[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)     -> collation-in-string
[INFO] [stderr]  - [deleted]           (none)     -> pessimistic-lock
[INFO] [stderr]    48bd7e06..ff8da7f4  3.0.5.hotfix -> 3.0.5.hotfix
[INFO] [stderr]    6ae5d3c7..006ad732  4.0-perf     -> 4.0-perf
[INFO] [stderr]    3d6ebd48..c8a716fb  master       -> master
[INFO] [stderr]    b3d990c2..a07aedbf  release-3.0  -> release-3.0
[INFO] [stderr]    3aaa5494..d62ddba1  release-3.1  -> release-3.1
[INFO] [stderr]    c3ea751b..9e3b7402  release-4.0  -> release-4.0
[INFO] [stderr]  * [new tag]           v3.0.11       -> v3.0.11
[INFO] [stderr]  * [new tag]           v3.0.12       -> v3.0.12
[INFO] [stderr]  * [new tag]           v3.1.0-beta.2 -> v3.1.0-beta.2
[INFO] [stderr]  * [new tag]           v4.0.0-beta.2 -> v4.0.0-beta.2
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] c8a716fbc3b9b6ec1571f5e473e99df924af687e
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+d939f708d960161d23b964309ba68ff207fc0ead" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.