[INFO] updating cached repository https://github.com/tikv/tikv
[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/tikv/tikv
[INFO] [stderr]  - [deleted]             (none)     -> gcm
[INFO] [stderr]    670dbb0e6..f5ee17b31  master      -> master
[INFO] [stderr]    832fa7878..588ae37d9  release-3.0 -> release-3.0
[INFO] [stderr]    6b558b5ca..fca958830  release-3.1 -> release-3.1
[INFO] [stderr]    ab3211c96..40372af68  release-4.0 -> release-4.0
[INFO] [stderr]  * [new tag]             v3.1.0      -> v3.1.0
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f5ee17b3101a24aafb897a76fbf3524fb19ccc58
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+ba72b15666b2491415aec703a02c2364fe5e2790" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.