[INFO] updating cached repository https://github.com/plugblockchain/plug
[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/plugblockchain/plug
[INFO] [stderr]  - [deleted]           (none)     -> feature/upgrade-substrate
[INFO] [stderr]  * [new branch]        1.0.0-rc1             -> 1.0.0-rc1
[INFO] [stderr]    e57ff013..3d533cf3  develop               -> develop
[INFO] [stderr]  * [new branch]        update/merge-upstream -> update/merge-upstream
[INFO] [stderr]  * [new tag]           1.0.0-rc1             -> 1.0.0-rc1
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dfe6779dcab59a6b52d61bbe53fdf414f3fc887d
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.