[INFO] updating cached repository https://github.com/paritytech/parity-ethereum
[INFO] running `Command { std: "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", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/paritytech/parity-ethereum
[INFO] [stderr]  - [deleted]             (none)     -> ao-test-whether-ci-permissions-are-fixed
[INFO] [stderr]  * [new branch]          2.5                         -> 2.5
[INFO] [stderr]  * [new branch]          adria0/2513-backport        -> adria0/2513-backport
[INFO] [stderr]    5eb62bef5..029d1f4ce  adria0/test-spec            -> adria0/test-spec
[INFO] [stderr]    203200e8e..006303b0a  master                      -> master
[INFO] [stderr]  * [new branch]          rakita/11758_use_std_rwlock -> rakita/11758_use_std_rwlock
[INFO] [stderr]  + af5d37598...5cd4424aa rakita/shrink_to_fit        -> rakita/shrink_to_fit  (forced update)
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 006303b0a26c5a7d6f78caf94305b29f9c1f3bc2
[ERROR] this task or one of its parent failed!
[ERROR] command `Command { std: "/workspace/cargo-home/bin/cargo" "+1557fb031b272b4c5bfcc7de5df7eddc7b36a584" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.