[INFO] updating cached repository https://github.com/williamofockham/nb2
[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/williamofockham/nb2
[INFO] [stderr]  * [new branch]      djin/fix-groupby_fanout -> djin/fix-groupby_fanout
[INFO] [stderr]  + 4ee24a1...ca1cbbb djin/ndp-redux          -> djin/ndp-redux  (forced update)
[INFO] [stderr]    355c664..d17746c  master                  -> master
[INFO] [stderr]  * [new branch]      zl/be-types             -> zl/be-types
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d17746c091cf039fac6b249898030b0e118c4517
[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.