[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]  - [deleted]           (none)     -> migrations-warn-on-drop-table-with-record
[INFO] [stderr]  * [new branch]        bench              -> bench
[INFO] [stderr]    36ada9b6..941c2832  core_redesign_v2   -> core_redesign_v2
[INFO] [stderr]  * [new branch]        fetch-db-name-test -> fetch-db-name-test
[INFO] [stderr]  + 02139c88...037205a7 fix-schema-describer-on-mysql-8 -> fix-schema-describer-on-mysql-8  (forced update)
[INFO] [stderr]    616d68ea..e6252e19  master             -> master
[INFO] [stderr]  * [new branch]        unique-indexes-on-multiple-columns -> unique-indexes-on-multiple-columns
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e6252e191ad5d27c336ddb446a3d0ba862db7e05
[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]