[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)     -> tpcc-perf
[INFO] [stderr]  + 2c2820f5...6ae5d3c7 4.0-perf                 -> 4.0-perf  (forced update)
[INFO] [stderr]  * [new branch]        index-encoding-collation -> index-encoding-collation
[INFO] [stderr]    2db4974f..9b04ce20  master                   -> master
[INFO] [stderr]    99540e17..defc7482  release-4.0              -> release-4.0
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 9b04ce209f9414d7400eea4cfe8b649e07b77639
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+e6563ac70cbfd3196492061900e9e9793e065e4d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.