[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)     -> dp/fix/maximumEmptySteps-11445
[INFO] [stderr]  * [new branch]          ao-debug-windows-crash     -> ao-debug-windows-crash
[INFO] [stderr]    452aeec0b..ff78f4318  master                     -> master
[INFO] [stderr]  * [new branch]          na-ci-benches-all-features -> na-ci-benches-all-features
[INFO] [stderr]  + 9cd82c165...af1057cab na-ethcore-blockerror      -> na-ethcore-blockerror  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ff78f4318ab2c51063622ef32cd15f9ce62d95d3
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+be493fe8cc40c3d3f6030a1313c1ff747fce770d" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.