor: a113af6a664c55d6cbdc479ef6cdf3eaedb1688f
[INFO] validating manifest of amryamanah/workspace-tutor 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 amryamanah/workspace-tutor'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]