[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)     -> RemoveClientFromSecretStore
[INFO] [stderr]  - [deleted]             (none)     -> dm-no-bindings
[INFO] [stderr]  - [deleted]             (none)     -> na-fix-remove-static-bound-util-migrations-traits
[INFO] [stderr]  - [deleted]             (none)     -> sp-aztlan-fix
[INFO] [stderr]    ba1b879e9..9bf6ed845  beta                       -> beta
[INFO] [stderr]  * [new branch]          beta-update-version-string -> beta-update-version-string
[INFO] [stderr]    b9f9d1192..a9214081c  master                     -> master
[INFO] [stderr]  * [new branch]          na-fix-race-client-build-last-hashes -> na-fix-race-client-build-last-hashes
[INFO] [stderr]  * [new branch]          na-fix-race-verification-import -> na-fix-race-verification-import
[INFO] [stderr]    29ebddc64..253ff3f37  stable                     -> stable
[INFO] [stderr]  * [new branch]          stable-track               -> stable-track
[INFO] [stderr]  * [new branch]          v2.6.8-beta                -> v2.6.8-beta
[INFO] [stderr]  * [new branch]          v2.7.0-stable              -> v2.7.0-stable
[INFO] [stderr]  * [new tag]             v2.5.13                    -> v2.5.13
[INFO] [stderr]  * [new tag]             v2.6.8                     -> v2.6.8
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a9214081c0aca86720e61ac3a132d711a28d075f
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.