[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]  * [new branch]          feat/261    -> feat/261
[INFO] [stderr]    8babf0097..a2c806cb2  master      -> master
[INFO] [stderr]    4f52022be..0d31160cf  release/0.1 -> release/0.1
[INFO] [stderr]  * [new branch]          tools       -> tools
[INFO] [stderr]  * [new tag]             0.1.5       -> 0.1.5
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] a2c806cb29077239bf50d302d79cb90edc9e37d1
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.