[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]    528b0e50..256d4e27  gr_am       -> gr_am
[INFO] [stderr]    18a4fe02..d89c0ff8  master      -> master
[INFO] [stderr]    b8b9327f..dd1fed53  release-3.1 -> release-3.1
[INFO] [stderr]    6153b195..bbb744a3  release-4.0 -> release-4.0
[INFO] [stderr]  * [new tag]           v4.0.0-beta -> v4.0.0-beta
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d89c0ff8f16224d23aad142375543313c632b6c4
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.