[INFO] updating cached repository https://github.com/paritytech/parity-ethereum
[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/paritytech/parity-ethereum
[INFO] [stderr]  - [deleted]             (none)     -> na-ci-benches-all-features
[INFO] [stderr]    ea5fc90fb..4eb091ad7  HandleImportOfForks2     -> HandleImportOfForks2
[INFO] [stderr]  * [new branch]          dp/chore/add-benchmarks-for-transaction-application -> dp/chore/add-benchmarks-for-transaction-application
[INFO] [stderr]  * [new branch]          dp/chore/tracing-cleanup -> dp/chore/tracing-cleanup
[INFO] [stderr]    ff78f4318..bbcd09490  master                   -> master
[INFO] [stderr]  * [new branch]          na-cleanups              -> na-cleanups
[INFO] [stderr]  + af1057cab...d97c75003 na-ethcore-blockerror    -> na-ethcore-blockerror  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] bbcd094906188d765a6999fe7604d0370df9c893
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+212aa3ea28d91a97d1e1261709c0b6e6790788e6" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.