[INFO] updating cached repository https://github.com/ut-utp/prototype
[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/ut-utp/prototype
[INFO] [stderr]  - [deleted]         (none)     -> broken-new-timers
[INFO] [stderr]  - [deleted]         (none)     -> dependabot/cargo/proc-macro2-1.0.13
[INFO] [stderr]  - [deleted]         (none)     -> dependabot/cargo/quote-1.0.6
[INFO] [stderr]  - [deleted]         (none)     -> dependabot/cargo/syn-1.0.22
[INFO] [stderr]  - [deleted]         (none)     -> dependabot/cargo/time-0.2.16
[INFO] [stderr]  - [deleted]         (none)     -> feat-instruction-sim
[INFO] [stderr]    d6fe45b..4816ece  master      -> master
[INFO] [stderr]  * [new branch]      shims-todos -> shims-todos
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 4816ece0f2d47e54d989c7a5bc4da9c9f5415f74
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+8a749131e7beb72f6edacefd2bdcbed3d67b2112" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.