[INFO] cloning repository https://github.com/vince19972/Blockchain-Rust-Exercise [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vince19972/Blockchain-Rust-Exercise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvince19972%2FBlockchain-Rust-Exercise", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvince19972%2FBlockchain-Rust-Exercise'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 095c91479b41148a1bcfe918a6b7fa170d13f372 [ERROR] this task or one of its parent failed! [ERROR] command failed: exit status: 1 [ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.