[INFO] updating cached repository https://github.com/dgreid/crosvm
[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/dgreid/crosvm
[INFO] [stderr]    54305cd..8c1b754  master           -> master
[INFO] [stderr]  * [new branch]      topic/async_base -> topic/async_base
[INFO] [stderr]  + 5fd87a3...f6c89e6 topic/futures_ex -> topic/futures_ex  (forced update)
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8c1b75412373d16661ebf705730ff7ff5c78d864
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+e60d9e09c55855f5a848fde8ad83e13131a5b241" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.