[INFO] updating cached repository https://github.com/paritytech/parity-ethereum
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/mnt/big/crater/work/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)     -> EIP-1898
[INFO] [stderr]  - [deleted]             (none)     -> EnableSealingWhenEngineIsReady
[INFO] [stderr]  - [deleted]             (none)     -> dp/chore/add-benchmarks-to-verification
[INFO] [stderr]  - [deleted]             (none)     -> dp/chore/extract-snapshot-with-traits-in-the-right-place
[INFO] [stderr]  - [deleted]             (none)     -> dp/feature/eip-152-add-blake2-precompile
[INFO] [stderr]  - [deleted]             (none)     -> manual_publish_jobs
[INFO] [stderr]  - [deleted]             (none)     -> na-cleanup-json-crate
[INFO] [stderr]  - [deleted]             (none)     -> ng-tx-queue-fix
[INFO] [stderr]  - [deleted]             (none)     -> push-onchain-https
[INFO] [stderr]  - [deleted]             (none)     -> rpc/clippy
[INFO] [stderr]  * [new branch]          EIP-152             -> EIP-152
[INFO] [stderr]    25936ae0f..da8c4df8c  beta                -> beta
[INFO] [stderr]  * [new branch]          dp/chore/new-ethereum-consensus-tests -> dp/chore/new-ethereum-consensus-tests
[INFO] [stderr]  * [new branch]          dp/chore/switch-from-forked-secp251k1 -> dp/chore/switch-from-forked-secp251k1
[INFO] [stderr]  * [new branch]          jm-update-headers   -> jm-update-headers
[INFO] [stderr]    80f0e4b58..0659cb859  master              -> master
[INFO] [stderr]  * [new branch]          na-builtin-refactor -> na-builtin-refactor
[INFO] [stderr]  * [new branch]          ng-analyse-chain    -> ng-analyse-chain
[INFO] [stderr]    6bd7db96f..7c7b181ca  stable              -> stable
[INFO] [stderr]  * [new branch]          v2.5.8-stable       -> v2.5.8-stable
[INFO] [stderr]  * [new tag]             v2.5.8              -> v2.5.8
[INFO] [stderr]  * [new tag]             v2.6.3              -> v2.6.3
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 0659cb8592abc049969cb133bfbefe5f901854e7
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/cargo-home/bin/cargo" "+c9edc02e8320a9e5799d185910ece7d491f524e6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed