[INFO] updating cached repository https://github.com/xi-editor/druid
[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/xi-editor/druid
[INFO] [stderr]  * [new branch]      data-derive-ignore-field -> data-derive-ignore-field
[INFO] [stderr]    05f8744..b52fbf4  master                   -> master
[INFO] [stderr]  * [new branch]      transform-ctx            -> transform-ctx
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b52fbf4c82aebd5d11368fb5b33dbacfe67f4584
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.