[INFO] updating cached repository https://github.com/mozilla-services/syncstorage-rs
[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/mozilla-services/syncstorage-rs
[INFO] [stderr]  - [deleted]             (none)     -> tools
[INFO] [stderr]    f6a83c0a4..31f88e6b6  feat/222   -> feat/222
[INFO] [stderr]    8b3bb4e81..8babf0097  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8babf0097f03fb0a98a76bfcbc2a78c756999ba3
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+446e5e57b667c841ba3ebb4b41b44fb98bd3af4b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.