[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-fix-rich-receipt
[INFO] [stderr]    1b04f40e2..cf0c89f9f  dp/fix/debug-snapshot-start -> dp/fix/debug-snapshot-start
[INFO] [stderr]    2d2513b35..6960d35ab  master                      -> master
[INFO] [stderr]    311a3c26e..4b295aafa  v2.5.10-stable              -> v2.5.10-stable
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 6960d35abb9f11c27b47226e402ec617bfe585f1
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.