[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)     -> v2.5.9-stable
[INFO] [stderr]  - [deleted]             (none)     -> v2.6.4-beta
[INFO] [stderr]    b7b1484f2..badb04502  beta                -> beta
[INFO] [stderr]  * [new branch]          dp/chore/eip712-bump-version -> dp/chore/eip712-bump-version
[INFO] [stderr]    d9201aa6f..1b1b44bb2  master              -> master
[INFO] [stderr]  + 6d3fce599...08284566b na-builtin-refactor -> na-builtin-refactor  (forced update)
[INFO] [stderr]    42b3589e2..58ebf63af  seun-simd-eip-152   -> seun-simd-eip-152
[INFO] [stderr]    c52a6c8fb..06c709605  stable              -> stable
[INFO] [stderr]  * [new tag]             v2.5.9              -> v2.5.9
[INFO] [stderr]  * [new tag]             v2.6.4              -> v2.6.4
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 1b1b44bb20baff39a55aa937ce11d7feb42363e3
[ERROR] this task or one of its parent failed!
[ERROR] command `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.