[INFO] updating cached repository https://github.com/paritytech/polkadot
[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/polkadot
[INFO] [stderr]  * [new branch]        gav-polkadot-identity -> gav-polkadot-identity
[INFO] [stderr]    91868d64..42f391c3  master                -> master
[INFO] [stderr]  + f08a035b...a300f0db release               -> release  (forced update)
[INFO] [stderr]  * [new branch]        rh-guide-edits        -> rh-guide-edits
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 42f391c36e6d37dd7374486a2218b03be4bd2c43
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+1a399c10897767c36d147199696c96f193034e49" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.