[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]    4152d9fc..5e1fe44b  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e1fe44bedee3a48e3d0573a8ce5e4fd8f4e97c1
[ERROR] this task or one of its parent failed!
[ERROR] command `"/workspace/cargo-home/bin/cargo" "+73f76b74efcaf21bd5424d87c66cd6ed7fe5c7de" "fetch" "--locked" "--manifest-path" "Cargo.toml"` failed
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.