[INFO] updating cached repository https://github.com/habitat-sh/builder
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/habitat-sh/builder
[INFO] [stderr]  * [new branch]        ma/1419/list_channel_latest -> ma/1419/list_channel_latest
[INFO] [stderr]    4d466a60..294dd256  ma/graph_build              -> ma/graph_build
[INFO] [stderr]  * [new branch]        ma/list_channel_latest_1419 -> ma/list_channel_latest_1419
[INFO] [stderr]    65028dda..049a18bd  master                      -> master
[INFO] [stderr]  * [new branch]        sm/update-protobuf-compile  -> sm/update-protobuf-compile
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 049a18bd2d6694fc4ea9344805e9010d1f9edb79
[ERROR] this task or one of its parent failed!
[ERROR] overridden task result to broken:cargo-toml
[ERROR] caused by: invalid Cargo.toml syntax
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.