[INFO] updating cached repository https://github.com/prisma/prisma-engine
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] [stderr] From https://github.com/prisma/prisma-engine
[INFO] [stderr]  * [new branch]        Matthias-Introspection-Connector -> Matthias-Introspection-Connector
[INFO] [stderr]  * [new branch]        add-new-connector-interface -> add-new-connector-interface
[INFO] [stderr]  + 7594e71e...a88acbf9 db_creation_helpers         -> db_creation_helpers  (forced update)
[INFO] [stderr]    92d8a9cd..f984d2c9  master                      -> master
[INFO] [stderr]    f690cb59..c5740aa6  refactor                    -> refactor
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f984d2c958c73ecfc500dd44b7ed2e1081cc8588
[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]