[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)     -> ao-fix-rlp-calltype-backwards-compatible
[INFO] [stderr]  - [deleted]             (none)     -> dp/debug/sync-stalls
[INFO] [stderr]  - [deleted]             (none)     -> na-fix-race-verification-import
[INFO] [stderr]    c3a4fa7d7..4f810dcdd  dp/chore/use-latest-attempt-to-switch-to-upstream -> dp/chore/use-latest-attempt-to-switch-to-upstream
[INFO] [stderr]    1b96f9829..77f755bbe  master        -> master
[INFO] [stderr]  * [new branch]          mp-fix-darwin -> mp-fix-darwin
[INFO] [stderr]    6885be06a..41aee5aa2  stable        -> stable
[INFO] [stderr]  * [new branch]          v2.7.2-stable -> v2.7.2-stable
[INFO] [stderr]  * [new tag]             v2.7.2        -> v2.7.2
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 77f755bbe1b760a2e4db7a0e206889fa57ebfdf9
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+0cbcb17d3306d6e22eafc2c05ce885db97d0189c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.