[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]  - [deleted]           (none)     -> SA/api-nodes
[INFO] [stderr]  - [deleted]           (none)     -> SA/fix-originsrv-config
[INFO] [stderr]  - [deleted]           (none)     -> SA/fix-terraform-butterfly
[INFO] [stderr]  - [deleted]           (none)     -> cdn/more-side-scrolling-fun
[INFO] [stderr]  - [deleted]           (none)     -> cdn/retry-logs
[INFO] [stderr]  - [deleted]           (none)     -> cm/builder-worker-pipeline
[INFO] [stderr]  - [deleted]           (none)     -> cm/ignore-local-artifacts-in-worker
[INFO] [stderr]  - [deleted]           (none)     -> debug-builder-db-tests
[INFO] [stderr]  - [deleted]           (none)     -> eeyun/settings_view
[INFO] [stderr]  - [deleted]           (none)     -> readme-fix-links
[INFO] [stderr]  * [new branch]        dmcneil/update-rust -> dmcneil/update-rust
[INFO] [stderr]  + 3fbcac2f...4a74549b jamie/1178-package-tab-revamp -> jamie/1178-package-tab-revamp  (forced update)
[INFO] [stderr]    424d338e..6d577d5a  master              -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6d577d5afee39202c7546f815f69c122681e7e5b
[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.