[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]    c828a0c3d..c95f6ce36  cdc-docker  -> cdc-docker
[INFO] [stderr]  * [new branch]          gcm         -> gcm
[INFO] [stderr]    a79d90836..3a547b9ab  master      -> master
[INFO] [stderr]    4bed61431..832fa7878  release-3.0 -> release-3.0
[INFO] [stderr]    9b3c958ee..6b558b5ca  release-3.1 -> release-3.1
[INFO] [stderr]    f6e0bb5b2..177783696  release-4.0 -> release-4.0
[INFO] [stderr]  * [new tag]             v4.0.0-rc   -> v4.0.0-rc
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3a547b9aba1df43d72f59703baad15a8ca610ee1
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+3ae4c050387df9f7fbb379ee90ce8bf05e566870" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.