[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]    5921b4b2..4e2fe654  delta_scanner      -> delta_scanner
[INFO] [stderr]    2f733c34..6621cb00  destroy_snap_panic -> destroy_snap_panic
[INFO] [stderr]    e7fa36e9..b147b38e  master             -> master
[INFO] [stderr]    149fea74..feaec3fb  release-2.1        -> release-2.1
[INFO] [stderr]    ac6f0264..b7920b08  release-3.0        -> release-3.0
[INFO] [stderr]    dfdbd987..75eb28ff  release-3.1        -> release-3.1
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b147b38eeaae4129e7e3eb7c06e270b8e0682697
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+1a608893c03d7722effeb0058e82770bd36b4b3c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.