[INFO] updating cached repository https://github.com/mimblewimble/grin
[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/mimblewimble/grin
[INFO] [stderr]  * [new branch]        dyn-tx-pool -> dyn-tx-pool
[INFO] [stderr]    cf128eb2..be4779c9  master      -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] be4779c92343599ff336f568e99f4f5358efeb1f
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.